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 155.29.83.0/24 unknown
v4 155.29.92.0/24 unknown
v4 155.29.94.0/24 unknown
v4 155.30.138.0/24 unknown
v4 155.30.48.0/23 unknown
v4 155.9.0.0/16 unknown
v4 158.1.0.0/18 unknown
v4 158.1.120.0/24 unknown
v4 158.1.130.0/24 unknown
v4 158.1.132.0/24 unknown
v4 158.1.133.0/24 unknown
v4 158.1.135.0/24 unknown
v4 158.1.136.0/24 unknown
v4 158.1.137.0/24 unknown
v4 158.1.138.0/24 unknown
v4 158.11.224.0/23 unknown
v4 158.11.48.0/23 unknown
v4 158.11.48.0/24 unknown
v4 158.11.50.0/23 unknown
v4 158.11.50.0/24 unknown
v4 158.11.55.0/24 unknown
v4 158.11.58.0/24 unknown
v4 158.11.72.0/24 unknown
v4 158.11.76.0/23 unknown
v4 158.11.78.0/23 unknown
v4 158.13.120.0/21 unknown
v4 158.13.128.0/21 unknown
v4 158.13.192.0/18 unknown
v4 158.16.0.0/16 unknown
v4 158.16.0.0/20 unknown
v4 158.16.16.0/24 unknown
v4 158.16.224.0/23 unknown
v4 158.16.226.0/23 unknown
v4 158.16.228.0/23 unknown
v4 158.16.230.0/23 unknown
v4 158.16.232.0/23 unknown
v4 158.16.234.0/23 unknown
v4 158.16.237.0/24 unknown
v4 158.16.239.0/24 unknown
v4 158.16.24.0/21 unknown
v4 158.16.242.0/23 unknown
v4 158.16.244.0/23 unknown
v4 158.16.246.0/23 unknown
v4 158.16.48.0/23 unknown
v4 158.17.0.0/16 unknown
v4 158.19.128.0/17 unknown
v4 158.2.0.0/16 unknown
v4 158.4.0.0/17 unknown
v4 158.4.128.0/17 unknown
v4 158.6.0.0/16 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)

Embed this on your site

Free badges and live charts — they update as the index does. No key, link back to ipdex.

Badge

Markdown

[![AS1540 on ipdex](https://ipdex.io/badge/asn/1540.svg)](https://ipdex.io/asn/AS1540/)

HTML

<a href="https://ipdex.io/asn/AS1540/"><img src="https://ipdex.io/badge/asn/1540.svg" alt="AS1540 on ipdex"></a>

Live chart (iframe)

<iframe src="https://ipdex.io/embed/asn/1540" width="680" height="260" frameborder="0" scrolling="no" title="ipdex chart" style="border:0;max-width:100%"></iframe>

oEmbed-enabled: paste the page URL into platforms that support oEmbed and the chart embeds automatically.