Data as of Nov 8, 2026
Autonomous system

AS409

Air Force Systems Networking

Announces 269,312 addresses in 13 prefixes. None of it is anonymizer space.

Type
Business
US

Announced prefixes

Arrived
PrefixTypeHolderRPKI
128.216.0.0/20
since Aug 2016
BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
131.36.0.0/16
since Aug 2016
BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
131.36.116.0/24
since Mar 2017
BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
131.47.0.0/16
since Jun 2024
BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
131.47.100.0/24
since Jun 2024
BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
131.47.106.0/24
since Jun 2024
BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
132.3.8.0/22
since Aug 2011
BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
132.15.0.0/16
since Jan 2023
BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
132.15.225.0/24
since Jan 2023
BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
132.20.0.0/16
since Feb 2008
BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
132.20.251.0/24
since Oct 2011
BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
143.140.64.0/21
since Oct 2020
BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
143.140.70.0/24
since Oct 2020
BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking

Network & history

Routing patterns

How its announcements have moved

Arrivals

Year each prefix's current origin began announcing it