AS1540

Name: AS1540 — Headquarters, USAISC
Creator: ipdex

Headquarters, USAISC Unknown registered in United States

731IPv4 prefixes

32IPv6 prefixes

#13,176AS Rank

#45Rank in United States

2004-05-12Allocated

Headquarters, USAISC (AS1540) — Unknown, registered in United States. announces 731 IPv4 prefixes + 32 IPv6 prefixes. Rank in United States: #45. Allocated: 2004-05-12.

IPv4 731IPv6 32

Announced prefixes · 763

v4 143.78.0.0/16 unknown
v4 143.79.0.0/16 unknown
v4 143.79.232.0/24 unknown
v4 143.79.24.0/23 unknown
v4 143.84.161.0/24 unknown
v4 143.84.162.0/24 unknown
v4 143.84.163.0/24 unknown
v4 143.84.165.0/24 unknown
v4 143.84.167.0/24 unknown
v4 143.84.169.0/24 unknown
v4 143.84.198.0/24 unknown
v4 143.84.2.0/24 unknown
v4 143.84.229.0/24 unknown
v4 143.84.237.0/24 unknown
v4 143.84.29.0/24 unknown
v4 143.84.38.0/24 unknown
v4 143.84.43.0/24 unknown
v4 143.84.44.0/24 unknown
v4 143.84.45.0/24 unknown
v4 143.84.64.0/24 unknown
v4 143.84.68.0/24 unknown
v4 143.84.74.0/24 unknown
v4 143.84.8.0/24 unknown
v4 143.86.104.0/22 unknown
v4 143.86.182.0/24 unknown
v4 143.86.220.0/24 unknown
v4 143.86.80.0/20 unknown
v4 143.86.80.0/22 unknown
v4 143.86.96.0/21 unknown
v4 144.101.10.0/24 unknown
v4 144.101.110.0/24 unknown
v4 144.101.114.0/24 unknown
v4 144.101.116.0/24 unknown
v4 144.101.161.0/24 unknown
v4 144.101.162.0/24 unknown
v4 144.101.9.0/24 unknown
v4 144.101.99.0/24 unknown
v4 144.104.74.0/24 unknown
v4 144.104.75.0/24 unknown
v4 144.104.76.0/24 unknown
v4 144.104.77.0/24 unknown
v4 144.105.48.0/21 unknown
v4 144.147.0.0/16 unknown
v4 144.244.0.0/16 unknown
v4 144.245.0.0/16 unknown
v4 144.245.0.0/24 unknown
v4 144.245.1.0/24 unknown
v4 144.245.10.0/24 unknown
v4 144.245.102.0/24 unknown
v4 144.245.103.0/24 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

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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