AS721 · United States Department of Defense (DoD)

245
IPv4 prefixes
73,210,368
IPv4 addresses
2
IPv6 prefixes
🇺🇸 US
Country

Summary

AS number
AS721
Name
United States Department of Defense (DoD)
Country
🇺🇸 United States
Type
ARIN
Category
government
Announced
247 prefixes
Updated
2025-09-12

Announced IPv4 prefixes (245)

Prefix
6.16.172.0/23
6.16.174.0/24
6.64.181.0/24
55.0.0.0/8
130.22.0.0/16
131.4.0.0/15
131.16.0.0/16
131.32.0.0/11
131.64.0.0/13
131.73.0.0/16
131.74.0.0/15
131.76.0.0/14
131.78.3.0/24
131.78.204.0/24
131.80.0.0/14
131.86.0.0/15
131.86.0.0/16
131.87.0.0/16
132.0.0.0/10
132.80.0.0/12
132.96.0.0/11
132.128.0.0/12
134.80.0.0/16
134.135.0.0/16
134.233.0.0/16
134.235.0.0/16
136.212.0.0/14
136.216.0.0/14
136.220.0.0/15
137.0.0.0/13
137.8.0.0/14
137.209.0.0/16
137.240.0.0/14
138.50.0.0/16
138.136.0.0/13
138.144.0.0/12
138.160.0.0/15
138.162.5.0/24
138.164.0.0/14
138.168.0.0/14
138.178.0.0/15
138.178.0.0/16
138.180.0.0/16
139.139.0.0/16
139.241.0.0/16
139.244.1.0/24
139.244.2.0/24
139.244.4.0/24
139.244.7.0/24
140.1.0.0/16
140.13.73.0/24
140.14.35.0/24
140.14.37.0/24
140.14.39.0/24
140.14.41.0/24
140.14.43.0/24
140.14.45.0/24
140.14.47.0/24
140.14.49.0/24
140.14.51.0/24
140.14.53.0/24
140.21.0.0/16
140.35.64.0/18
140.152.0.0/14
140.153.72.0/24
140.201.0.0/16
141.234.0.0/15
143.69.0.0/16
143.73.0.0/16
143.74.0.0/16
143.76.0.0/16
143.81.0.0/16
143.81.0.0/17
143.81.103.0/24
143.81.128.0/17
143.83.0.0/16
143.84.0.0/16
143.85.0.0/16
143.85.0.0/18
143.85.64.0/18
143.85.128.0/18
143.85.192.0/18
143.86.176.0/24
143.86.204.0/23
143.138.0.0/15
143.140.0.0/14
143.144.0.0/13
143.156.0.0/15
143.212.0.0/15
144.100.0.0/14
144.104.0.0/14
144.104.0.0/15
144.109.0.0/16
144.170.0.0/16
144.182.0.0/15
144.251.43.0/24
146.55.22.0/23
146.55.124.0/24
146.55.127.0/24
147.130.0.0/15
147.216.0.0/15
148.48.0.0/15
150.192.0.0/15
153.23.0.0/16
153.24.0.0/14
153.24.0.0/15
153.26.0.0/16
153.29.0.0/16
153.29.0.0/17
153.29.128.0/17
155.7.0.0/16
155.8.0.0/15
155.21.192.0/19
155.29.48.0/23
155.29.166.0/23
155.150.0.0/15
155.152.0.0/14
155.155.0.0/16
155.214.0.0/15
155.216.0.0/14
155.252.0.0/16
156.112.148.0/23
158.0.0.0/13
158.8.0.0/14
158.14.0.0/15
158.236.0.0/14
158.240.0.0/14
159.77.0.0/16
160.126.0.0/15
160.132.0.0/15
160.136.0.0/13
160.144.0.0/13
164.87.0.0/16
164.230.0.0/15
164.236.0.0/16
192.41.202.0/24
192.42.41.0/24
192.73.26.0/23
192.73.28.0/23
192.86.112.0/21
192.86.232.0/21
192.86.252.0/24
192.101.132.0/23
192.108.8.0/21
192.108.176.0/21
192.111.116.0/23
192.129.64.0/22
192.132.83.0/24
192.132.84.0/23
192.138.24.0/21
192.138.32.0/19
192.138.64.0/20
192.138.80.0/22
192.153.132.0/22
192.153.136.0/21
192.153.144.0/21
192.153.244.0/23
192.156.0.0/18
192.156.64.0/20
192.156.80.0/23
192.172.0.0/19
192.187.4.0/22
192.188.204.0/22
192.188.208.0/20
192.240.128.0/20
192.240.129.0/24
192.240.144.0/22
198.25.0.0/16
198.25.0.0/24
198.26.0.0/16
198.49.184.0/21
198.97.72.0/21
198.97.96.0/19
198.97.128.0/18
198.97.192.0/20
198.97.192.0/21
198.97.240.0/20
198.154.8.0/21
198.154.72.0/22
198.218.0.0/15
198.220.0.0/16
198.250.128.0/18
198.250.192.0/18
198.250.192.0/19
198.250.224.0/20
198.250.240.0/21
199.9.64.0/18
199.32.128.0/18
199.57.0.0/16
199.112.0.0/15
199.114.32.0/20
199.122.4.0/23
199.122.32.0/20
199.122.56.0/21
199.123.72.0/21
199.123.80.0/21
199.123.91.0/24
199.123.104.0/21
199.123.122.0/23
199.124.16.0/21
199.208.0.0/16
199.209.0.0/16
199.211.64.0/18
199.211.128.0/17
199.211.176.0/20
199.211.192.0/18
199.225.0.0/20
199.251.0.0/16
199.252.32.0/20
199.252.48.0/22
199.252.128.0/18
199.252.143.0/24
199.252.154.0/24
199.252.155.0/24
199.252.157.0/24
199.252.162.0/24
199.252.180.0/24
204.34.0.0/16
204.34.186.0/24
204.37.8.0/21
204.37.128.0/17
204.208.0.0/16
204.222.0.0/15
205.56.0.0/13
205.56.162.0/24
205.64.0.0/11
205.69.238.0/24
205.96.0.0/13
205.104.0.0/15
205.106.0.0/15
205.108.0.0/15
205.110.0.0/16
205.115.0.0/16
206.37.0.0/16
206.37.202.0/24
206.38.0.0/16
206.39.0.0/16
207.132.0.0/15
209.22.0.0/16
214.0.0.0/8
214.13.0.0/16
214.40.0.0/16
215.0.0.0/9
215.65.0.0/18
215.67.59.0/24

Announced IPv6 prefixes (2)

Prefix
2608:120::/32
2608:121::/32