AS5972

Name: AS5972 — United States Department of Defense (DoD)
Creator: ipdex

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

1,441IPv4 prefixes

0IPv6 prefixes

#14,181AS Rank

#23Rank in United States

1995-10-24Allocated

United States Department of Defense (DoD) (AS5972) — Unknown, registered in United States. announces 1,441 IPv4 prefixes + 0 IPv6 prefixes. Rank in United States: #23. Allocated: 1995-10-24.

IPv4 1,441IPv6 0

Announced prefixes · 1,441

v4 139.38.34.0/23 unknown
v4 139.38.36.0/22 unknown
v4 139.38.40.0/22 unknown
v4 139.38.44.0/23 unknown
v4 139.38.46.0/23 unknown
v4 139.38.48.0/23 unknown
v4 139.38.50.0/23 unknown
v4 139.38.52.0/23 unknown
v4 139.38.54.0/23 unknown
v4 139.38.56.0/23 unknown
v4 139.38.58.0/23 unknown
v4 139.38.60.0/23 unknown
v4 139.38.62.0/24 unknown
v4 139.38.63.0/24 unknown
v4 139.38.64.0/22 unknown
v4 139.38.68.0/24 unknown
v4 139.38.69.0/24 unknown
v4 139.38.70.0/23 unknown
v4 139.38.72.0/21 unknown
v4 139.38.8.0/24 unknown
v4 139.38.80.0/23 unknown
v4 139.38.82.0/24 unknown
v4 139.38.83.0/24 unknown
v4 139.38.84.0/23 unknown
v4 139.38.86.0/23 unknown
v4 139.38.88.0/21 unknown
v4 139.38.9.0/24 unknown
v4 139.38.96.0/20 unknown
v4 139.39.0.0/21 unknown
v4 139.39.100.0/23 unknown
v4 139.39.102.0/23 unknown
v4 139.39.104.0/21 unknown
v4 139.39.112.0/24 unknown
v4 139.39.113.0/24 unknown
v4 139.39.114.0/24 unknown
v4 139.39.115.0/24 unknown
v4 139.39.116.0/22 unknown
v4 139.39.12.0/22 unknown
v4 139.39.120.0/22 unknown
v4 139.39.124.0/22 unknown
v4 139.39.128.0/21 unknown
v4 139.39.136.0/24 unknown
v4 139.39.137.0/24 unknown
v4 139.39.138.0/23 unknown
v4 139.39.140.0/23 unknown
v4 139.39.142.0/23 unknown
v4 139.39.144.0/22 unknown
v4 139.39.148.0/22 unknown
v4 139.39.152.0/21 unknown
v4 139.39.16.0/23 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	1438
2026-06-13	1438
2026-06-14	1438
2026-06-16	1440
2026-06-17	1440
2026-06-19	1433
2026-06-20	1441
2026-06-21	1441

AS topology · Customer cone 1

Providers · 3

AS27064 United States Department of Defense (DoD)
AS27066 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

[![AS5972 on ipdex](https://ipdex.io/badge/asn/5972.svg)](https://ipdex.io/asn/AS5972/)

HTML

<a href="https://ipdex.io/asn/AS5972/"><img src="https://ipdex.io/badge/asn/5972.svg" alt="AS5972 on ipdex"></a>

Live chart (iframe)

<iframe src="https://ipdex.io/embed/asn/5972" 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.