AS391

Name: AS391 — Air Force Systems Networking
Creator: ipdex

Air Force Systems Networking Unknown registered in United States

36IPv4 prefixes

0IPv6 prefixes

#12,865AS Rank

326/327RIS visibility

#970Rank in United States

1989-08-04Allocated

Air Force Systems Networking (AS391) — Unknown, registered in United States. announces 36 IPv4 prefixes + 0 IPv6 prefixes. Rank in United States: #970. Allocated: 1989-08-04.

IPv4 36IPv6 0

Announced prefixes · 36

v4 128.202.0.0/16 unknown
v4 128.236.0.0/16 unknown
v4 131.15.120.0/24 unknown
v4 131.15.136.0/24 unknown
v4 131.15.144.0/21 unknown
v4 131.15.160.0/21 unknown
v4 131.15.208.0/24 unknown
v4 131.15.233.0/24 unknown
v4 131.15.234.0/24 unknown
v4 131.15.235.0/24 unknown
v4 131.15.236.0/24 unknown
v4 131.15.237.0/24 unknown
v4 131.15.238.0/24 unknown
v4 131.15.239.0/24 unknown
v4 131.15.252.0/24 unknown
v4 131.15.253.0/24 unknown
v4 131.15.38.0/23 unknown
v4 131.15.40.0/21 unknown
v4 131.15.48.0/20 unknown
v4 131.15.64.0/20 unknown
v4 131.15.80.0/24 unknown
v4 131.15.90.0/23 unknown
v4 131.15.92.0/24 unknown
v4 131.15.98.0/23 unknown
v4 137.0.0.0/16 unknown
v4 137.11.0.0/16 unknown
v4 143.141.96.0/22 unknown
v4 199.251.155.0/24 unknown
v4 199.251.156.0/24 unknown
v4 199.31.2.0/24 unknown
v4 199.31.3.0/24 unknown
v4 204.34.211.0/24 unknown
v4 206.39.56.0/24 unknown
v4 206.39.58.0/24 unknown
v4 207.133.179.0/24 unknown
v4 207.133.189.0/24 unknown

Routing: 36 IPv4 · 0 IPv6 announced · RIS visibility 326/327 RIS peers · RIPEstat · 2026-06-17

Prefix history

Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)

Data table

Day	Announced prefixes
2026-06-12	36
2026-06-13	36
2026-06-14	40
2026-06-15	36

AS topology · Customer cone 1

Providers · 1

AS27064 United States Department of Defense (DoD)

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