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 144.245.26.0/24 unknown
v4 144.245.27.0/24 unknown
v4 144.245.28.0/24 unknown
v4 144.245.29.0/24 unknown
v4 144.245.3.0/24 unknown
v4 144.245.30.0/24 unknown
v4 144.245.31.0/24 unknown
v4 144.245.32.0/24 unknown
v4 144.245.33.0/24 unknown
v4 144.245.34.0/24 unknown
v4 144.245.35.0/24 unknown
v4 144.245.36.0/24 unknown
v4 144.245.37.0/24 unknown
v4 144.245.38.0/24 unknown
v4 144.245.39.0/24 unknown
v4 144.245.4.0/24 unknown
v4 144.245.40.0/24 unknown
v4 144.245.41.0/24 unknown
v4 144.245.42.0/24 unknown
v4 144.245.43.0/24 unknown
v4 144.245.44.0/24 unknown
v4 144.245.45.0/24 unknown
v4 144.245.46.0/24 unknown
v4 144.245.47.0/24 unknown
v4 144.245.49.0/24 unknown
v4 144.245.5.0/24 unknown
v4 144.245.51.0/24 unknown
v4 144.245.52.0/24 unknown
v4 144.245.54.0/24 unknown
v4 144.245.55.0/24 unknown
v4 144.245.56.0/24 unknown
v4 144.245.57.0/24 unknown
v4 144.245.58.0/24 unknown
v4 144.245.59.0/24 unknown
v4 144.245.6.0/24 unknown
v4 144.245.60.0/23 unknown
v4 144.245.62.0/23 unknown
v4 144.245.64.0/23 unknown
v4 144.245.66.0/23 unknown
v4 144.245.68.0/24 unknown
v4 144.245.69.0/24 unknown
v4 144.245.7.0/24 unknown
v4 144.245.70.0/24 unknown
v4 144.245.71.0/24 unknown
v4 144.245.72.0/24 unknown
v4 144.245.73.0/24 unknown
v4 144.245.74.0/24 unknown
v4 144.245.75.0/24 unknown
v4 144.245.76.0/23 unknown
v4 144.245.78.0/24 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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