AS721

Name: AS721 — United States Department of Defense (DoD)
Creator: ipdex

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

237IPv4 prefixes

2IPv6 prefixes

#435AS Rank

#140Rank in United States

United States Department of Defense (DoD) (AS721) — Unknown, registered in United States. announces 237 IPv4 prefixes + 2 IPv6 prefixes. Rank in United States: #140.

IPv4 237IPv6 2

Announced prefixes · 239

v4 199.252.162.0/24 unknown
v4 199.252.180.0/24 unknown
v4 199.252.32.0/20 unknown
v4 199.32.128.0/18 unknown
v4 199.57.0.0/16 unknown
v4 199.9.64.0/18 unknown
v4 204.208.0.0/16 unknown
v4 204.222.0.0/15 unknown
v4 204.34.0.0/16 unknown
v4 204.34.186.0/24 unknown
v4 204.37.128.0/17 unknown
v4 204.37.8.0/21 unknown
v4 205.104.0.0/15 unknown
v4 205.106.0.0/15 unknown
v4 205.108.0.0/15 unknown
v4 205.110.0.0/16 unknown
v4 205.115.0.0/16 unknown
v4 205.56.0.0/13 unknown
v4 205.56.162.0/24 unknown
v4 205.64.0.0/11 unknown
v4 205.69.238.0/24 unknown
v4 205.96.0.0/13 unknown
v4 206.37.0.0/16 unknown
v4 206.37.202.0/24 unknown
v4 206.38.0.0/16 unknown
v4 206.39.0.0/16 unknown
v4 207.132.0.0/15 unknown
v4 209.22.0.0/16 unknown
v4 214.0.0.0/8 unknown
v4 214.40.0.0/16 unknown
v4 215.0.0.0/9 unknown
v4 215.65.0.0/18 unknown
v4 215.67.59.0/24 unknown
v4 55.0.0.0/8 unknown
v4 6.16.172.0/23 unknown
v4 6.16.174.0/24 unknown
v4 6.64.181.0/24 unknown
v6 2608:120::/32 unknown
v6 2608:121::/32 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	239
2026-06-13	239
2026-06-14	239
2026-06-16	239
2026-06-17	239
2026-06-19	239
2026-06-20	239
2026-06-21	239

AS topology · Customer cone 111

Providers · 1

AS3356 Level 3 Parent, LLC

Customers · 3

AS27064 United States Department of Defense (DoD)
AS27066 United States Department of Defense (DoD)
AS27065 United States Department of Defense (DoD)

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