AS56

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

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

931IPv4 prefixes

0IPv6 prefixes

#12,724AS Rank

#36Rank in United States

1985-12-18Allocated

United States Department of Defense (DoD) (AS56) — Unknown, registered in United States. announces 931 IPv4 prefixes + 0 IPv6 prefixes. Rank in United States: #36. Allocated: 1985-12-18.

IPv4 931IPv6 0

Announced prefixes · 931

v4 143.147.48.0/20 unknown
v4 143.147.88.0/21 unknown
v4 143.147.96.0/21 unknown
v4 143.156.224.0/19 unknown
v4 143.156.64.0/18 unknown
v4 143.157.48.0/20 unknown
v4 143.157.88.0/21 unknown
v4 143.158.0.0/16 unknown
v4 143.158.122.0/24 unknown
v4 143.230.156.0/23 unknown
v4 144.88.0.0/24 unknown
v4 144.88.1.0/24 unknown
v4 144.88.64.0/18 unknown
v4 147.74.0.0/16 unknown
v4 151.166.0.0/16 unknown
v4 162.24.0.0/16 unknown
v4 192.190.107.0/24 unknown
v4 192.35.208.0/24 unknown
v4 192.43.253.0/24 unknown
v4 198.154.10.0/24 unknown
v4 198.154.11.0/24 unknown
v4 198.154.12.0/24 unknown
v4 198.154.13.0/24 unknown
v4 198.154.14.0/24 unknown
v4 198.154.15.0/24 unknown
v4 198.154.8.0/24 unknown
v4 198.154.9.0/24 unknown
v4 198.220.131.0/24 unknown
v4 198.25.63.0/24 unknown
v4 198.97.67.0/24 unknown
v4 199.124.126.0/23 unknown
v4 199.124.80.0/22 unknown
v4 199.208.156.0/24 unknown
v4 199.225.4.0/23 unknown
v4 199.251.232.0/24 unknown
v4 199.251.244.0/24 unknown
v4 199.251.245.0/24 unknown
v4 199.251.253.0/24 unknown
v4 199.251.66.0/24 unknown
v4 199.251.67.0/24 unknown
v4 199.251.68.0/24 unknown
v4 199.251.81.0/24 unknown
v4 199.251.82.0/24 unknown
v4 199.251.83.0/24 unknown
v4 199.31.96.0/21 unknown
v4 204.222.248.0/24 unknown
v4 204.222.249.0/24 unknown
v4 204.34.217.0/24 unknown
v4 206.37.106.0/24 unknown
v4 206.37.107.0/24 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
2026-06-19	932
2026-06-20	922
2026-06-21	931

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.