AS56

Name: AS56 — United States Department of Defense (DoD)
Creator: ipdex

United States Department of Defense (DoD) Unknown registered in United States

922IPv4 prefixes

0IPv6 prefixes

#12,724AS Rank

#36Rank in United States

1985-12-18Allocated

United States Department of Defense (DoD) (AS56) — Unknown, registered in United States. announces 922 IPv4 prefixes + 0 IPv6 prefixes. Rank in United States: #36. Allocated: 1985-12-18.

IPv4 922IPv6 0

Announced prefixes · 922

v4 137.2.112.0/20 unknown
v4 137.2.128.0/18 unknown
v4 137.2.16.0/20 unknown
v4 137.2.32.0/20 unknown
v4 137.2.48.0/20 unknown
v4 137.2.64.0/20 unknown
v4 137.2.80.0/21 unknown
v4 137.240.0.0/16 unknown
v4 137.240.250.0/24 unknown
v4 137.241.0.0/16 unknown
v4 137.242.0.0/16 unknown
v4 137.242.245.0/24 unknown
v4 137.243.0.0/16 unknown
v4 137.243.255.0/24 unknown
v4 137.244.0.0/16 unknown
v4 137.244.0.0/18 unknown
v4 137.245.0.0/16 unknown
v4 137.3.0.0/16 unknown
v4 137.3.120.0/24 unknown
v4 137.4.0.0/16 unknown
v4 137.4.120.0/24 unknown
v4 137.6.0.0/20 unknown
v4 137.6.112.0/20 unknown
v4 137.6.128.0/20 unknown
v4 137.6.144.0/20 unknown
v4 137.6.16.0/20 unknown
v4 137.6.160.0/20 unknown
v4 137.6.176.0/20 unknown
v4 137.6.192.0/20 unknown
v4 137.6.208.0/20 unknown
v4 137.6.32.0/20 unknown
v4 137.6.48.0/20 unknown
v4 137.6.64.0/20 unknown
v4 137.6.80.0/20 unknown
v4 137.6.96.0/20 unknown
v4 137.7.0.0/16 unknown
v4 137.9.0.0/16 unknown
v4 137.9.0.0/18 unknown
v4 137.9.101.0/24 unknown
v4 137.9.102.0/23 unknown
v4 137.9.104.0/21 unknown
v4 137.9.112.0/20 unknown
v4 137.9.118.0/24 unknown
v4 137.9.121.0/24 unknown
v4 137.9.128.0/17 unknown
v4 137.9.64.0/19 unknown
v4 137.9.80.0/24 unknown
v4 137.9.96.0/22 unknown
v4 138.13.0.0/16 unknown
v4 140.175.0.0/16 unknown

— Routing status unavailable

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	934
2026-06-13	934
2026-06-14	936
2026-06-16	933
2026-06-17	935
2026-06-19	932
2026-06-20	922

AS topology · Customer cone 1

Providers · 2

AS27064 United States Department of Defense (DoD)
AS27065 United States Department of Defense (DoD)

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