Data as of Nov 10, 2026
131.32.0.0/11
No anonymizer spaceUnited States Department of Defense (DoD)
Announcements
Nesting
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Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 131.32.0.0/16 since Aug 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.33.120.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.34.0.0/16 since Jan 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.34.250.0/24 since May 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.35.0.0/16 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.36.0.0/16 since Aug 2016 | AS409 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.36.116.0/24 since Mar 2017 | AS409 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.37.0.0/16 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.37.208.0/24 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.38.0.0/16 since Sep 2016 | AS399 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.38.120.0/24 since Sep 2016 | AS399 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.39.0.0/16 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.39.248.0/24 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.40.0.0/16 since Jul 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.9.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.10.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.11.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.14.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.15.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.16.0/21 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.28.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.30.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.31.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.32.0/21 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.40.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.41.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.42.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.46.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.47.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.48.0/21 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.56.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.57.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.58.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.62.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.63.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.64.0/21 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.72.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.73.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.74.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.78.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.79.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.80.0/21 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.88.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.89.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.90.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.110.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.111.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.112.0/21 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.120.0/22 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.122.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.124.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.126.0/23 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.128.0/21 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.136.0/23 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.138.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.142.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.143.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.144.0/21 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.152.0/22 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.158.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.159.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.160.0/21 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.168.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.169.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.170.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.190.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.191.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.192.0/21 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.200.0/22 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.206.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.207.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.208.0/21 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.216.0/22 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.222.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.223.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.224.0/21 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.232.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.233.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.234.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.238.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.239.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.240.0/21 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.43.248.0/22 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.44.0.0/16 since Aug 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.44.4.0/24 since Aug 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.44.32.0/21 since Aug 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.44.64.0/22 since Aug 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.44.120.0/24 since Aug 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.44.121.0/24 since Aug 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.44.247.0/24 since Aug 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.44.248.0/24 since Aug 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.44.249.0/24 since Aug 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.44.251.0/24 since Aug 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.44.255.0/24 since Aug 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.45.0.0/16 since Jan 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.46.0.0/16 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.46.120.0/24 since Jan 2026 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.47.0.0/16 since Jun 2024 | AS409 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.47.100.0/24 since Jun 2024 | AS409 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.47.106.0/24 since Jun 2024 | AS409 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.48.0.0/16 since Nov 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.48.120.0/24 since Nov 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.49.0.0/16 since Sep 2016 | AS399 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.50.0.0/16 since Jun 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.50.120.0/24 since Jun 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.51.0.0/16 since Nov 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.51.120.0/24 since Nov 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.52.0.0/16 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.52.120.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.53.0.0/16 since Jun 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.53.120.0/24 since Jun 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.53.151.0/24 since Sep 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.55.0.0/16 since Jul 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.55.121.0/24 since Jul 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.56.0.0/16 since Nov 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.56.120.0/24 since Nov 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.58.0.0/16 since Nov 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.58.120.0/24 since Nov 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.59.0.0/16 since Aug 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.59.16.0/21 since Aug 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.59.120.0/24 since Aug 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.59.203.0/24 since Aug 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.59.204.0/24 since Aug 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.59.205.0/24 since Aug 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.59.206.0/24 since Aug 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.10.0/24 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.11.0/24 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.14.0/24 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.15.0/24 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.16.0/21 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.24.0/22 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.30.0/24 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.31.0/24 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.32.0/21 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.40.0/24 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.41.0/24 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.42.0/24 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.46.0/23 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.48.0/21 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.56.0/24 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.62.0/23 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.64.0/21 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.72.0/22 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.76.0/24 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.77.0/24 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.78.0/23 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.80.0/21 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.88.0/24 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.110.0/23 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.112.0/21 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.120.0/23 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.122.0/24 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.124.0/23 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.126.0/23 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.128.0/21 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.136.0/23 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.142.0/24 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.143.0/24 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.144.0/21 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.152.0/23 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.154.0/24 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.155.0/24 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.158.0/23 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.160.0/21 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.174.0/23 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.176.0/21 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.184.0/23 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.186.0/24 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.190.0/24 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.191.0/24 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.192.0/21 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.200.0/23 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.202.0/23 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.206.0/23 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.206.0/24 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.208.0/21 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.216.0/22 since Mar 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.220.0/24 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.60.240.0/21 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.61.0.0/16 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.61.211.0/24 since Jul 2024 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.8.0/24 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.9.0/24 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.10.0/24 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.11.0/24 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.13.0/24 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.14.0/24 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.15.0/24 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.16.0/21 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.24.0/23 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.28.0/24 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.30.0/24 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.31.0/24 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.32.0/21 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.40.0/23 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.42.0/24 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.46.0/23 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.48.0/21 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.56.0/22 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.62.0/24 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.63.0/24 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.64.0/21 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.72.0/22 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.78.0/24 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.79.0/24 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.80.0/21 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.88.0/22 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.94.0/24 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.95.0/24 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.96.0/21 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.104.0/24 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.105.0/24 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.106.0/24 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.110.0/23 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.112.0/21 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.120.0/24 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.126.0/24 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.127.0/24 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.128.0/21 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.136.0/22 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.138.0/24 since Oct 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.140.0/24 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.142.0/23 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.144.0/21 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.152.0/22 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.158.0/24 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.159.0/24 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.160.0/21 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.168.0/24 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.169.0/24 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.170.0/24 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.174.0/24 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.175.0/24 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.176.0/21 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.184.0/22 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.190.0/24 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.191.0/24 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.192.0/21 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.200.0/24 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.201.0/24 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.202.0/24 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.203.0/24 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.206.0/24 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.207.0/24 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.208.0/21 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.216.0/24 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.217.0/24 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.218.0/24 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 131.62.236.0/22 since Sep 2025 | AS56 | Business | United States Department of Defense (DoD) via Air Force Systems Networking |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 131.32.0.0/16 | 65,536 | LACKLAND-NET | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Dec 20, 1988 | disa. |
| └ 131.32.0.0/16 | 65,536 | NET-131-32-0-0-1 | Air Force Systems Networking (7ESG) · US | Reallocated | Aug 18, 2025 | disa. |
| 131.33.0.0/16 | 65,536 | EDWARDS-NET | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Jan 10, 1989 | disa. |
| └ 131.33.0.0/16 | 65,536 | EDWARDS-NET | Air Force Systems Networking (7ESG) · US | Reallocated | Aug 18, 2025 | disa. |
| 131.34.0.0/16 | 65,536 | MARCH1-NET | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Dec 26, 1995 | disa. |
| └ 131.34.0.0/16 | 65,536 | MARCH1-NET | Air Force Systems Networking (7ESG) · US | Reallocated | Aug 18, 2025 | disa. |
| 131.35.0.0/16 | 65,536 | FAIRCHILD-NET | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Jan 10, 1989 | disa. |
| └ 131.35.0.0/16 | 65,536 | FAIRCHILD-NET | Air Force Systems Networking (7ESG) · US | Reallocated | Aug 18, 2025 | disa. |
| 131.36.0.0/16 | 65,536 | YOKOTA-NET | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Jan 10, 1989 | disa. |
| └ 131.36.0.0/16 | 65,536 | YOKOTA-NET | Air Force Systems Networking (7ESG) · US | Reallocated | Aug 18, 2025 | disa. |
| 131.37.0.0/16 | 65,536 | TOPCOVER | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Feb 9, 1989 | disa. |
| └ 131.37.0.0/16 | 65,536 | TOPCOVER | Air Force Systems Networking (7ESG) · US | Reallocated | Aug 18, 2025 | disa. |
| 131.38.0.0/16 | 65,536 | HICKAM1-NET | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Mar 28, 1989 | disa. |
| └ 131.38.0.0/16 | 65,536 | HICKAM1-NET | Air Force Systems Networking (7ESG) · US | Reallocated | Aug 18, 2025 | disa. |
| 131.39.0.0/16 | 65,536 | EIELSON | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Jul 18, 1989 | disa. |
| └ 131.39.0.0/16 | 65,536 | EIELSON | Air Force Systems Networking (7ESG) · US | Reallocated | Aug 18, 2025 | disa. |
| 131.40.0.0/16 | 65,536 | BUCKNET | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Jan 10, 1989 | disa. |
| └ 131.40.0.0/16 | 65,536 | BUCKNET | Air Force Systems Networking (7ESG) · US | Reallocated | Aug 18, 2025 | disa. |
| 131.41.0.0/16 | 65,536 | DNIC-SNET-131-041 | unknown | — | — | — |
| └ 131.41.0.0/16 | 65,536 | DNIC-SNET-131-041 | DoD Network Information Center (DNIC) · US | Allocation | Aug 27, 2025 | disa. |
| 131.42.0.0/16 | 65,536 | HANSCOM1-NET | unknown | — | — | — |
| └ 131.42.0.0/16 | 65,536 | HANSCOM1-NET | Air Force Systems Networking (7ESG) · US | Allocation | Aug 18, 2025 | disa. |
| 131.43.0.0/16 | 65,536 | AFCONC-NET3 | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Jan 10, 1989 | disa. |
| └ 131.43.0.0/16 | 65,536 | AFCONC-NET3 | Air Force Systems Networking (7ESG) · US | Reallocated | Aug 18, 2025 | disa. |
| 131.44.0.0/16 | 65,536 | RANDOLPH1-NET | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Mar 28, 1989 | disa. |
| └ 131.44.0.0/16 | 65,536 | RANDOLPH1-NET | Air Force Systems Networking (7ESG) · US | Reallocated | Aug 18, 2025 | disa. |
| 131.45.0.0/16 | 65,536 | ROBINS1-NET | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Mar 28, 1989 | disa. |
| └ 131.45.0.0/16 | 65,536 | ROBINS1-NET | Air Force Systems Networking (7ESG) · US | Reallocated | Aug 18, 2025 | disa. |
| 131.46.0.0/16 | 65,536 | SHAW-NET | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Dec 26, 1995 | disa. |
| └ 131.46.0.0/16 | 65,536 | SHAW-NET | Air Force Systems Networking (7ESG) · US | Reallocated | Aug 18, 2025 | disa. |
| 131.47.0.0/16 | 65,536 | ANDERSEN-NET | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Mar 28, 1989 | disa. |
| └ 131.47.0.0/16 | 65,536 | ANDERSEN-NET | Air Force Systems Networking (7ESG) · US | Reallocated | Aug 18, 2025 | disa. |
| 131.48.0.0/16 | 65,536 | AVIANO1-NET | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Mar 21, 1989 | disa. |
| └ 131.48.0.0/16 | 65,536 | AVIANO1-NET | Air Force Systems Networking (7ESG) · US | Reallocated | Aug 18, 2025 | disa. |
| 131.49.0.0/16 | 65,536 | HICKAM2-NET | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Jul 10, 1995 | disa. |
| └ 131.49.0.0/16 | 65,536 | HICKAM2-NET | Air Force Systems Networking (7ESG) · US | Reallocated | Aug 18, 2025 | disa. |
| 131.50.0.0/16 | 65,536 | DAVISMONTHAN-NET | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Mar 28, 1989 | disa. |
| └ 131.50.0.0/16 | 65,536 | DAVISMONTHAN-NET | Air Force Systems Networking (7ESG) · US | Reallocated | Aug 18, 2025 | disa. |
| 131.51.0.0/16 | 65,536 | LAKENHEATH-NET | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Dec 26, 1995 | disa. |
| └ 131.51.0.0/16 | 65,536 | LAKENHEATH-NET | Air Force Systems Networking (7ESG) · US | Reallocated | Aug 18, 2025 | disa. |
| 131.52.0.0/16 | 65,536 | SSG-20 | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Mar 28, 1989 | disa. |
| └ 131.52.0.0/16 | 65,536 | AF-AETC-LUKE-131-52 | Air Force Systems Networking (7ESG) · US | Reallocated | Aug 18, 2025 | disa. |
| 131.53.0.0/16 | 65,536 | MALMSTROM-NET | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Dec 26, 1995 | disa. |
| └ 131.53.0.0/16 | 65,536 | MALMSTROM-NET | Air Force Systems Networking (7ESG) · US | Reallocated | Aug 18, 2025 | disa. |
| 131.54.0.0/16 | 65,536 | SEMBACH1-NETS | unknown | — | — | — |
| └ 131.54.0.0/16 | 65,536 | SEMBACH1-NETS | Air Force Systems Networking (7ESG) · US | Allocation | Aug 18, 2025 | disa. |
| 131.55.0.0/16 | 65,536 | TYNDALL1 | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Oct 13, 1989 | disa. |
| └ 131.55.0.0/16 | 65,536 | AF-ACC-TYNDALL-131-55 | Air Force Systems Networking (7ESG) · US | Reallocated | Aug 18, 2025 | disa. |
| 131.56.0.0/16 | 65,536 | CROUGHTON-NET | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Oct 13, 1989 | disa. |
| └ 131.56.0.0/16 | 65,536 | CROUGHTON-NET | Air Force Systems Networking (7ESG) · US | Reallocated | Aug 18, 2025 | disa. |
| 131.57.0.0/16 | 65,536 | AF-HNIT-EITAAS-MSOFT-VPN-131-57 | unknown | — | — | — |
| └ 131.57.0.0/16 | 65,536 | AF-HNIT-EITAAS-MSOFT-VPN-131-57 | Air Force Systems Networking (7ESG) · US | Allocation | Aug 18, 2025 | disa. |
| 131.58.0.0/16 | 65,536 | ALCONBURY | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Jul 17, 1989 | disa. |
| └ 131.58.0.0/16 | 65,536 | ALCONBURY | Air Force Systems Networking (7ESG) · US | Reallocated | Aug 18, 2025 | disa. |
| 131.59.0.0/16 | 65,536 | NET-DYESS | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Jul 18, 1989 | disa. |
| └ 131.59.0.0/16 | 65,536 | NET-DYESS | Air Force Systems Networking (7ESG) · US | Reallocated | Aug 18, 2025 | disa. |
| 131.60.0.0/16 | 65,536 | GRIFFISS2-NET | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Jul 16, 1997 | disa. |
| └ 131.60.0.0/16 | 65,536 | GRIFFISS2-NET | Air Force Systems Networking (7ESG) · US | Reallocated | Aug 18, 2025 | disa. |
| 131.61.0.0/16 | 65,536 | MCCONNELL-NET | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Jul 17, 1989 | disa. |
| └ 131.61.0.0/16 | 65,536 | MCCONNELL-NET | Air Force Systems Networking (7ESG) · US | Reallocated | Aug 18, 2025 | disa. |
| 131.62.0.0/16 | 65,536 | ANG-REG1 | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Jul 18, 1989 | disa. |
| └ 131.62.0.0/16 | 65,536 | ANG-REG1 | Air Force Systems Networking (7ESG) · US | Reallocated | Aug 18, 2025 | disa. |
| 131.63.0.0/16 | 65,536 | AFINCC-NET | unknown | — | — | — |
| └ 131.63.0.0/16 | 65,536 | AFINCC-NET | Air Force Systems Networking (7ESG) · US | Allocation | Aug 18, 2025 | disa. |
Network & registry
Registry
Holder
- Organization
- Not stated by the registry
Origin network
AS721
US
- Name
- United States Department of Defense (DoD)
- Type
- Business
- Domain
- mail.mil
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Dec 2010 · 16 yr
- Origin networks
- 2
- Last change of origin
- Dec 2010
Recorded history
History
- Handoffs
- 2
Whois
Registration for this announcement
131.32.0.0/11 spans several registrations: 64 records are listed under Registrations.
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 20, 1988
- Status
- assigned