Data as of Nov 13, 2026
137.12.0.0/16
No anonymizer space · no proxy exits in 30 daysUnited States Department of Defense (DoD)
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 |
|---|---|---|---|---|---|---|
| 137.12.0.0/16 | 65,536 | AF-RNET-137-012 | unknown | — | — | — |
| └ 137.12.0.0/16 | 65,536 | AF-RNET-137-012 | Air Force Systems Networking (7ESG) · US | Allocation | Aug 19, 2025 | disa. |
Network & registry
Announced by
Covering announcement 137.12.0.0/15
- Prefix
- 137.12.0.0/15
- Announced by
- AS749 United States Department of Defense (DoD)
- Type
- Business
- RPKI
- No RPKI
- RIR
- ARIN
Registry
Holder
- Organization
- Not stated by the registry
Origin network
AS749
US
- Name
- United States Department of Defense (DoD)
- Type
- Business
- Domain
- mail.mil
- Industry
- Military, Defense, National Security, and International Affairs
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 137.12.0.0/15
137.12.0.0/15
Routing history
- Pattern
- Stable
- First seen
- Jun 2020
- Current origin since
- Sep 2021 · 5.2 yr
- Origin networks
- 2
- Last change of origin
- Sep 2021
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
137.12.0.0/15 spans several registrations: 4 records are listed under Registrations.
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 28, 1989
- Status
- assigned