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

v4 128.190.2.0/24 unknown
v4 132.140.0.0/24 unknown
v4 132.140.2.0/24 unknown
v4 132.140.4.0/24 unknown
v4 132.140.5.0/24 unknown
v4 132.140.6.0/24 unknown
v4 132.140.7.0/24 unknown
v4 134.78.0.0/16 unknown
v4 134.80.208.0/21 unknown
v4 134.80.208.0/22 unknown
v4 134.80.24.0/23 unknown
v4 134.80.26.0/23 unknown
v4 136.205.0.0/16 unknown
v4 138.27.0.0/16 unknown
v4 139.161.0.0/16 unknown
v4 139.161.7.0/24 unknown
v4 139.231.0.0/16 unknown
v4 139.232.0.0/16 unknown
v4 140.153.105.0/24 unknown
v4 140.153.163.0/24 unknown
v4 140.153.179.0/24 unknown
v4 140.153.234.0/24 unknown
v4 140.153.38.0/24 unknown
v4 140.153.43.0/24 unknown
v4 140.153.70.0/24 unknown
v4 140.16.138.0/24 unknown
v4 140.187.200.0/24 unknown
v4 140.196.0.0/16 unknown
v4 140.202.0.0/16 unknown
v4 141.107.0.0/16 unknown
v4 141.107.40.0/24 unknown
v4 143.134.0.0/16 unknown
v4 143.249.79.0/24 unknown
v4 143.249.90.0/24 unknown
v4 143.68.192.0/21 unknown
v4 143.68.193.0/24 unknown
v4 143.68.194.0/24 unknown
v4 143.68.195.0/24 unknown
v4 143.68.196.0/23 unknown
v4 143.68.199.0/24 unknown
v4 143.68.200.0/21 unknown
v4 143.68.207.0/24 unknown
v4 143.68.224.0/23 unknown
v4 143.68.236.0/23 unknown
v4 143.69.83.0/24 unknown
v4 143.70.199.0/24 unknown
v4 143.71.0.0/16 unknown
v4 143.72.0.0/16 unknown
v4 143.74.250.0/24 unknown
v4 143.78.0.0/16 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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