Data as of Nov 3, 2026
Autonomous system
AS340
United States Department of Defense (DoD)
Announces 196,608 addresses in 6 prefixes. None of it is anonymizer space.
Type
Business
US
Announced prefixes
| Prefix | Type | Holder | RPKI |
|---|---|---|---|
| 55.40.0.0/16 since May 2012 | Business | via Headquarters, USAISC | |
| 55.40.242.0/24 since Sep 2025 | Business | via Headquarters, USAISC | |
| 55.40.255.0/24 since Sep 2025 | Business | via Headquarters, USAISC | |
| 55.73.0.0/16 since May 2012 | Business | via Headquarters, USAISC | |
| 55.86.0.0/16 since May 2012 | Business | via Headquarters, USAISC | |
| 55.86.50.0/24 since Apr 2019 | Business | via Headquarters, USAISC |
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