AS121

Name: AS121 — United States Department of Defense (DoD)
Creator: ipdex

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

6IPv4 prefixes

0IPv6 prefixes

#12,755AS Rank

326/327RIS visibility

#4,646Rank in United States

1987-08-13Allocated

United States Department of Defense (DoD) (AS121) — Unknown, registered in United States. announces 6 IPv4 prefixes + 0 IPv6 prefixes. Rank in United States: #4646. Allocated: 1987-08-13.

IPv4 6IPv6 0

Announced prefixes · 6

v4 214.54.192.0/20 unknown
v4 214.54.208.0/20 unknown
v4 214.54.224.0/23 unknown
v4 214.54.226.0/23 unknown
v4 214.54.230.0/24 unknown
v4 214.54.231.0/24 unknown

Routing: 6 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	6
2026-06-13	6

AS topology · Customer cone 1

Providers · 1

AS668 United States Department of Defense (DoD)

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