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 6.66.124.0/23 unknown
v4 6.66.126.0/23 unknown
v4 6.66.224.0/23 unknown
v4 6.66.226.0/23 unknown
v4 6.66.228.0/23 unknown
v4 6.66.230.0/23 unknown
v4 6.66.232.0/23 unknown
v4 6.66.234.0/23 unknown
v4 6.66.236.0/23 unknown
v4 6.66.238.0/23 unknown
v4 6.66.64.0/24 unknown
v4 6.66.66.0/23 unknown
v4 6.66.68.0/23 unknown
v4 6.66.70.0/23 unknown
v4 6.66.72.0/23 unknown
v4 6.66.74.0/23 unknown
v4 6.66.76.0/23 unknown
v4 6.66.78.0/23 unknown
v4 6.66.80.0/23 unknown
v4 6.66.82.0/23 unknown
v4 6.66.84.0/23 unknown
v4 6.66.86.0/23 unknown
v4 6.66.88.0/23 unknown
v4 6.66.90.0/23 unknown
v4 6.66.92.0/23 unknown
v4 6.66.94.0/23 unknown
v4 6.66.96.0/23 unknown
v4 6.66.98.0/23 unknown
v4 6.67.32.0/23 unknown
v4 6.67.35.0/24 unknown
v4 6.67.36.0/24 unknown
v4 6.68.0.0/16 unknown
v4 6.69.10.0/23 unknown
v4 6.69.100.0/23 unknown
v4 6.69.102.0/23 unknown
v4 6.69.104.0/23 unknown
v4 6.69.106.0/23 unknown
v4 6.69.108.0/23 unknown
v4 6.69.110.0/23 unknown
v4 6.69.112.0/23 unknown
v4 6.69.114.0/23 unknown
v4 6.69.116.0/23 unknown
v4 6.69.118.0/23 unknown
v4 6.69.12.0/23 unknown
v4 6.69.120.0/23 unknown
v4 6.69.122.0/23 unknown
v4 6.69.124.0/23 unknown
v4 6.69.126.0/23 unknown
v4 6.69.128.0/23 unknown
v4 6.69.130.0/23 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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