IP Tracker

AS721

United States Department of Defense (DoD)

USCarrier2026-09-18

Announced prefixes 243

6.16.172.0/236.16.174.0/246.64.181.0/2455.0.0.0/8130.22.0.0/16131.4.0.0/15131.16.0.0/16131.32.0.0/11131.64.0.0/13131.73.0.0/16131.74.0.0/15131.76.0.0/14131.78.3.0/24131.78.204.0/24131.80.0.0/14131.86.0.0/15131.86.0.0/16131.87.0.0/16132.0.0.0/10132.80.0.0/12132.96.0.0/11132.128.0.0/12134.80.0.0/16134.135.0.0/16134.233.0.0/16134.235.0.0/16136.212.0.0/14136.216.0.0/14136.220.0.0/15137.0.0.0/13137.8.0.0/14137.209.0.0/16137.240.0.0/14138.50.0.0/16138.136.0.0/13138.144.0.0/12138.160.0.0/15138.162.5.0/24138.164.0.0/14138.168.0.0/14138.178.0.0/15138.178.0.0/16138.180.0.0/16139.139.0.0/16139.241.0.0/16139.244.1.0/24139.244.2.0/24139.244.4.0/24139.244.7.0/24140.13.73.0/24140.14.35.0/24140.14.37.0/24140.14.39.0/24140.14.41.0/24140.14.43.0/24140.14.45.0/24140.14.47.0/24140.14.49.0/24140.14.51.0/24140.14.53.0/24140.21.0.0/16140.35.64.0/18140.152.0.0/14140.153.72.0/24140.201.0.0/16141.234.0.0/15143.69.0.0/16143.73.0.0/16143.74.0.0/16143.76.0.0/16143.81.0.0/16143.81.0.0/17143.81.103.0/24143.81.128.0/17143.83.0.0/16143.84.0.0/16143.85.0.0/16143.85.0.0/18143.85.64.0/18143.85.128.0/18143.85.192.0/18143.86.176.0/24143.86.204.0/23143.138.0.0/15143.140.0.0/14143.144.0.0/13143.156.0.0/15143.212.0.0/15144.100.0.0/14144.104.0.0/14144.104.0.0/15144.109.0.0/16144.170.0.0/16144.182.0.0/15144.251.43.0/24146.55.22.0/23146.55.124.0/24146.55.127.0/24147.130.0.0/15147.216.0.0/15148.48.0.0/15150.192.0.0/15153.23.0.0/16153.24.0.0/14153.24.0.0/15153.26.0.0/16153.29.0.0/16153.29.0.0/17153.29.128.0/17155.7.0.0/16155.8.0.0/15155.21.192.0/19155.29.48.0/23155.29.166.0/23155.150.0.0/15155.152.0.0/14155.155.0.0/16155.214.0.0/15155.216.0.0/14155.252.0.0/16156.112.148.0/23158.0.0.0/13158.8.0.0/14158.14.0.0/15158.236.0.0/14158.240.0.0/14159.77.0.0/16160.126.0.0/15160.132.0.0/15160.136.0.0/13160.144.0.0/13164.87.0.0/16164.230.0.0/15164.236.0.0/16192.41.202.0/24192.42.41.0/24192.73.26.0/23192.73.28.0/23192.86.112.0/21192.86.232.0/21192.86.252.0/24192.101.132.0/23192.108.8.0/21192.108.176.0/21192.111.116.0/23192.129.64.0/22192.132.83.0/24192.132.84.0/23192.138.24.0/21192.138.64.0/20192.138.80.0/22192.153.132.0/22192.153.136.0/21192.153.144.0/21192.153.244.0/23192.156.0.0/18192.156.64.0/20192.156.80.0/23192.172.0.0/19192.187.4.0/22192.188.208.0/20192.240.128.0/20192.240.129.0/24192.240.144.0/22198.25.0.0/16198.25.0.0/24198.26.0.0/16198.49.184.0/21198.97.72.0/21198.97.96.0/19198.97.128.0/18198.97.192.0/20198.97.192.0/21198.97.240.0/20198.154.8.0/21198.154.72.0/22198.218.0.0/15198.220.0.0/16198.250.128.0/18198.250.192.0/18198.250.192.0/19198.250.224.0/20198.250.240.0/21199.9.64.0/18199.32.128.0/18199.57.0.0/16199.112.0.0/15199.114.32.0/20199.122.4.0/23199.122.32.0/20199.122.56.0/21199.123.72.0/21199.123.80.0/21199.123.91.0/24199.123.104.0/21199.123.122.0/23199.124.16.0/21199.208.0.0/16199.209.0.0/16199.211.64.0/18199.211.128.0/17199.211.176.0/20199.211.192.0/18199.225.0.0/20199.251.0.0/16199.252.32.0/20199.252.48.0/22199.252.128.0/18199.252.143.0/24199.252.154.0/24199.252.155.0/24199.252.157.0/24199.252.162.0/24199.252.180.0/24204.34.0.0/16204.34.186.0/24204.37.8.0/21204.37.128.0/17204.208.0.0/16204.222.0.0/15205.56.0.0/13205.56.162.0/24205.64.0.0/11205.69.238.0/24205.96.0.0/13205.104.0.0/15205.106.0.0/15205.108.0.0/15205.110.0.0/16205.115.0.0/16206.37.0.0/16206.37.202.0/24206.38.0.0/16206.39.0.0/16207.132.0.0/15209.22.0.0/16214.0.0.0/8214.40.0.0/16215.0.0.0/9215.65.0.0/18215.67.59.0/242608:120::/322608:121::/32

Snapshot history

DateNameCountryClassPrefixes
2026-11-11United States Department of Defense (DoD)USCarrier241
2026-11-10United States Department of Defense (DoD)USCarrier241
2026-11-09United States Department of Defense (DoD)USCarrier242
2026-11-08United States Department of Defense (DoD)USCarrier242
2026-11-07United States Department of Defense (DoD)USCarrier242
2026-11-06United States Department of Defense (DoD)USCarrier242
2026-11-05United States Department of Defense (DoD)USCarrier242
2026-11-04United States Department of Defense (DoD)USCarrier242
2026-11-03United States Department of Defense (DoD)USCarrier241
2026-11-02United States Department of Defense (DoD)USCarrier239
2026-11-01United States Department of Defense (DoD)USCarrier239
2026-10-31United States Department of Defense (DoD)USCarrier241
2026-10-30United States Department of Defense (DoD)USCarrier241
2026-10-29United States Department of Defense (DoD)USCarrier241
2026-10-28United States Department of Defense (DoD)USCarrier241
2026-10-27United States Department of Defense (DoD)USCarrier241
2026-10-26United States Department of Defense (DoD)USCarrier240
2026-10-25United States Department of Defense (DoD)USCarrier240
2026-10-24United States Department of Defense (DoD)USCarrier240
2026-10-23United States Department of Defense (DoD)USCarrier238
2026-10-22United States Department of Defense (DoD)USCarrier240
2026-10-21United States Department of Defense (DoD)USCarrier240
2026-10-20United States Department of Defense (DoD)USCarrier240
2026-10-19United States Department of Defense (DoD)USCarrier240
2026-10-18United States Department of Defense (DoD)USCarrier240
2026-10-17United States Department of Defense (DoD)USCarrier240
2026-10-16United States Department of Defense (DoD)USCarrier240
2026-10-15United States Department of Defense (DoD)USCarrier240
2026-10-14United States Department of Defense (DoD)USCarrier239
2026-10-13United States Department of Defense (DoD)USCarrier239
2026-10-12United States Department of Defense (DoD)USCarrier239
2026-10-11United States Department of Defense (DoD)USCarrier239
2026-10-10United States Department of Defense (DoD)USCarrier239
2026-10-09United States Department of Defense (DoD)USCarrier239
2026-10-08United States Department of Defense (DoD)USCarrier239
2026-10-07United States Department of Defense (DoD)USCarrier242
2026-10-06United States Department of Defense (DoD)USCarrier242
2026-10-05United States Department of Defense (DoD)USCarrier242
2026-10-04United States Department of Defense (DoD)USCarrier242
2026-10-03United States Department of Defense (DoD)USCarrier243
2026-10-02United States Department of Defense (DoD)USCarrier243
2026-10-01United States Department of Defense (DoD)USCarrier243
2026-09-30United States Department of Defense (DoD)USCarrier242
2026-09-29United States Department of Defense (DoD)USCarrier243
2026-09-28United States Department of Defense (DoD)USCarrier243
2026-09-27United States Department of Defense (DoD)USCarrier243
2026-09-26United States Department of Defense (DoD)USCarrier243
2026-09-25United States Department of Defense (DoD)USCarrier242
2026-09-24United States Department of Defense (DoD)USCarrier242
2026-09-23United States Department of Defense (DoD)USCarrier241
2026-09-22United States Department of Defense (DoD)USCarrier242
2026-09-21United States Department of Defense (DoD)USCarrier243
2026-09-20United States Department of Defense (DoD)USCarrier243
2026-09-19United States Department of Defense (DoD)USCarrier243
2026-09-18United States Department of Defense (DoD)USCarrier243
2026-09-17United States Department of Defense (DoD)USCarrier241
2026-09-16United States Department of Defense (DoD)USCarrier244
2026-09-15United States Department of Defense (DoD)USCarrier244
2026-09-14United States Department of Defense (DoD)USCarrier244
2026-09-13United States Department of Defense (DoD)USCarrier244
2026-09-12United States Department of Defense (DoD)USCarrier244
2026-09-11United States Department of Defense (DoD)USCarrier244
2026-09-10United States Department of Defense (DoD)USCarrier244
2026-09-09United States Department of Defense (DoD)USCarrier244
2026-09-08United States Department of Defense (DoD)USCarrier244
2026-09-07United States Department of Defense (DoD)USCarrier244
2026-09-06United States Department of Defense (DoD)USCarrier244
2026-09-05United States Department of Defense (DoD)USCarrier244
2026-09-04United States Department of Defense (DoD)USCarrier244
2026-09-03United States Department of Defense (DoD)USCarrier244
2026-09-02United States Department of Defense (DoD)USCarrier244
2026-09-01United States Department of Defense (DoD)USCarrier244
2026-08-31United States Department of Defense (DoD)USCarrier244
2026-08-30United States Department of Defense (DoD)USCarrier244
2026-08-29United States Department of Defense (DoD)USCarrier244
2026-08-28United States Department of Defense (DoD)USCarrier244
2026-08-27United States Department of Defense (DoD)USCarrier244
2026-08-26United States Department of Defense (DoD)USCarrier242
2026-08-25United States Department of Defense (DoD)USCarrier240
2026-08-24United States Department of Defense (DoD)USCarrier240
2026-08-23United States Department of Defense (DoD)USCarrier240
2026-08-22United States Department of Defense (DoD)USCarrier239
2026-08-21United States Department of Defense (DoD)USCarrier239
2026-08-20United States Department of Defense (DoD)USCarrier240
2026-08-19United States Department of Defense (DoD)USCarrier239
2026-08-18United States Department of Defense (DoD)USCarrier239
2026-08-17United States Department of Defense (DoD)USCarrier238
2026-08-16United States Department of Defense (DoD)USCarrier238
2026-08-15United States Department of Defense (DoD)USCarrier239
2026-08-14United States Department of Defense (DoD)USCarrier239
2026-08-13United States Department of Defense (DoD)USCarrier239
2026-08-12United States Department of Defense (DoD)USCarrier239
2026-08-11United States Department of Defense (DoD)USCarrier239
2026-08-10United States Department of Defense (DoD)USCarrier239
2026-08-09United States Department of Defense (DoD)USCarrier239
2026-08-08United States Department of Defense (DoD)USCarrier239
2026-08-07United States Department of Defense (DoD)USCarrier239
2026-08-06United States Department of Defense (DoD)USCarrier239
2026-08-05United States Department of Defense (DoD)USCarrier239
2026-08-04United States Department of Defense (DoD)USCarrier239
2026-08-03United States Department of Defense (DoD)USCarrier239
2026-08-02United States Department of Defense (DoD)USCarrier239
2026-08-01United States Department of Defense (DoD)USCarrier238
2026-07-31United States Department of Defense (DoD)USCarrier239
2026-07-30United States Department of Defense (DoD)USCarrier239
2026-07-29United States Department of Defense (DoD)USCarrier239
2026-07-28United States Department of Defense (DoD)USCarrier239
2026-07-27United States Department of Defense (DoD)USCarrier239
2026-07-26United States Department of Defense (DoD)USCarrier239
2026-07-25United States Department of Defense (DoD)USCarrier239
2026-07-24United States Department of Defense (DoD)USCarrier239
2026-07-23United States Department of Defense (DoD)USCarrier239
2026-07-22United States Department of Defense (DoD)USCarrier239
2026-07-21United States Department of Defense (DoD)USCarrier238
2026-07-20United States Department of Defense (DoD)USCarrier239
2026-07-19United States Department of Defense (DoD)USCarrier239
2026-07-18United States Department of Defense (DoD)USCarrier236
2026-07-17United States Department of Defense (DoD)USCarrier239
2026-07-16United States Department of Defense (DoD)USCarrier239
2026-07-15United States Department of Defense (DoD)USCarrier239
2026-07-14United States Department of Defense (DoD)USCarrier239
2026-07-13United States Department of Defense (DoD)USCarrier239
2026-07-12United States Department of Defense (DoD)USCarrier238
2026-07-11United States Department of Defense (DoD)USCarrier237
2026-07-10United States Department of Defense (DoD)USCarrier239
2026-07-09United States Department of Defense (DoD)USCarrier239
2026-07-08United States Department of Defense (DoD)USCarrier239
2026-07-07United States Department of Defense (DoD)USCarrier239
2026-07-06United States Department of Defense (DoD)USCarrier239
2026-07-05United States Department of Defense (DoD)USCarrier239
2026-07-04United States Department of Defense (DoD)USCarrier239
2026-07-03United States Department of Defense (DoD)USCarrier239
2026-07-02United States Department of Defense (DoD)USCarrier239
2026-07-01United States Department of Defense (DoD)USCarrier239
2026-06-30United States Department of Defense (DoD)USCarrier239
2026-06-29United States Department of Defense (DoD)USCarrier239
2026-06-28United States Department of Defense (DoD)USCarrier239
2026-06-27United States Department of Defense (DoD)USCarrier239
2026-06-26United States Department of Defense (DoD)USCarrier239
2026-06-25United States Department of Defense (DoD)USCarrier239
2026-06-24United States Department of Defense (DoD)USCarrier239
2026-06-23United States Department of Defense (DoD)USCarrier239
2026-06-22United States Department of Defense (DoD)USCarrier239
2026-06-21United States Department of Defense (DoD)USCarrier239
2026-06-20United States Department of Defense (DoD)USCarrier239
2026-06-19United States Department of Defense (DoD)USCarrier239
2026-06-18United States Department of Defense (DoD)USCarrier239
2026-06-17United States Department of Defense (DoD)USCarrier239
2026-06-16United States Department of Defense (DoD)USCarrier239
2026-06-15United States Department of Defense (DoD)USCarrier239
2026-06-14United States Department of Defense (DoD)USCarrier239
2026-06-13United States Department of Defense (DoD)USCarrier239

IP-block changes

Open full filtered history →
ObservedBlockActionPrevious originsNew origins
2026-11-10205.115.0.0/16ReleasedAS721—
2026-11-06131.78.3.0/24Origin set changedAS721, AS27046AS721
2026-11-05131.78.3.0/24Origin set changedAS721AS721, AS27046
2026-11-04155.29.138.0/24AcquiredAS367AS721
2026-11-03198.97.192.0/20Acquired—AS721
2026-11-03198.97.192.0/21Acquired—AS721
2026-11-01198.97.192.0/20ReleasedAS721—
2026-11-01198.97.192.0/21ReleasedAS721—
2026-10-28140.14.49.0/24Origin set changedAS721AS721, AS27065
2026-10-28140.14.51.0/24Origin set changedAS721AS721, AS27065
2026-10-27139.244.5.0/24AcquiredAS27064AS721
2026-10-246.64.181.0/24Acquired—AS721
2026-10-24139.244.4.0/24AcquiredAS27064AS721
2026-10-236.64.181.0/24ReleasedAS721—
2026-10-23139.244.4.0/24ReleasedAS721AS27064
2026-10-15199.57.0.0/16Acquired—AS721
2026-10-08192.41.202.0/24ReleasedAS721—
2026-10-08199.57.0.0/16ReleasedAS721—
2026-10-08199.211.64.0/18ReleasedAS721—
2026-10-04144.170.0.0/16ReleasedAS721—
2026-10-01131.78.3.0/24Origin set changedAS721, AS27046AS721
2026-10-01139.244.4.0/24AcquiredAS27064AS721
2026-10-01140.14.45.0/24Origin set changedAS721AS721, AS27066
2026-09-30131.78.3.0/24Origin set changedAS721AS721, AS27046
2026-09-30139.244.4.0/24ReleasedAS721AS27064
2026-09-26192.42.41.0/24Acquired—AS721
2026-09-25140.14.45.0/24Origin set changedAS721, AS27066AS721
2026-09-25140.14.53.0/24Origin set changedAS721, AS27064AS721
2026-09-24139.244.1.0/24Origin set changedAS721, AS27064AS721
2026-09-242608:120::/32Acquired—AS721
2026-09-23139.244.1.0/24Origin set changedAS721AS721, AS27064
2026-09-232608:120::/32ReleasedAS721—
2026-09-22192.42.41.0/24ReleasedAS721—
2026-09-18139.244.1.0/24Acquired—AS721
2026-09-182608:120::/32Acquired—AS721
2026-09-17139.244.1.0/24ReleasedAS721—
2026-09-17140.1.0.0/16ReleasedAS721—
2026-09-172608:120::/32ReleasedAS721—
2026-09-16199.252.155.0/24Origin set changedAS721AS721, AS5927
2026-09-15199.252.155.0/24Origin set changedAS721, AS5927AS721
2026-09-10140.14.37.0/24Origin set changedAS721AS721, AS27064
2026-09-10140.14.43.0/24Origin set changedAS721, AS27064AS721
2026-08-27139.244.1.0/24Acquired—AS721
2026-08-27139.244.7.0/24AcquiredAS27066AS721
2026-08-26139.244.2.0/24Acquired—AS721
2026-08-26139.244.4.0/24Acquired—AS721
2026-08-23199.252.48.0/22Acquired—AS721
2026-08-22140.14.35.0/24Origin set changedAS721, AS27064AS721
2026-08-21136.210.0.0/16ReleasedAS721AS1555
2026-08-20136.210.0.0/16AcquiredAS1555AS721
Changes page 1Older changes →