BrowserScan
Join now
Home>AS721 ASN Details

ASN Details

AS721

United States · mail.mil

Summary

Country

United States

Website

mail.mil

Hosted domains

371

Number of IPv4

72,101,120

Number of IPv6

158,456,325,028,528,675,187,087,900,672

ASN type

Government

Registry

arin

Allocated

56 years ago on Jan 01, 1970

Updated

2 months ago on Sep 12, 2025

Included IP range

IP RangeCompanyNum of IPs
55.0.0.0/8Headquarters, USAISC16,777,216
214.0.0.0/8DoD Network Information Center16,777,216
215.0.0.0/9DoD Network Information Center8,388,608
132.0.0.0/10Air Force Systems Networking4,194,304
131.32.0.0/11Air Force Systems Networking2,097,152
132.96.0.0/11Headquarters, USAISC2,097,152
205.64.0.0/11Navy Network Information Center (NNIC)2,097,152
132.80.0.0/12Headquarters, USAISC1,048,576
132.128.0.0/12Headquarters, USAISC1,048,576
138.144.0.0/12DoD Network Information Center1,048,576
131.64.0.0/13DoD Network Information Center524,288
137.0.0.0/13Air Force Systems Networking524,288
138.136.0.0/13DoD Network Information Center524,288
143.144.0.0/13Air Force Systems Networking524,288
158.0.0.0/13DoD Network Information Center524,288
160.136.0.0/13Headquarters, USAISC524,288
160.144.0.0/13Headquarters, USAISC524,288
205.56.0.0/13Navy Network Information Center (NNIC)524,288
205.96.0.0/13Navy Network Information Center (NNIC)524,288
131.76.0.0/14DoD Network Information Center262,144
131.80.0.0/14DoD Network Information Center262,144
136.212.0.0/14DoD Network Information Center262,144
136.216.0.0/14Headquarters, USAISC262,144
137.8.0.0/14DoD Network Information Center262,144
137.240.0.0/14Air Force Systems Networking262,144
138.164.0.0/14DoD Network Information Center262,144
138.168.0.0/14MARINE CORPS CYBERSPACE OPERATIONS GROUP262,144
140.152.0.0/14DoD Network Information Center262,144
143.140.0.0/14Air Force Systems Networking262,144
144.100.0.0/14Headquarters, USAISC262,144
144.104.0.0/14Headquarters, USAISC262,144
153.24.0.0/14Air Force Systems Networking262,144
155.152.0.0/14Headquarters, USAISC262,144
155.216.0.0/14Headquarters, USAISC262,144
158.8.0.0/14DoD Network Information Center262,144
158.236.0.0/14MARINE CORPS CYBERSPACE OPERATIONS GROUP262,144
158.240.0.0/14MARINE CORPS CYBERSPACE OPERATIONS GROUP262,144
131.4.0.0/15Air Force Systems Networking131,072
131.74.0.0/15DoD Network Information Center131,072
131.86.0.0/15DoD Network Information Center131,072
136.220.0.0/15Headquarters, USAISC131,072
138.160.0.0/15DoD Network Information Center131,072
138.178.0.0/15Navy Network Information Center (NNIC)131,072
141.234.0.0/15DoD Network Information Center131,072
143.138.0.0/15Headquarters, USAISC131,072
143.156.0.0/15Air Force Systems Networking131,072
143.212.0.0/15Headquarters, USAISC131,072
144.104.0.0/15Headquarters, USAISC131,072
144.182.0.0/15DoD Network Information Center131,072
147.130.0.0/15Headquarters, USAISC131,072
147.216.0.0/15Headquarters, USAISC131,072
150.192.0.0/15Headquarters, USAISC131,072
153.24.0.0/15Air Force Systems Networking131,072
155.8.0.0/15Headquarters, USAISC131,072
155.150.0.0/15Headquarters, USAISC131,072
155.214.0.0/15Headquarters, USAISC131,072
158.14.0.0/15Headquarters, USAISC131,072
160.126.0.0/15DoD Network Information Center131,072
160.132.0.0/15Headquarters, USAISC131,072
164.230.0.0/15DoD Network Information Center131,072
198.218.0.0/15Air Force Systems Networking131,072
199.112.0.0/15DoD Network Information Center131,072
204.222.0.0/15DoD Network Information Center131,072
205.104.0.0/15Navy Network Information Center (NNIC)131,072
205.106.0.0/15Navy Network Information Center (NNIC)131,072
205.108.0.0/15Navy Network Information Center (NNIC)131,072
207.132.0.0/15DoD Network Information Center131,072
130.22.0.0/16DoD Network Information Center65,536
131.16.0.0/16Air Force Systems Networking65,536
131.73.0.0/16DoD Network Information Center65,536
131.86.0.0/16DoD Network Information Center65,536
131.87.0.0/16DoD Network Information Center65,536
134.80.0.0/16Headquarters, USAISC65,536
134.135.0.0/16DoD Network Information Center65,536
134.233.0.0/16Headquarters, USAISC65,536
134.235.0.0/16Headquarters, USAISC65,536
137.209.0.0/16DoD Network Information Center65,536
138.50.0.0/16Headquarters, USAISC65,536
138.178.0.0/16Navy Network Information Center (NNIC)65,536
138.180.0.0/16Navy Network Information Center (NNIC)65,536
139.139.0.0/16Headquarters, USAISC65,536
139.241.0.0/16DoD Network Information Center65,536
140.1.0.0/16DoD Network Information Center65,536
140.21.0.0/16DoD Network Information Center65,536
140.201.0.0/16Headquarters, USAISC65,536
143.69.0.0/16Headquarters, USAISC65,536
143.73.0.0/16Headquarters, USAISC65,536
143.74.0.0/16Headquarters, USAISC65,536
143.76.0.0/16Headquarters, USAISC65,536
143.81.0.0/16Headquarters, USAISC65,536
143.83.0.0/16Headquarters, USAISC65,536
143.84.0.0/16Headquarters, USAISC65,536
143.85.0.0/16Headquarters, USAISC65,536
144.109.0.0/16Headquarters, USAISC65,536
144.170.0.0/16Headquarters, USAISC65,536
153.23.0.0/16Air Force Systems Networking65,536
153.26.0.0/16Air Force Systems Networking65,536
153.29.0.0/16Air Force Systems Networking65,536
155.7.0.0/16DoD Network Information Center65,536
155.155.0.0/16Headquarters, USAISC65,536
155.252.0.0/16Navy Network Information Center (NNIC)65,536
159.77.0.0/16DoD Network Information Center65,536
164.87.0.0/16DoD Network Information Center65,536
164.236.0.0/16DoD Network Information Center65,536
198.25.0.0/16DoD Network Information Center65,536
198.26.0.0/16DoD Network Information Center65,536
198.220.0.0/16Air Force Systems Networking65,536
199.57.0.0/16DoD Network Information Center65,536
199.208.0.0/16DoD Network Information Center65,536
199.209.0.0/16DoD Network Information Center65,536
199.251.0.0/16DoD Network Information Center65,536
204.34.0.0/16DoD Network Information Center65,536
204.208.0.0/16Headquarters, USAISC65,536
205.110.0.0/16Navy Network Information Center (NNIC)65,536
205.115.0.0/16Navy Network Information Center (NNIC)65,536
206.37.0.0/16DoD Network Information Center65,536
206.38.0.0/16DoD Network Information Center65,536
206.39.0.0/16DoD Network Information Center65,536
209.22.0.0/16DoD Network Information Center65,536
214.13.0.0/16DoD Network Information Center65,536
214.40.0.0/16DoD Network Information Center65,536
143.81.0.0/17Headquarters, USAISC32,768
143.81.128.0/17Headquarters, USAISC32,768
153.29.0.0/17Air Force Systems Networking32,768
153.29.128.0/17Air Force Systems Networking32,768
199.211.128.0/17DoD Network Information Center32,768
204.37.128.0/17DoD Network Information Center32,768
140.35.64.0/18DoD Network Information Center16,384
143.85.0.0/18Headquarters, USAISC16,384
143.85.64.0/18Headquarters, USAISC16,384
143.85.128.0/18Headquarters, USAISC16,384
143.85.192.0/18Headquarters, USAISC16,384
192.156.0.0/18MARINE CORPS CYBERSPACE OPERATIONS GROUP16,384
198.97.128.0/18Headquarters, USAISC16,384
198.250.128.0/18DoD Network Information Center16,384
198.250.192.0/18DoD Network Information Center16,384
199.9.64.0/18DoD Network Information Center16,384
199.32.128.0/18DoD Network Information Center16,384
199.211.64.0/18DoD Network Information Center16,384
199.211.192.0/18DoD Network Information Center16,384
199.252.128.0/18DoD Network Information Center16,384
215.65.0.0/18DoD Network Information Center16,384
155.21.192.0/19Headquarters, USAISC8,192
192.138.32.0/19DoD Network Information Center8,192
192.172.0.0/19DoD Network Information Center8,192
198.97.96.0/19DoD Network Information Center8,192
198.250.192.0/19DoD Network Information Center8,192
192.138.64.0/20DoD Network Information Center4,096
192.156.64.0/20MARINE CORPS CYBERSPACE OPERATIONS GROUP4,096
192.188.208.0/20Headquarters, USAISC4,096
192.240.128.0/20DoD Network Information Center4,096
198.97.192.0/20Headquarters, USAISC4,096
198.97.240.0/20DoD Network Information Center4,096
198.250.224.0/20DoD Network Information Center4,096
199.114.32.0/20Headquarters, USAISC4,096
199.122.32.0/20Headquarters, USAISC4,096
199.211.176.0/20DoD Network Information Center4,096
199.225.0.0/20DoD Network Information Center4,096
199.252.32.0/20DoD Network Information Center4,096
192.86.112.0/21Headquarters, USAISC2,048
192.86.232.0/21Headquarters, USAISC2,048
192.108.8.0/21Navy Network Information Center (NNIC)2,048
192.108.176.0/21Headquarters, USAISC2,048
192.138.24.0/21DoD Network Information Center2,048
192.153.136.0/21Headquarters, USAISC2,048
192.153.144.0/21Headquarters, USAISC2,048
198.49.184.0/21Headquarters, USAISC2,048
198.97.72.0/21Navy Network Information Center (NNIC)2,048
198.97.192.0/21Headquarters, USAISC2,048
198.154.8.0/21Air Force Systems Networking2,048
198.250.240.0/21DoD Network Information Center2,048
199.122.56.0/21Headquarters, USAISC2,048
199.123.72.0/21Headquarters, USAISC2,048
199.123.80.0/21Headquarters, USAISC2,048
199.123.104.0/21DoD Network Information Center2,048
199.124.16.0/21Headquarters, USAISC2,048
204.37.8.0/21DoD Network Information Center2,048
192.129.64.0/22Headquarters, USAISC1,024
192.138.80.0/22DoD Network Information Center1,024
192.153.132.0/22Headquarters, USAISC1,024
192.187.4.0/22Navy Network Information Center (NNIC)1,024
192.240.144.0/22DoD Network Information Center1,024
198.154.72.0/22DoD Network Information Center1,024
6.16.172.0/23Headquarters, USAISC512
143.86.204.0/23Headquarters, USAISC512
146.55.22.0/23Headquarters, USAISC512
155.29.48.0/23Headquarters, USAISC512
155.29.166.0/23Headquarters, USAISC512
156.112.148.0/23DoD Network Information Center512
192.73.26.0/23Headquarters, USAISC512
192.73.28.0/23Headquarters, USAISC512
192.101.132.0/23DoD Network Information Center512
192.111.116.0/23Navy Network Information Center (NNIC)512
192.132.84.0/23Headquarters, USAISC512
192.153.244.0/23DoD Network Information Center512
192.156.80.0/23MARINE CORPS CYBERSPACE OPERATIONS GROUP512
199.122.4.0/23DoD Network Information Center512
199.123.122.0/23Headquarters, USAISC512
6.16.174.0/24Headquarters, USAISC256
6.64.181.0/24Headquarters, USAISC256
131.78.3.0/24DoD Network Information Center256
131.78.204.0/24DoD Network Information Center256
138.162.5.0/24Navy Network Information Center (NNIC)256
140.13.73.0/24DoD Network Information Center256
140.14.35.0/24DoD Network Information Center256
140.14.37.0/24DoD Network Information Center256
140.14.39.0/24DoD Network Information Center256
140.14.41.0/24DoD Network Information Center256
140.14.43.0/24DoD Network Information Center256
140.14.45.0/24DoD Network Information Center256
140.14.47.0/24DoD Network Information Center256
140.14.49.0/24DoD Network Information Center256
140.14.51.0/24DoD Network Information Center256
140.14.53.0/24DoD Network Information Center256
140.153.72.0/24Headquarters, USAISC256
143.81.103.0/24Headquarters, USAISC256
143.86.176.0/24Headquarters, USAISC256
144.251.43.0/24DoD Network Information Center256
146.55.124.0/24Headquarters, USAISC256
146.55.127.0/24Headquarters, USAISC256
192.41.202.0/24DoD Network Information Center256
192.42.41.0/24Navy Network Information Center (NNIC)256
192.86.252.0/24Headquarters, USAISC256
192.132.83.0/24Headquarters, USAISC256
192.240.129.0/24DoD Network Information Center256
198.25.0.0/24DoD Network Information Center256
199.123.91.0/24Headquarters, USAISC256
199.252.143.0/24DoD Network Information Center256
199.252.154.0/24DoD Network Information Center256
199.252.155.0/24DoD Network Information Center256
199.252.157.0/24DoD Network Information Center256
199.252.162.0/24DoD Network Information Center256
199.252.180.0/24DoD Network Information Center256
204.34.186.0/24DoD Network Information Center256
205.56.162.0/24Navy Network Information Center (NNIC)256
205.69.238.0/24Navy Network Information Center (NNIC)256
206.37.202.0/24DoD Network Information Center256
215.67.59.0/24DoD Network Information Center256
2608:120::/32United States Department of Defense (DoD)
2608:121::/32United States Department of Defense (DoD)

Hosted Domains

IPDomainDomain on this IP
55.55.55.55██████████17
55.22.145.238██████████8
55.223.52.2██████████7
136.213.40.36██████████7
55.84.55.102██████████7
131.57.48.17█████████6
55.200.197.31██████████6
55.141.72.18██████████4
55.2.31.17██████████4
55.76.177.85██████████4

WHOIS Information

                                                ASHandle:       AS721
                                                OrgID:          AS721
                                                ASName:         AS721
                                                ASNumber:       AS721
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

同行

PeersName
AS27064United States Department of Defense (DoD)
AS27065United States Department of Defense (DoD)
AS27066United States Department of Defense (DoD)
AS3356Level 3 Parent, LLC