Data as of Nov 3, 2026
131.76.0.0/14
No anonymizer spaceUnited States Department of Defense (DoD)
Announcements
Nesting
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Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 131.76.2.0/24 since Sep 2016 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.76.7.0/24 since Jan 2017 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.76.22.0/24 since Jun 2022 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.76.30.0/24 since Oct 2018 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.76.39.0/24 since Aug 2016 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.76.41.0/24 since Aug 2016 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.76.43.0/24 since Aug 2016 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.76.51.0/24 since Sep 2014 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.76.52.0/24 since Sep 2014 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.76.55.0/24 since Dec 2011 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.76.56.0/24 since Dec 2011 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.76.65.0/24 since Sep 2021 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.76.68.0/23 since Sep 2016 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.76.71.0/24 since Sep 2016 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.76.80.0/23 since Sep 2016 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.76.93.0/24 since Sep 2025 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.76.94.0/23 since Apr 2022 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.76.96.0/23 since Apr 2022 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.76.98.0/23 since Aug 2025 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.76.102.0/23 since Aug 2025 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.76.106.0/24 since Sep 2025 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.76.129.0/24 since Sep 2016 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.76.132.0/24 since Mar 2025 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.76.135.0/24 since Jul 2021 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.76.140.0/23 since Mar 2025 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.76.142.0/23 since Mar 2025 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.76.171.0/24 since Mar 2017 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.76.172.0/24 since Feb 2017 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.76.173.0/24 since Feb 2017 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.76.174.0/23 since Apr 2019 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.76.176.0/21 since Apr 2019 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.76.184.0/21 since Apr 2019 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.76.192.0/23 since Apr 2019 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.76.194.0/23 since Apr 2019 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.76.200.0/22 since Nov 2023 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.76.204.0/22 since Nov 2023 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.76.216.0/23 since May 2026 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.76.218.0/23 since May 2026 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.76.224.0/20 since May 2026 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.76.240.0/20 since May 2026 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.77.0.0/16 since Aug 2016 | AS5974 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.77.104.0/24 since Apr 2024 | AS5974 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.77.247.0/24 since May 2026 | AS155 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.78.0.0/24 since Oct 2022 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.78.3.0/24 since Dec 2018 | AS721 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.78.83.0/24 since Nov 2023 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.78.132.0/24 since Sep 2016 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.78.158.0/24 since Sep 2016 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.78.159.0/24 since Aug 2016 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.78.167.0/24 since Feb 2017 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.78.174.0/23 since Nov 2017 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.78.184.0/22 since Jan 2019 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.78.184.0/23 since Jan 2019 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.78.186.0/24 since Jan 2019 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.78.187.0/24 since Jan 2019 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.78.200.0/23 since Jan 2019 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.78.202.0/23 since Jun 2021 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.78.204.0/24 since Dec 2018 | AS721 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.78.212.0/23 since Jan 2019 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.78.214.0/23 since Jun 2021 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.78.240.0/24 since Aug 2021 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.78.243.0/24 since Oct 2020 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.3.0/24 since Feb 2025 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.7.0/24 since Aug 2016 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.11.0/24 since Nov 2015 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.13.0/24 since May 2018 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.14.0/24 since Mar 2023 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.18.0/24 since May 2024 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.19.0/24 since Jul 2018 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.22.0/23 since Sep 2021 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.24.0/23 since Mar 2020 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.32.0/22 since Jul 2022 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.43.0/24 since Apr 2025 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.48.0/23 since Jul 2018 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.50.0/23 since Jul 2018 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.52.0/23 since Jul 2018 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.54.0/23 since Jul 2018 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.56.0/23 since Jul 2018 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.58.0/23 since Jul 2018 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.60.0/23 since Jul 2018 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.62.0/23 since Jul 2018 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.66.0/24 since Jul 2018 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.67.0/24 since Jul 2018 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.69.0/24 since Nov 2021 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.79.0/24 since Jan 2025 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.92.0/24 since Jun 2026 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.105.0/24 since Oct 2018 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.110.0/23 since Jul 2018 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.112.0/23 since Jul 2018 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.116.0/23 since Aug 2016 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.118.0/23 since Dec 2017 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.122.0/23 since Apr 2019 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.124.0/24 since Mar 2014 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.128.0/24 since Jun 2021 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.134.0/23 since Apr 2019 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.140.0/24 since Apr 2019 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.142.0/23 since Apr 2019 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.144.0/22 since Apr 2019 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.148.0/22 since Apr 2019 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.152.0/22 since Apr 2019 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.158.0/24 since Apr 2019 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.160.0/23 since Apr 2019 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.162.0/23 since Apr 2019 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.164.0/23 since Apr 2019 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.168.0/22 since Apr 2019 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.172.0/22 since Apr 2019 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.178.0/24 since Apr 2019 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.192.0/23 since Aug 2016 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.205.0/24 since Sep 2021 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.206.0/24 since Jul 2018 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.207.0/24 since Jul 2018 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.221.0/24 since Jun 2024 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.222.0/23 since Oct 2023 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.224.0/24 since Feb 2012 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.229.0/24 since Jun 2020 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.230.0/23 since Sep 2016 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.233.0/24 since Jun 2018 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.79.240.0/23 since Sep 2016 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center |
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 |
|---|---|---|---|---|---|---|
| 131.76.0.0/16 | 65,536 | DLA-PACIFIC-NET | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Oct 25, 1988 | [email protected] |
| └ 131.76.0.0/16 | 65,536 | DLA-PACIFIC-NET | DoD Network Information Center (DNIC) · US | Reallocated | Aug 28, 2025 | [email protected] |
| 131.77.0.0/16 | 65,536 | DECC-OGDEN | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Oct 25, 1988 | [email protected] |
| └ 131.77.0.0/16 | 65,536 | DECC-OGDEN | DoD Network Information Center (DNIC) · US | Reallocated | Aug 28, 2025 | [email protected] |
| 131.78.0.0/16 | 65,536 | DSDC | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Mar 24, 1989 | [email protected] |
| └ 131.78.0.0/16 | 65,536 | DSDC | DoD Network Information Center (DNIC) · US | Reallocated | Aug 28, 2025 | [email protected] |
| 131.79.0.0/16 | 65,536 | DDTC | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Oct 25, 1988 | [email protected] |
| └ 131.79.0.0/16 | 65,536 | DDTC | DoD Network Information Center (DNIC) · US | Reallocated | Aug 28, 2025 | [email protected] |
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
- Jun 2007
- Current origin since
- Dec 2010 · 16 yr
- Origin networks
- 2
- Last change of origin
- Dec 2010
Recorded history
History
- Handoffs
- 2
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 131.76.21.0/24 | AS27066 | RADB | Proxy-Registered Route Object by LG Dacom(AS3786) | MAINT-AS3786 | Nov 13, 2023 |
| 131.76.24.0/24 | AS724 | RADB | Proxy-Registered Route Object by DACOM(AS3786) | MAINT-AS3786 | Nov 13, 2023 |
| 131.76.28.0/24 | AS27046 | NTTCOM | CenturyLink Proxy object | MAINT-JOB | Sep 1, 2016 |
| 131.76.40.0/24 | AS27046 | NTTCOM | CenturyLink Proxy object | MAINT-JOB | Sep 1, 2016 |
| 131.76.44.0/24 | AS27046 | RADB | Proxy-Registered Route Object by DACOM(AS3786) | MAINT-AS3786 | Nov 13, 2023 |
| 131.76.45.0/24 | AS27046 | RADB | Proxy-Registered Route Object by DACOM(AS3786) | MAINT-AS3786 | Nov 13, 2023 |
| 131.76.46.0/24 | AS27046 | RADB | Proxy-Registered Route Object by DACOM(AS3786) | MAINT-AS3786 | Nov 13, 2023 |
| 131.76.47.0/24 | AS27046 | NTTCOM | CenturyLink Proxy object | MAINT-JOB | Sep 1, 2016 |
| 131.76.48.0/24 | AS27046 | RADB | Proxy-Registered Route Object by DACOM(AS3786) | MAINT-AS3786 | Nov 13, 2023 |
| 131.76.49.0/24 | AS27046 | RADB | Proxy-Registered Route Object by DACOM(AS3786) | MAINT-AS3786 | Nov 13, 2023 |
| 131.76.50.0/24 | AS27046 | RADB | Proxy-Registered Route Object by DACOM(AS3786) | MAINT-AS3786 | Nov 13, 2023 |
| 131.76.54.0/24 | AS27046 | NTTCOM | CenturyLink Proxy object | MAINT-JOB | Sep 1, 2016 |
| 131.76.58.0/24 | AS27046 | NTTCOM | CenturyLink Proxy object | MAINT-JOB | Sep 1, 2016 |
| 131.76.59.0/24 | AS27046 | NTTCOM | CenturyLink Proxy object | MAINT-JOB | Sep 1, 2016 |
| 131.76.73.0/24 | AS27046 | NTTCOM | CenturyLink Proxy object | MAINT-JOB | Sep 1, 2016 |
| 131.76.134.0/23 | AS27046 | NTTCOM | CenturyLink Proxy object | MAINT-JOB | Sep 1, 2016 |
| 131.76.137.0/24 | AS27046 | NTTCOM | CenturyLink Proxy object | MAINT-JOB | Sep 1, 2016 |
| 131.76.138.0/24 | AS27046 | NTTCOM | CenturyLink Proxy object | MAINT-JOB | Sep 1, 2016 |
| 131.78.133.0/24 | AS27046 | RADB | Proxy-Registered Route Object by DACOM(AS3786) | MAINT-AS3786 | Nov 13, 2023 |
| 131.78.134.0/24 | AS27046 | RADB | Proxy-Registered Route Object by DACOM(AS3786) | MAINT-AS3786 | Nov 13, 2023 |
| 131.79.246.0/23 | AS27046 | NTTCOM | CenturyLink Proxy object | MAINT-JOB | Sep 1, 2016 |
Whois
Registration for this announcement
131.76.0.0/14 spans several registrations: 8 records are listed under Registrations.
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 25, 1988
- Status
- assigned