IP Tracker

AS1637

Headquarters, USAISC

USUnknown2026-10-01

Announced prefixes 113

6.16.88.0/246.16.89.0/246.134.24.0/22143.46.0.0/16143.46.5.0/24143.46.8.0/23143.46.10.0/24143.46.11.0/24143.46.12.0/24143.46.17.0/24143.46.18.0/24143.46.20.0/24143.46.21.0/24143.46.22.0/24143.46.23.0/24143.46.24.0/24143.46.25.0/24143.46.26.0/24143.46.27.0/24143.46.32.0/24143.46.33.0/24143.46.34.0/24143.46.35.0/24143.46.36.0/24143.46.37.0/24143.46.39.0/24143.46.48.0/24143.46.49.0/24143.46.50.0/24143.46.51.0/24143.46.53.0/24143.46.60.0/24143.46.110.0/24143.46.116.0/22143.46.120.0/22143.46.128.0/23143.46.130.0/23143.46.134.0/23143.46.140.0/24143.46.141.0/24143.46.142.0/24143.46.143.0/24143.46.144.0/24143.46.145.0/24143.46.146.0/24143.46.147.0/24143.46.150.0/24143.46.151.0/24143.46.158.0/24143.46.161.0/24143.46.164.0/22143.46.190.0/24143.46.210.0/24143.46.229.0/24143.46.240.0/24143.46.253.0/24143.68.152.0/21147.248.24.0/24155.5.0.0/16155.5.16.0/24155.5.17.0/24155.5.18.0/24155.5.20.0/24155.5.21.0/24155.5.32.0/24155.5.33.0/24155.5.35.0/24155.5.48.0/24155.5.116.0/24155.5.142.0/23155.6.0.0/16155.6.20.0/24155.6.21.0/24155.6.22.0/24155.6.23.0/24155.6.24.0/24155.6.25.0/24155.6.26.0/24155.6.27.0/24155.6.28.0/24155.6.29.0/24155.6.30.0/24155.6.31.0/24155.6.32.0/24155.6.33.0/24155.6.35.0/24155.6.37.0/24155.6.39.0/24155.6.40.0/24155.6.41.0/24155.6.42.0/24155.6.48.0/24155.6.51.0/24155.6.53.0/24155.6.55.0/24155.6.56.0/24155.6.57.0/24155.6.58.0/24155.6.98.0/24155.6.200.0/24155.6.210.0/24155.6.216.0/24155.6.217.0/24155.6.218.0/24155.6.219.0/24155.6.220.0/24155.6.243.0/24155.20.102.0/24155.20.103.0/24155.20.105.0/24155.28.3.0/24192.172.29.0/242608:c141:30::/48

Snapshot history

DateNameCountryClassPrefixes
2026-11-11Headquarters, USAISCUSUnknown114
2026-11-10Headquarters, USAISCUSUnknown114
2026-11-09Headquarters, USAISCUSUnknown114
2026-11-08Headquarters, USAISCUSUnknown114
2026-11-07Headquarters, USAISCUSUnknown114
2026-11-06Headquarters, USAISCUSUnknown113
2026-11-05Headquarters, USAISCUSUnknown114
2026-11-04Headquarters, USAISCUSUnknown115
2026-11-03Headquarters, USAISCUSUnknown114
2026-11-02Headquarters, USAISCUSUnknown114
2026-11-01Headquarters, USAISCUSUnknown114
2026-10-31Headquarters, USAISCUSUnknown114
2026-10-30Headquarters, USAISCUSUnknown114
2026-10-29Headquarters, USAISCUSUnknown114
2026-10-28Headquarters, USAISCUSUnknown114
2026-10-27Headquarters, USAISCUSUnknown114
2026-10-26Headquarters, USAISCUSUnknown114
2026-10-25Headquarters, USAISCUSUnknown114
2026-10-24Headquarters, USAISCUSUnknown114
2026-10-23Headquarters, USAISCUSUnknown114
2026-10-22Headquarters, USAISCUSUnknown114
2026-10-21Headquarters, USAISCUSUnknown114
2026-10-20Headquarters, USAISCUSUnknown114
2026-10-19Headquarters, USAISCUSUnknown113
2026-10-18Headquarters, USAISCUSUnknown113
2026-10-17Headquarters, USAISCUSUnknown113
2026-10-16Headquarters, USAISCUSUnknown113
2026-10-15Headquarters, USAISCUSUnknown113
2026-10-14Headquarters, USAISCUSUnknown113
2026-10-13Headquarters, USAISCUSUnknown112
2026-10-12Headquarters, USAISCUSUnknown112
2026-10-11Headquarters, USAISCUSUnknown112
2026-10-10Headquarters, USAISCUSUnknown112
2026-10-09Headquarters, USAISCUSUnknown112
2026-10-08Headquarters, USAISCUSUnknown112
2026-10-07Headquarters, USAISCUSUnknown112
2026-10-06Headquarters, USAISCUSUnknown112
2026-10-05Headquarters, USAISCUSUnknown112
2026-10-04Headquarters, USAISCUSUnknown112
2026-10-03Headquarters, USAISCUSUnknown112
2026-10-02Headquarters, USAISCUSUnknown112
2026-10-01Headquarters, USAISCUSUnknown113
2026-09-30Headquarters, USAISCUSUnknown114
2026-09-29Headquarters, USAISCUSUnknown112
2026-09-28Headquarters, USAISCUSUnknown112
2026-09-27Headquarters, USAISCUSUnknown112
2026-09-26Headquarters, USAISCUSUnknown112
2026-09-25Headquarters, USAISCUSUnknown112
2026-09-24Headquarters, USAISCUSUnknown113
2026-09-23Headquarters, USAISCUSUnknown113
2026-09-22Headquarters, USAISCUSUnknown114
2026-09-21Headquarters, USAISCUSUnknown114
2026-09-20Headquarters, USAISCUSUnknown114
2026-09-19Headquarters, USAISCUSUnknown114
2026-09-18Headquarters, USAISCUSUnknown114
2026-09-17Headquarters, USAISCUSUnknown114
2026-09-16Headquarters, USAISCUSUnknown114
2026-09-15Headquarters, USAISCUSUnknown114
2026-09-14Headquarters, USAISCUSUnknown114
2026-09-13Headquarters, USAISCUSUnknown114
2026-09-12Headquarters, USAISCUSUnknown114
2026-09-11Headquarters, USAISCUSUnknown115
2026-09-10Headquarters, USAISCUSUnknown115
2026-09-09Headquarters, USAISCUSUnknown115
2026-09-08Headquarters, USAISCUSUnknown115
2026-09-07Headquarters, USAISCUSUnknown115
2026-09-06Headquarters, USAISCUSUnknown115
2026-09-05Headquarters, USAISCUSUnknown115
2026-09-04Headquarters, USAISCUSUnknown115
2026-09-03Headquarters, USAISCUSUnknown115
2026-09-02Headquarters, USAISCUSUnknown116
2026-09-01Headquarters, USAISCUSUnknown115
2026-08-31Headquarters, USAISCUSUnknown115
2026-08-30Headquarters, USAISCUSUnknown116
2026-08-29Headquarters, USAISCUSUnknown114
2026-08-28Headquarters, USAISCUSUnknown114
2026-08-27Headquarters, USAISCUSUnknown114
2026-08-26Headquarters, USAISCUSUnknown115
2026-08-25Headquarters, USAISCUSUnknown116
2026-08-24Headquarters, USAISCUSUnknown116
2026-08-23Headquarters, USAISCUSUnknown116
2026-08-22Headquarters, USAISCUSUnknown113
2026-08-21Headquarters, USAISCUSUnknown113
2026-08-20Headquarters, USAISCUSUnknown115
2026-08-19Headquarters, USAISCUSUnknown114
2026-08-18Headquarters, USAISCUSUnknown114
2026-08-17Headquarters, USAISCUSUnknown114
2026-08-16Headquarters, USAISCUSUnknown116
2026-08-15Headquarters, USAISCUSUnknown117
2026-08-14Headquarters, USAISCUSUnknown117
2026-08-13Headquarters, USAISCUSUnknown117
2026-08-12Headquarters, USAISCUSUnknown117
2026-08-11Headquarters, USAISCUSUnknown117
2026-08-10Headquarters, USAISCUSUnknown117
2026-08-09Headquarters, USAISCUSUnknown117
2026-08-08Headquarters, USAISCUSUnknown117
2026-08-07Headquarters, USAISCUSUnknown117
2026-08-06Headquarters, USAISCUSUnknown117
2026-08-05Headquarters, USAISCUSUnknown131
2026-08-04Headquarters, USAISCUSUnknown118
2026-08-03Headquarters, USAISCUSUnknown123
2026-08-02Headquarters, USAISCUSUnknown123
2026-08-01Headquarters, USAISCUSUnknown123
2026-07-31Headquarters, USAISCUSUnknown125
2026-07-30Headquarters, USAISCUSUnknown125
2026-07-29Headquarters, USAISCUSUnknown124
2026-07-28Headquarters, USAISCUSUnknown124
2026-07-27Headquarters, USAISCUSUnknown124
2026-07-26Headquarters, USAISCUSUnknown124
2026-07-25Headquarters, USAISCUSUnknown124
2026-07-24Headquarters, USAISCUSUnknown124
2026-07-23Headquarters, USAISCUSUnknown124
2026-07-22Headquarters, USAISCUSUnknown124
2026-07-21Headquarters, USAISCUSUnknown124
2026-07-20Headquarters, USAISCUSUnknown124
2026-07-19Headquarters, USAISCUSUnknown124
2026-07-18Headquarters, USAISCUSUnknown139
2026-07-17Headquarters, USAISCUSUnknown124
2026-07-16Headquarters, USAISCUSUnknown124
2026-07-15Headquarters, USAISCUSUnknown124
2026-07-14Headquarters, USAISCUSUnknown124
2026-07-13Headquarters, USAISCUSUnknown124
2026-07-12Headquarters, USAISCUSUnknown124
2026-07-11Headquarters, USAISCUSUnknown124
2026-07-10Headquarters, USAISCUSUnknown121
2026-07-09Headquarters, USAISCUSUnknown123
2026-07-08Headquarters, USAISCUSUnknown123
2026-07-07Headquarters, USAISCUSUnknown123
2026-07-06Headquarters, USAISCUSUnknown123
2026-07-05Headquarters, USAISCUSUnknown123
2026-07-04Headquarters, USAISCUSUnknown123
2026-07-03Headquarters, USAISCUSUnknown123
2026-07-02Headquarters, USAISCUSUnknown123
2026-07-01Headquarters, USAISCUSUnknown124
2026-06-30Headquarters, USAISCUSUnknown124
2026-06-29Headquarters, USAISCUSUnknown123
2026-06-28Headquarters, USAISCUSUnknown123
2026-06-27Headquarters, USAISCUSUnknown123
2026-06-26Headquarters, USAISCUSUnknown123
2026-06-25Headquarters, USAISCUSUnknown123
2026-06-24Headquarters, USAISCUSUnknown123
2026-06-23Headquarters, USAISCUSUnknown123
2026-06-22Headquarters, USAISCUSUnknown123
2026-06-21Headquarters, USAISCUSUnknown123
2026-06-20Headquarters, USAISCUSUnknown123
2026-06-19Headquarters, USAISCUSUnknown124
2026-06-18Headquarters, USAISCUSUnknown124
2026-06-17Headquarters, USAISCUSUnknown123
2026-06-16Headquarters, USAISCUSUnknown123
2026-06-15Headquarters, USAISCUSUnknown123
2026-06-14Headquarters, USAISCUSUnknown123
2026-06-13Headquarters, USAISCUSUnknown123

IP-block changes

Open full filtered history →
ObservedBlockActionPrevious originsNew origins
2026-11-07155.20.109.0/24Acquired—AS1637
2026-11-06155.20.109.0/24ReleasedAS1637—
2026-11-05155.28.15.0/24ReleasedAS1516, AS1637—
2026-11-04155.28.15.0/24Acquired—AS1516, AS1637
2026-10-21155.5.49.0/24Acquired—AS1637
2026-10-21155.28.29.0/24ReleasedAS1516, AS1637—
2026-10-20155.28.29.0/24Acquired—AS1516, AS1637
2026-10-14155.20.109.0/24Acquired—AS1637
2026-10-02155.28.3.0/24ReleasedAS1637, AS1649—
2026-10-01155.28.3.0/24Acquired—AS1637, AS1649
2026-10-01155.28.17.0/24ReleasedAS1516, AS1637—
2026-10-01155.28.23.0/24ReleasedAS1516, AS1600, AS1637—
2026-09-30155.28.17.0/24Acquired—AS1516, AS1637
2026-09-30155.28.23.0/24Acquired—AS1516, AS1600, AS1637
2026-09-25143.46.245.0/24ReleasedAS1637—
2026-09-23155.20.109.0/24ReleasedAS1637—
2026-09-12143.46.224.0/24ReleasedAS1637—
2026-09-03155.28.31.0/24ReleasedAS1516, AS1637—
2026-09-02155.28.31.0/24Acquired—AS1516, AS1637
2026-08-31155.28.21.0/24ReleasedAS1516, AS1637—
2026-08-30155.28.21.0/24AcquiredAS1516AS1516, AS1637
2026-08-30192.172.29.0/24Acquired—AS1637
2026-08-27143.46.169.0/24ReleasedAS1637—
2026-08-27155.6.194.0/24ReleasedAS1637—
2026-08-27155.20.103.0/24Acquired—AS1637
2026-08-26143.46.193.0/24ReleasedAS1637—
2026-08-23143.46.245.0/24Acquired—AS1637
2026-08-23155.20.102.0/24Acquired—AS1637
2026-08-23155.20.105.0/24Acquired—AS1637
2026-08-21143.46.170.0/24ReleasedAS1637—
2026-08-21143.46.196.0/24ReleasedAS1637—
2026-08-20143.46.224.0/24Acquired—AS1637
2026-08-17155.20.102.0/24ReleasedAS1637—
2026-08-17155.20.105.0/24ReleasedAS1637—
2026-08-16155.20.103.0/24ReleasedAS1637—
2026-08-06144.105.15.0/24ReleasedAS1637AS1516
2026-08-06155.6.90.0/24ReleasedAS1637—
2026-08-06155.6.91.0/24ReleasedAS1637—
2026-08-06155.6.100.0/24ReleasedAS1637—
2026-08-06155.20.102.0/24Acquired—AS1637
2026-08-06155.20.103.0/24Acquired—AS1637
2026-08-06155.20.104.0/24ReleasedAS1637AS1516
2026-08-06155.20.108.0/24ReleasedAS1637AS1516
2026-08-06155.28.0.0/19ReleasedAS1637AS1516
2026-08-06155.28.2.0/24ReleasedAS1637AS1516
2026-08-06155.28.3.0/24ReleasedAS1637AS1516
2026-08-06155.28.7.0/24ReleasedAS1637AS1516
2026-08-06155.28.10.0/24ReleasedAS1637AS1516
2026-08-06155.28.14.0/24ReleasedAS1637AS1516
2026-08-06155.28.16.0/24ReleasedAS1637AS1516
Changes page 1Older changes →