AS1540

Name: AS1540 — Headquarters, USAISC
Creator: ipdex

Headquarters, USAISC Unknown registered in United States

788IPv4 prefixes

26IPv6 prefixes

#13,176AS Rank

#40Rank in United States

2004-05-12Allocated

Headquarters, USAISC (AS1540) — Unknown, registered in United States. announces 788 IPv4 prefixes + 26 IPv6 prefixes. Rank in United States: #40. Allocated: 2004-05-12.

IPv4 788IPv6 26

Announced prefixes · 814

v4 199.123.78.0/23 unknown
v4 199.123.82.0/24 unknown
v4 199.123.84.0/24 unknown
v4 199.123.85.0/24 unknown
v4 199.209.88.0/22 unknown
v4 199.209.88.0/23 unknown
v4 199.226.128.0/18 unknown
v4 206.37.0.0/24 unknown
v4 206.37.12.0/24 unknown
v4 206.37.17.0/24 unknown
v4 206.37.242.0/24 unknown
v4 206.37.243.0/24 unknown
v4 206.39.40.0/24 unknown
v4 207.133.205.0/24 unknown
v4 207.133.219.0/24 unknown
v4 207.133.220.0/24 unknown
v4 214.25.86.0/23 unknown
v4 214.25.88.0/21 unknown
v4 214.3.67.0/24 unknown
v4 214.3.68.0/24 unknown
v4 214.3.93.0/24 unknown
v4 214.3.94.0/24 unknown
v4 214.37.194.0/24 unknown
v4 214.37.198.0/24 unknown
v4 214.37.200.0/24 unknown
v4 214.37.205.0/24 unknown
v4 55.209.100.0/24 unknown
v4 55.209.202.0/24 unknown
v4 6.130.120.0/24 unknown
v4 6.130.125.0/24 unknown
v4 6.130.126.0/24 unknown
v4 6.130.14.0/24 unknown
v4 6.130.28.0/24 unknown
v4 6.130.29.0/24 unknown
v4 6.130.30.0/24 unknown
v4 6.130.38.0/24 unknown
v4 6.130.39.0/24 unknown
v4 6.130.41.0/24 unknown
v4 6.130.42.0/24 unknown
v4 6.131.136.0/23 unknown
v4 6.131.138.0/24 unknown
v4 6.131.140.0/22 unknown
v4 6.131.146.0/24 unknown
v4 6.131.147.0/24 unknown
v4 6.131.148.0/22 unknown
v4 6.131.154.0/23 unknown
v4 6.131.180.0/22 unknown
v4 6.131.190.0/24 unknown
v4 6.131.192.0/22 unknown
v4 6.131.198.0/24 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

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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