AS56

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

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

932IPv4 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 932 IPv4 prefixes + 0 IPv6 prefixes. Rank in United States: #36. Allocated: 1985-12-18.

IPv4 932IPv6 0

Announced prefixes · 932

v4 131.43.64.0/21 unknown
v4 131.43.72.0/24 unknown
v4 131.43.73.0/24 unknown
v4 131.43.74.0/24 unknown
v4 131.43.78.0/24 unknown
v4 131.43.79.0/24 unknown
v4 131.43.80.0/21 unknown
v4 131.43.88.0/24 unknown
v4 131.43.89.0/24 unknown
v4 131.43.9.0/24 unknown
v4 131.43.90.0/24 unknown
v4 131.44.0.0/16 unknown
v4 131.44.120.0/24 unknown
v4 131.44.121.0/24 unknown
v4 131.44.247.0/24 unknown
v4 131.44.248.0/24 unknown
v4 131.44.249.0/24 unknown
v4 131.44.251.0/24 unknown
v4 131.44.255.0/24 unknown
v4 131.44.32.0/21 unknown
v4 131.44.4.0/24 unknown
v4 131.44.64.0/22 unknown
v4 131.45.0.0/16 unknown
v4 131.46.0.0/16 unknown
v4 131.46.120.0/24 unknown
v4 131.48.0.0/16 unknown
v4 131.48.120.0/24 unknown
v4 131.5.48.0/21 unknown
v4 131.5.56.0/22 unknown
v4 131.5.56.0/24 unknown
v4 131.5.57.0/24 unknown
v4 131.5.60.0/22 unknown
v4 131.50.0.0/16 unknown
v4 131.50.120.0/24 unknown
v4 131.51.0.0/16 unknown
v4 131.51.120.0/24 unknown
v4 131.52.0.0/16 unknown
v4 131.52.120.0/24 unknown
v4 131.53.0.0/16 unknown
v4 131.53.120.0/24 unknown
v4 131.53.151.0/24 unknown
v4 131.55.0.0/16 unknown
v4 131.55.121.0/24 unknown
v4 131.56.0.0/16 unknown
v4 131.56.120.0/24 unknown
v4 131.58.0.0/16 unknown
v4 131.58.120.0/24 unknown
v4 131.59.0.0/16 unknown
v4 131.59.120.0/24 unknown
v4 131.59.16.0/21 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

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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