Data as of Nov 3, 2026
131.60.0.0/16
No anonymizer space · no proxy exits in 30 daysUnited States Department of Defense (DoD)
Announcements
Nesting
More-specifics by size
Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 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 |
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 131.60.0.0/16 | 65,536 | GRIFFISS2-NET | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Jul 16, 1997 | [email protected] |
| └ 131.60.0.0/16 | 65,536 | GRIFFISS2-NET | Air Force Systems Networking (7ESG) · US | Reallocated | Aug 18, 2025 | [email protected] |
Network & registry
Announced by
Covering announcement 131.32.0.0/11
- Prefix
- 131.32.0.0/11
- Announced by
- AS721 United States Department of Defense (DoD)
- Type
- Business
- RPKI
- No RPKI
- RIR
- ARIN
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 131.32.0.0/11
131.32.0.0/11
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