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 6.65.146.0/23 unknown
v4 6.65.148.0/23 unknown
v4 6.65.150.0/23 unknown
v4 6.65.152.0/23 unknown
v4 6.65.154.0/23 unknown
v4 6.65.156.0/23 unknown
v4 6.65.158.0/23 unknown
v4 6.65.16.0/24 unknown
v4 6.65.160.0/23 unknown
v4 6.65.162.0/23 unknown
v4 6.65.164.0/23 unknown
v4 6.65.166.0/23 unknown
v4 6.65.168.0/23 unknown
v4 6.65.170.0/23 unknown
v4 6.65.172.0/23 unknown
v4 6.65.174.0/23 unknown
v4 6.65.176.0/23 unknown
v4 6.65.178.0/23 unknown
v4 6.65.180.0/23 unknown
v4 6.65.182.0/23 unknown
v4 6.65.184.0/23 unknown
v4 6.65.186.0/23 unknown
v4 6.65.20.0/22 unknown
v4 6.65.26.0/24 unknown
v4 6.65.27.0/24 unknown
v4 6.65.34.0/24 unknown
v4 6.65.35.0/24 unknown
v4 6.65.36.0/22 unknown
v4 6.65.4.0/24 unknown
v4 6.65.40.0/24 unknown
v4 6.65.44.0/22 unknown
v4 6.65.48.0/23 unknown
v4 6.65.50.0/24 unknown
v4 6.65.51.0/24 unknown
v4 6.65.58.0/24 unknown
v4 6.65.59.0/24 unknown
v4 6.65.6.0/24 unknown
v4 6.65.8.0/22 unknown
v4 6.66.100.0/23 unknown
v4 6.66.102.0/23 unknown
v4 6.66.104.0/23 unknown
v4 6.66.106.0/23 unknown
v4 6.66.108.0/23 unknown
v4 6.66.110.0/23 unknown
v4 6.66.112.0/23 unknown
v4 6.66.114.0/23 unknown
v4 6.66.116.0/23 unknown
v4 6.66.118.0/23 unknown
v4 6.66.120.0/23 unknown
v4 6.66.122.0/23 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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