AS56

Name: AS56 — United States Department of Defense (DoD)
Creator: ipdex

United States Department of Defense (DoD) Unknown registered in United States

935IPv4 prefixes

0IPv6 prefixes

#12,724AS Rank

#35Rank in United States

1985-12-18Allocated

United States Department of Defense (DoD) (AS56) — Unknown, registered in United States. announces 935 IPv4 prefixes + 0 IPv6 prefixes. Rank in United States: #35. Allocated: 1985-12-18.

IPv4 935IPv6 0

Announced prefixes · 935

v4 131.13.0.0/16 unknown
v4 131.13.120.0/24 unknown
v4 131.15.116.0/23 unknown
v4 131.15.119.0/24 unknown
v4 131.15.16.0/20 unknown
v4 131.15.32.0/22 unknown
v4 131.16.80.0/21 unknown
v4 131.16.83.0/24 unknown
v4 131.17.0.0/16 unknown
v4 131.17.120.0/24 unknown
v4 131.18.1.0/24 unknown
v4 131.18.104.0/24 unknown
v4 131.18.105.0/24 unknown
v4 131.18.128.0/24 unknown
v4 131.18.176.0/24 unknown
v4 131.18.177.0/24 unknown
v4 131.18.98.0/23 unknown
v4 131.22.0.0/16 unknown
v4 131.22.200.0/24 unknown
v4 131.22.8.0/24 unknown
v4 131.24.0.0/16 unknown
v4 131.24.119.0/24 unknown
v4 131.24.120.0/24 unknown
v4 131.25.0.0/16 unknown
v4 131.25.245.0/24 unknown
v4 131.27.0.0/18 unknown
v4 131.28.0.0/16 unknown
v4 131.28.120.0/22 unknown
v4 131.29.0.0/16 unknown
v4 131.3.0.0/16 unknown
v4 131.30.0.0/16 unknown
v4 131.30.120.0/24 unknown
v4 131.32.0.0/16 unknown
v4 131.33.120.0/24 unknown
v4 131.34.0.0/16 unknown
v4 131.34.250.0/24 unknown
v4 131.35.0.0/16 unknown
v4 131.37.0.0/16 unknown
v4 131.37.208.0/24 unknown
v4 131.39.0.0/16 unknown
v4 131.39.248.0/24 unknown
v4 131.40.0.0/16 unknown
v4 131.43.10.0/24 unknown
v4 131.43.11.0/24 unknown
v4 131.43.110.0/24 unknown
v4 131.43.111.0/24 unknown
v4 131.43.112.0/21 unknown
v4 131.43.120.0/22 unknown
v4 131.43.122.0/24 unknown
v4 131.43.124.0/24 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	934
2026-06-13	934
2026-06-14	936
2026-06-16	933
2026-06-17	935

AS topology · Customer cone 1

Providers · 2

AS27064 United States Department of Defense (DoD)
AS27065 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

[![AS56 on ipdex](https://ipdex.io/badge/asn/56.svg)](https://ipdex.io/asn/AS56/)

HTML

<a href="https://ipdex.io/asn/AS56/"><img src="https://ipdex.io/badge/asn/56.svg" alt="AS56 on ipdex"></a>

Live chart (iframe)

<iframe src="https://ipdex.io/embed/asn/56" 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.