Data as of Nov 4, 2026
Autonomous system

AS1580

United States Department of Defense (DoD)

Announces 131,584 addresses in 4 prefixes. None of it is anonymizer space.

Type
Business
US

Announced prefixes

Arrived
PrefixTypeHolderRPKI
140.154.0.0/16
since Nov 2012
Business
via Headquarters, USAISC
147.35.0.0/16
since Aug 2014
Business
via Headquarters, USAISC
215.65.26.0/24
since Nov 2005
Business
via DoD Network Information Center
215.65.27.0/24
since Nov 2014
Business
via DoD Network Information Center

Network & history

Routing patterns

How its announcements have moved

Arrivals

Year each prefix's current origin began announcing it