AS1540

Name: AS1540 — Headquarters, USAISC
Creator: ipdex

Headquarters, USAISC Unknown registered in United States

780IPv4 prefixes

26IPv6 prefixes

#13,176AS Rank

#42Rank in United States

2004-05-12Allocated

Headquarters, USAISC (AS1540) — Unknown, registered in United States. announces 780 IPv4 prefixes + 26 IPv6 prefixes. Rank in United States: #42. Allocated: 2004-05-12.

IPv4 780IPv6 26

Announced prefixes · 806

v6 2608:149:3f80::/48 unknown
v6 2608:180:90::/48 unknown
v6 2608:181:ea0::/48 unknown
v6 2608:182:42a0::/48 unknown
v6 2608:183:4a30::/48 unknown
v6 2608:186:2680::/48 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	773
2026-06-13	773
2026-06-14	747
2026-06-16	751
2026-06-17	763
2026-06-19	814
2026-06-20	806

AS topology · Customer cone 1

Providers · 1

AS27064 United States Department of Defense (DoD)

Peers · 2

AS306 United States Department of Defense (DoD)
AS367 United States Department of Defense (DoD)

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