Data as of Nov 3, 2026
131.74.0.0/16
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 |
|---|---|---|---|---|
| 131.74.12.0/24 since Aug 2021 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.74.16.0/22 since Nov 2019 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.74.20.0/22 since Jan 2022 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.74.24.0/23 since Nov 2019 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.74.32.0/22 since Jul 2021 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.74.36.0/22 since Jul 2021 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.74.48.0/22 since Jul 2021 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.74.52.0/24 since Jul 2021 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.74.58.0/24 since Jul 2021 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.74.62.0/24 since Aug 2020 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.74.64.0/22 since Aug 2021 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.74.68.0/22 since Aug 2021 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.74.72.0/22 since Aug 2021 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.74.76.0/22 since Aug 2021 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.74.80.0/22 since Aug 2021 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.74.84.0/22 since Aug 2021 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.74.88.0/22 since Aug 2021 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.74.92.0/22 since Aug 2021 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.74.96.0/22 since Aug 2021 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.74.110.0/24 since Aug 2021 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.74.111.0/24 since Aug 2021 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.74.118.0/24 since Jul 2021 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.74.121.0/24 since Aug 2021 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.74.124.0/24 since Aug 2021 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.74.156.0/23 since Sep 2025 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.74.158.0/23 since Sep 2025 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.74.160.0/21 since Mar 2018 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.74.168.0/22 since Mar 2018 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.74.172.0/22 since Mar 2018 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.74.176.0/21 since Apr 2018 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.74.184.0/22 since Apr 2018 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.74.188.0/22 since Apr 2018 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.74.194.0/23 since Sep 2024 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.74.208.0/22 since Jul 2021 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.74.224.0/22 since Aug 2021 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.74.228.0/22 since Aug 2021 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.74.240.0/22 since Aug 2021 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.74.248.0/23 since Jun 2021 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.74.252.0/24 since Aug 2021 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center |
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 |
|---|---|---|---|---|---|---|
| 131.74.0.0/16 | 65,536 | DSCC | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | May 23, 1996 | [email protected] |
| └ 131.74.0.0/16 | 65,536 | DSCC | DoD Network Information Center (DNIC) · US | Reallocated | Aug 28, 2025 | [email protected] |
Network & registry
Announced by
Covering announcement 131.74.0.0/15
- Prefix
- 131.74.0.0/15
- 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 131.74.0.0/15
131.74.0.0/15
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
Whois
Registration for this announcement
131.74.0.0/15 spans several registrations: 4 records are listed under Registrations.
- RIR
- ARIN
- Country
- US
- Delegated
- May 23, 1996
- Status
- assigned