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 144.245.104.0/24 unknown
v4 144.245.105.0/24 unknown
v4 144.245.106.0/24 unknown
v4 144.245.107.0/24 unknown
v4 144.245.108.0/24 unknown
v4 144.245.109.0/24 unknown
v4 144.245.11.0/24 unknown
v4 144.245.110.0/24 unknown
v4 144.245.114.0/24 unknown
v4 144.245.115.0/24 unknown
v4 144.245.116.0/24 unknown
v4 144.245.117.0/24 unknown
v4 144.245.119.0/24 unknown
v4 144.245.12.0/24 unknown
v4 144.245.120.0/24 unknown
v4 144.245.121.0/24 unknown
v4 144.245.122.0/24 unknown
v4 144.245.123.0/24 unknown
v4 144.245.124.0/24 unknown
v4 144.245.125.0/24 unknown
v4 144.245.126.0/24 unknown
v4 144.245.127.0/24 unknown
v4 144.245.128.0/24 unknown
v4 144.245.129.0/24 unknown
v4 144.245.130.0/24 unknown
v4 144.245.131.0/24 unknown
v4 144.245.132.0/24 unknown
v4 144.245.133.0/24 unknown
v4 144.245.134.0/23 unknown
v4 144.245.136.0/24 unknown
v4 144.245.18.0/24 unknown
v4 144.245.19.0/24 unknown
v4 144.245.192.0/23 unknown
v4 144.245.194.0/23 unknown
v4 144.245.196.0/24 unknown
v4 144.245.198.0/24 unknown
v4 144.245.199.0/24 unknown
v4 144.245.2.0/24 unknown
v4 144.245.20.0/24 unknown
v4 144.245.200.0/24 unknown
v4 144.245.201.0/24 unknown
v4 144.245.21.0/24 unknown
v4 144.245.22.0/24 unknown
v4 144.245.23.0/24 unknown
v4 144.245.24.0/24 unknown
v4 144.245.25.0/24 unknown
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

— 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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