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 6.16.106.0/24 unknown
v4 6.16.107.0/24 unknown
v4 6.16.112.0/24 unknown
v4 6.16.113.0/24 unknown
v4 6.16.137.0/24 unknown
v4 6.16.52.0/24 unknown
v4 6.16.70.0/24 unknown
v4 6.16.71.0/24 unknown
v4 6.16.72.0/24 unknown
v4 6.16.73.0/24 unknown
v4 6.16.80.0/24 unknown
v4 6.16.81.0/24 unknown
v4 6.16.90.0/24 unknown
v4 6.16.91.0/24 unknown
v4 6.16.94.0/24 unknown
v4 6.16.95.0/24 unknown
v4 6.16.96.0/24 unknown
v4 6.16.97.0/24 unknown
v4 6.17.88.0/21 unknown
v4 6.240.0.0/12 unknown
v4 6.244.0.0/14 unknown
v4 6.248.0.0/13 unknown
v4 6.42.192.0/22 unknown
v4 6.42.196.0/22 unknown
v4 6.42.200.0/22 unknown
v4 6.42.204.0/22 unknown
v4 6.42.208.0/22 unknown
v4 6.42.212.0/22 unknown
v4 6.42.216.0/22 unknown
v4 6.42.220.0/22 unknown
v4 6.42.224.0/22 unknown
v4 6.42.228.0/22 unknown
v4 6.42.232.0/22 unknown
v4 6.42.243.0/24 unknown
v4 6.42.244.0/24 unknown
v4 6.42.245.0/24 unknown
v4 6.42.246.0/24 unknown
v4 6.42.247.0/24 unknown
v4 6.64.151.0/24 unknown
v4 6.64.159.0/24 unknown
v4 6.64.162.0/24 unknown
v4 6.64.163.0/24 unknown
v4 6.65.130.0/23 unknown
v4 6.65.132.0/23 unknown
v4 6.65.134.0/23 unknown
v4 6.65.136.0/23 unknown
v4 6.65.138.0/23 unknown
v4 6.65.140.0/23 unknown
v4 6.65.142.0/23 unknown
v4 6.65.144.0/23 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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