Summary

Country
US United States
Organization Dod Network Information Center
Domain mail.mil
Number of IPv4 67,770,880
Number of IPv6 1.5846× 1029
AS Type Government
Registry ARIN
Allocated January 01, 1970 (about 56 years ago)
Updated May 15, 2009 (about 16 years ago)

IP Ranges

AS721 announces 215 IPv4 ranges and 2 IPv6 ranges.

That's a total of 67,770,880 IPv4 addresses and 1.5846× 1029 IPv6 addresses.

Prefix Organization Size Registry Status
6.16.172.0/23
US Headquarters, Usaisc
512 ARIN ALLOCATION
6.16.174.0/24
US Headquarters, Usaisc
256 ARIN ALLOCATION
6.64.181.0/24
US Headquarters, Usaisc
256 ARIN ALLOCATION
55.0.0.0/8
US Headquarters, Usaisc
16,777,216 ARIN ALLOCATION
130.22.0.0/16
US Dod Network Information Center
65,536 ARIN ALLOCATION
131.4.0.0/15
US Air Force Systems Networking
131,072 ARIN ALLOCATION
131.16.0.0/16
US Air Force Systems Networking
65,536 ARIN ALLOCATION
131.32.0.0/11
US Air Force Systems Networking
2,097,152 ARIN ALLOCATION
131.64.0.0/13
US Dod Network Information Center
524,288 ARIN ALLOCATION
131.73.0.0/16
US Dod Network Information Center
65,536 ARIN ALLOCATION
131.74.0.0/15
US Dod Network Information Center
131,072 ARIN ALLOCATION
131.76.0.0/14
US Dod Network Information Center
262,144 ARIN ALLOCATION
131.78.3.0/24
US Dod Network Information Center
256 ARIN ALLOCATION
131.78.204.0/24
US Dod Network Information Center
256 ARIN ALLOCATION
131.80.0.0/14
US Dod Network Information Center
262,144 ARIN ALLOCATION
131.86.0.0/16
US Dod Network Information Center
65,536 ARIN ALLOCATION
131.87.0.0/16
US Dod Network Information Center
65,536 ARIN ALLOCATION
132.0.0.0/10
US Air Force Systems Networking
4,194,304 ARIN ALLOCATION
132.128.0.0/12
US Headquarters, Usaisc
1,048,576 ARIN ALLOCATION
134.80.0.0/16
US Headquarters, Usaisc
65,536 ARIN ALLOCATION
134.135.0.0/16
US Dod Network Information Center
65,536 ARIN ALLOCATION
134.233.0.0/16
US Headquarters, Usaisc
65,536 ARIN ALLOCATION
134.235.0.0/16
US Headquarters, Usaisc
65,536 ARIN ALLOCATION
136.212.0.0/14
US Dod Network Information Center
262,144 ARIN ALLOCATION
136.216.0.0/14
US Headquarters, Usaisc
262,144 ARIN ALLOCATION
136.220.0.0/15
US Headquarters, Usaisc
131,072 ARIN ALLOCATION
137.0.0.0/13
US Air Force Systems Networking
524,288 ARIN ALLOCATION
137.8.0.0/14
US Dod Network Information Center
262,144 ARIN ALLOCATION
138.50.0.0/16
US Headquarters, Usaisc
65,536 ARIN ALLOCATION
138.136.0.0/13
US Dod Network Information Center
524,288 ARIN ALLOCATION
138.144.0.0/12
US Dod Network Information Center
1,048,576 ARIN ALLOCATION
138.150.0.0/15
US Dod Network Information Center
131,072 ARIN ALLOCATION
138.160.0.0/15
US Dod Network Information Center
131,072 ARIN ALLOCATION
138.162.5.0/24
US Navy Network Information Center (nnic)
256 ARIN ALLOCATION
138.164.0.0/14
US Dod Network Information Center
262,144 ARIN ALLOCATION
138.168.0.0/14
US MARINE CORPS CYBERSPACE OPERATIONS GROUP
262,144 ARIN ALLOCATION
138.178.0.0/16
US Navy Network Information Center (nnic)
65,536 ARIN ALLOCATION
138.178.0.0/15
US Navy Network Information Center (nnic)
131,072 ARIN ALLOCATION
138.180.0.0/16
US Navy Network Information Center (nnic)
65,536 ARIN ALLOCATION
139.139.0.0/16
US Headquarters, Usaisc
65,536 ARIN ALLOCATION
139.241.0.0/16
US Dod Network Information Center
65,536 ARIN ALLOCATION
140.13.73.0/24
US Dod Network Information Center
256 ARIN ALLOCATION
140.14.136.0/24
US Dod Network Information Center
256 ARIN ALLOCATION
140.14.137.0/24
US Dod Network Information Center
256 ARIN ALLOCATION
140.14.138.0/24
US Dod Network Information Center
256 ARIN ALLOCATION
140.21.0.0/16
US Dod Network Information Center
65,536 ARIN ALLOCATION
140.35.64.0/18
US Dod Network Information Center
16,384 ARIN ALLOCATION
140.152.0.0/14
US Dod Network Information Center
262,144 ARIN ALLOCATION
140.153.72.0/24
US Headquarters, Usaisc
256 ARIN ALLOCATION
140.201.0.0/16
US Headquarters, Usaisc
65,536 ARIN ALLOCATION
143.69.0.0/16
US Headquarters, Usaisc
65,536 ARIN ALLOCATION
143.73.0.0/16
US Headquarters, Usaisc
65,536 ARIN ALLOCATION
143.74.0.0/16
US Headquarters, Usaisc
65,536 ARIN ALLOCATION
143.76.0.0/16
US Headquarters, Usaisc
65,536 ARIN ALLOCATION
143.81.0.0/17
US Headquarters, Usaisc
32,768 ARIN ALLOCATION
143.81.103.0/24
US Headquarters, Usaisc
256 ARIN ALLOCATION
143.81.128.0/17
US Headquarters, Usaisc
32,768 ARIN ALLOCATION
143.83.0.0/16
US Headquarters, Usaisc
65,536 ARIN ALLOCATION
143.84.0.0/16
US Headquarters, Usaisc
65,536 ARIN ALLOCATION
143.85.0.0/18
US Headquarters, Usaisc
16,384 ARIN ALLOCATION
143.85.64.0/18
US Headquarters, Usaisc
16,384 ARIN ALLOCATION
143.85.128.0/18
US Headquarters, Usaisc
16,384 ARIN ALLOCATION
143.85.192.0/18
US Headquarters, Usaisc
16,384 ARIN ALLOCATION
143.86.176.0/24
US Headquarters, Usaisc
256 ARIN ALLOCATION
143.86.204.0/23
US Headquarters, Usaisc
512 ARIN ALLOCATION
143.138.0.0/15
US Headquarters, Usaisc
131,072 ARIN ALLOCATION
143.140.0.0/14
US Air Force Systems Networking
262,144 ARIN ALLOCATION
143.144.0.0/13
US Air Force Systems Networking
524,288 ARIN ALLOCATION
143.156.0.0/15
US Air Force Systems Networking
131,072 ARIN ALLOCATION
143.230.200.0/24
US Air Force Systems Networking
256 ARIN ALLOCATION
144.100.0.0/14
US Headquarters, Usaisc
262,144 ARIN ALLOCATION
144.104.0.0/15
US Headquarters, Usaisc
131,072 ARIN ALLOCATION
144.104.0.0/14
US Headquarters, Usaisc
262,144 ARIN ALLOCATION
144.109.0.0/16
US Headquarters, Usaisc
65,536 ARIN ALLOCATION
144.170.0.0/16
US Headquarters, Usaisc
65,536 ARIN ALLOCATION
144.182.0.0/15
US Dod Network Information Center
131,072 ARIN ALLOCATION
144.251.43.0/24
US Dod Network Information Center
256 ARIN ALLOCATION
146.55.22.0/23
US Headquarters, Usaisc
512 ARIN ALLOCATION
146.55.124.0/24
US Headquarters, Usaisc
256 ARIN ALLOCATION
146.55.127.0/24
US Headquarters, Usaisc
256 ARIN ALLOCATION
147.130.0.0/15
US Headquarters, Usaisc
131,072 ARIN ALLOCATION
147.216.0.0/15
US Headquarters, Usaisc
131,072 ARIN ALLOCATION
153.23.0.0/16
US Air Force Systems Networking
65,536 ARIN ALLOCATION
153.24.0.0/15
US Air Force Systems Networking
131,072 ARIN ALLOCATION
153.24.0.0/14
US Air Force Systems Networking
262,144 ARIN ALLOCATION
153.26.0.0/16
US Air Force Systems Networking
65,536 ARIN ALLOCATION
153.29.0.0/17
US Air Force Systems Networking
32,768 ARIN ALLOCATION
153.29.128.0/17
US Air Force Systems Networking
32,768 ARIN ALLOCATION
155.7.0.0/16
US Dod Network Information Center
65,536 ARIN ALLOCATION
155.21.192.0/19
US Headquarters, Usaisc
8,192 ARIN ALLOCATION
155.29.48.0/23
US Headquarters, Usaisc
512 ARIN ALLOCATION
155.29.166.0/23
US Headquarters, Usaisc
512 ARIN ALLOCATION
155.152.0.0/14
US Headquarters, Usaisc
262,144 ARIN ALLOCATION
155.155.0.0/16
US Headquarters, Usaisc
65,536 ARIN ALLOCATION
155.252.0.0/16
US Navy Network Information Center (nnic)
65,536 ARIN ALLOCATION
156.112.148.0/23
US Dod Network Information Center
512 ARIN REASSIGNMENT
158.0.0.0/13
US Dod Network Information Center
524,288 ARIN ALLOCATION
158.8.0.0/14
US Dod Network Information Center
262,144 ARIN ALLOCATION
158.13.154.0/23
US Headquarters, Usaisc
512 ARIN ALLOCATION
158.14.0.0/15
US Headquarters, Usaisc
131,072 ARIN ALLOCATION
158.240.0.0/14
US MARINE CORPS CYBERSPACE OPERATIONS GROUP
262,144 ARIN ALLOCATION
159.77.0.0/16
US Dod Network Information Center
65,536 ARIN ALLOCATION
160.136.0.0/13
US Headquarters, Usaisc
524,288 ARIN ALLOCATION
160.144.0.0/13
US Headquarters, Usaisc
524,288 ARIN ALLOCATION
164.87.0.0/16
US Dod Network Information Center
65,536 ARIN ALLOCATION
164.230.0.0/15
US Dod Network Information Center
131,072 ARIN ALLOCATION
164.236.0.0/16
US Dod Network Information Center
65,536 ARIN ALLOCATION
192.33.6.0/23
US Headquarters, Usaisc
512 ARIN ALLOCATION
192.41.202.0/24
US Dod Network Information Center
256 ARIN ALLOCATION
192.42.41.0/24
US Navy Network Information Center (nnic)
256 ARIN ALLOCATION
192.73.26.0/23
US Headquarters, Usaisc
512 ARIN ALLOCATION
192.73.28.0/23
US Headquarters, Usaisc
512 ARIN ALLOCATION
192.86.112.0/21
US Headquarters, Usaisc
2,048 ARIN ALLOCATION
192.86.252.0/24
US Headquarters, Usaisc
256 ARIN ALLOCATION
192.101.132.0/23
US Dod Network Information Center
512 ARIN ALLOCATION
192.108.8.0/21
US Navy Network Information Center (nnic)
2,048 ARIN ALLOCATION
192.108.176.0/21
US Headquarters, Usaisc
2,048 ARIN ALLOCATION
192.111.116.0/23
US Navy Network Information Center (nnic)
512 ARIN ALLOCATION
192.129.64.0/22
US Headquarters, Usaisc
1,024 ARIN ALLOCATION
192.132.83.0/24
US Headquarters, Usaisc
256 ARIN ALLOCATION
192.138.24.0/21
US Dod Network Information Center
2,048 ARIN ALLOCATION
192.138.32.0/19
US Dod Network Information Center
8,192 ARIN ALLOCATION
192.138.64.0/20
US Dod Network Information Center
4,096 ARIN ALLOCATION
192.138.80.0/22
US Dod Network Information Center
1,024 ARIN ALLOCATION
192.153.132.0/22
US Headquarters, Usaisc
1,024 ARIN ALLOCATION
192.153.136.0/21
US Headquarters, Usaisc
2,048 ARIN ALLOCATION
192.153.144.0/21
US Headquarters, Usaisc
2,048 ARIN ALLOCATION
192.153.244.0/23
US Dod Network Information Center
512 ARIN ALLOCATION
192.156.0.0/18
US MARINE CORPS CYBERSPACE OPERATIONS GROUP
16,384 ARIN ALLOCATION
192.156.64.0/20
US MARINE CORPS CYBERSPACE OPERATIONS GROUP
4,096 ARIN REASSIGNMENT
192.156.80.0/23
US MARINE CORPS CYBERSPACE OPERATIONS GROUP
512 ARIN REASSIGNMENT
192.172.0.0/19
US Headquarters, Usaisc
8,192 ARIN ALLOCATION
192.187.4.0/22
US Navy Network Information Center (nnic)
1,024 ARIN ALLOCATION
192.188.204.0/22
US Headquarters, Usaisc
1,024 ARIN ALLOCATION
192.188.208.0/20
US Headquarters, Usaisc
4,096 ARIN ALLOCATION
192.240.128.0/20
US Dod Network Information Center
4,096 ARIN ALLOCATION
192.240.129.0/24
US Dod Network Information Center
256 ARIN ALLOCATION
192.240.144.0/22
US Dod Network Information Center
1,024 ARIN ALLOCATION
198.25.0.0/16
US Dod Network Information Center
65,536 ARIN ALLOCATION
198.25.0.0/24
US Dod Network Information Center
256 ARIN ALLOCATION
198.26.0.0/16
US Dod Network Information Center
65,536 ARIN ALLOCATION
198.49.184.0/21
US Headquarters, Usaisc
2,048 ARIN ALLOCATION
198.97.72.0/21
US Navy Network Information Center (nnic)
2,048 ARIN ALLOCATION
198.97.80.0/20
US Dod Network Information Center
4,096 ARIN ALLOCATION
198.97.96.0/19
US Dod Network Information Center
8,192 ARIN ALLOCATION
198.97.128.0/18
US Dod Network Information Center
16,384 ARIN ALLOCATION
198.97.192.0/20
US Headquarters, Usaisc
4,096 ARIN ALLOCATION
198.97.192.0/21
US Headquarters, Usaisc
2,048 ARIN ALLOCATION
198.97.240.0/20
US Dod Network Information Center
4,096 ARIN ALLOCATION
198.218.0.0/15
US Air Force Systems Networking
131,072 ARIN ALLOCATION
198.220.0.0/16
US Air Force Systems Networking
65,536 ARIN ALLOCATION
198.250.128.0/18
US Dod Network Information Center
16,384 ARIN ALLOCATION
198.250.192.0/18
US Dod Network Information Center
16,384 ARIN ALLOCATION
198.250.192.0/19
US Dod Network Information Center
8,192 ARIN ALLOCATION
198.250.224.0/20
US Dod Network Information Center
4,096 ARIN ALLOCATION
198.250.240.0/21
US Dod Network Information Center
2,048 ARIN ALLOCATION
199.9.64.0/18
US Dod Network Information Center
16,384 ARIN REASSIGNMENT
199.32.128.0/18
US Dod Network Information Center
16,384 ARIN ALLOCATION
199.57.0.0/16
US Dod Network Information Center
65,536 ARIN ALLOCATION
199.112.0.0/15
US Dod Network Information Center
131,072 ARIN ALLOCATION
199.114.32.0/20
US Headquarters, Usaisc
4,096 ARIN ALLOCATION
199.122.4.0/23
US Dod Network Information Center
512 ARIN ALLOCATION
199.122.32.0/20
US Headquarters, Usaisc
4,096 ARIN ALLOCATION
199.123.16.0/20
US Dod Network Information Center
4,096 ARIN ALLOCATION
199.123.72.0/21
US Headquarters, Usaisc
2,048 ARIN ALLOCATION
199.123.80.0/21
US Headquarters, Usaisc
2,048 ARIN ALLOCATION
199.123.91.0/24
US Headquarters, Usaisc
256 ARIN ALLOCATION
199.123.104.0/21
US Dod Network Information Center
2,048 ARIN ALLOCATION
199.123.112.0/21
US Dod Network Information Center
2,048 ARIN ALLOCATION
199.123.122.0/23
US Headquarters, Usaisc
512 ARIN ALLOCATION
199.124.16.0/21
US Headquarters, Usaisc
2,048 ARIN ALLOCATION
199.208.0.0/16
US Dod Network Information Center
65,536 ARIN ALLOCATION
199.209.0.0/16
US Dod Network Information Center
65,536 ARIN ALLOCATION
199.210.0.0/16
US Dod Network Information Center
65,536 ARIN ALLOCATION
199.211.64.0/18
US Dod Network Information Center
16,384 ARIN ALLOCATION
199.211.128.0/17
US Dod Network Information Center
32,768 ARIN ALLOCATION
199.211.176.0/20
US Dod Network Information Center
4,096 ARIN ALLOCATION
199.211.192.0/18
US Dod Network Information Center
16,384 ARIN ALLOCATION
199.225.0.0/20
US Dod Network Information Center
4,096 ARIN ALLOCATION
199.251.0.0/16
US Dod Network Information Center
65,536 ARIN ALLOCATION
199.252.32.0/20
US Dod Network Information Center
4,096 ARIN ALLOCATION
199.252.128.0/18
US Dod Network Information Center
16,384 ARIN ALLOCATION
199.252.143.0/24
US Dod Network Information Center
256 ARIN ALLOCATION
199.252.154.0/24
US Dod Network Information Center
256 ARIN ALLOCATION
199.252.155.0/24
US Dod Network Information Center
256 ARIN ALLOCATION
199.252.157.0/24
US Dod Network Information Center
256 ARIN ALLOCATION
199.252.162.0/24
US Dod Network Information Center
256 ARIN ALLOCATION
199.252.180.0/24
US Dod Network Information Center
256 ARIN ALLOCATION
204.34.0.0/16
US Dod Network Information Center
65,536 ARIN ALLOCATION
204.34.186.0/24
US Dod Network Information Center
256 ARIN ALLOCATION
204.37.8.0/21
US Dod Network Information Center
2,048 ARIN ALLOCATION
204.37.128.0/17
US Dod Network Information Center
32,768 ARIN ALLOCATION
204.208.0.0/16
US Headquarters, Usaisc
65,536 ARIN ALLOCATION
204.222.0.0/15
US Dod Network Information Center
131,072 ARIN ALLOCATION
205.56.0.0/13
US Navy Network Information Center (nnic)
524,288 ARIN ALLOCATION
205.56.162.0/24
US Navy Network Information Center (nnic)
256 ARIN ALLOCATION
205.64.0.0/11
US Navy Network Information Center (nnic)
2,097,152 ARIN ALLOCATION
205.69.238.0/24
US Navy Network Information Center (nnic)
256 ARIN ALLOCATION
205.96.0.0/13
US Navy Network Information Center (nnic)
524,288 ARIN ALLOCATION
205.104.0.0/15
US Navy Network Information Center (nnic)
131,072 ARIN ALLOCATION
205.106.0.0/15
US Navy Network Information Center (nnic)
131,072 ARIN ALLOCATION
205.108.0.0/15
US Navy Network Information Center (nnic)
131,072 ARIN ALLOCATION
205.110.0.0/16
US Navy Network Information Center (nnic)
65,536 ARIN ALLOCATION
205.115.0.0/16
US Navy Network Information Center (nnic)
65,536 ARIN ALLOCATION
206.37.0.0/16
US Dod Network Information Center
65,536 ARIN ALLOCATION
206.37.202.0/24
US Dod Network Information Center
256 ARIN ALLOCATION
206.38.0.0/16
US Dod Network Information Center
65,536 ARIN ALLOCATION
206.39.0.0/16
US Dod Network Information Center
65,536 ARIN ALLOCATION
207.132.0.0/15
US Dod Network Information Center
131,072 ARIN ALLOCATION
209.22.0.0/16
US Dod Network Information Center
65,536 ARIN ALLOCATION
214.0.0.0/8
US Dod Network Information Center
16,777,216 ARIN ALLOCATION
214.13.0.0/16
US Dod Network Information Center
65,536 ARIN ALLOCATION
215.0.0.0/9
US Dod Network Information Center
8,388,608 ARIN ALLOCATION
215.65.0.0/18
US Dod Network Information Center
16,384 ARIN ALLOCATION
215.67.59.0/24
US Dod Network Information Center
256 ARIN ALLOCATION
Prefix Organization Size Registry Status
2608:120::/32
US United States Department of Defense (dod)
7.9228× 1028 ARIN ALLOCATION
2608:121::/32
US United States Department of Defense (dod)
7.9228× 1028 ARIN ALLOCATION

Peers

AS721 actively fosters the following peering relationships that enhance network performance through direct, settlement-free traffic exchange. Even with a modest number of peers, each connection serves as a strategic asset—optimizing routing, reducing latency, and minimizing transit costs.

Upstreams

AS721 connects to the global Internet via at least 2 upstream providers. In this setup, AS721 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.

Downstreams

AS721 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS721's role in extending Internet access beyond its own infrastructure.

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