AS331

Name: AS331 — United States Department of Defense (DoD)
Creator: ipdex

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

5IPv4 prefixes

0IPv6 prefixes

#12,824AS Rank

325/327RIS visibility

#5,292Rank in United States

1989-06-30Allocated

United States Department of Defense (DoD) (AS331) — Unknown, registered in United States. announces 5 IPv4 prefixes + 0 IPv6 prefixes. Rank in United States: #5292. Allocated: 1989-06-30.

IPv4 5IPv6 0

Announced prefixes · 5

v4 55.19.0.0/16 unknown
v4 55.19.2.0/24 unknown
v4 55.65.0.0/16 unknown
v4 55.70.0.0/16 unknown
v4 55.70.190.0/24 unknown

Routing: 5 IPv4 · 1 IPv6 announced · RIS visibility 325/327 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	5
2026-06-13	5

AS topology · Customer cone 1

Providers · 1

AS306 United States Department of Defense (DoD)

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