Data as of Nov 4, 2026
Autonomous system
AS329
United States Department of Defense (DoD)
Announces 131,840 addresses in 12 prefixes. None of it is anonymizer space.
Type
Business
US
Announced prefixes
| Prefix | Type | Holder | RPKI |
|---|---|---|---|
| 55.51.56.0/24 since May 2026 | Business | via Headquarters, USAISC | |
| 55.51.57.0/24 since May 2026 | Business | via Headquarters, USAISC | |
| 55.78.0.0/16 since Sep 2026 | Business | via Headquarters, USAISC | |
| 55.78.221.0/24 since May 2020 | Business | via Headquarters, USAISC | |
| 55.92.0.0/16 since May 2017 | Business | via Headquarters, USAISC | |
| 55.92.211.0/24 since Feb 2020 | Business | via Headquarters, USAISC | |
| 55.92.212.0/24 since Feb 2020 | Business | via Headquarters, USAISC | |
| 55.92.221.0/24 since Apr 2019 | Business | via Headquarters, USAISC | |
| 55.92.222.0/24 since Feb 2022 | Business | via Headquarters, USAISC | |
| 55.92.241.0/24 since Sep 2020 | Business | via Headquarters, USAISC | |
| 55.92.252.0/24 since Nov 2021 | Business | via Headquarters, USAISC | |
| 215.65.80.0/24 since Feb 2011 | Business | via DoD Network Information Center |
Network & history
Profile
- Registered
- Jun 30, 1989
- Domain
- mail.mil
- Industry
- Military, Defense, National Security, and International Affairs
Routing patterns
How its announcements have moved
Arrivals