IP Tracker

AS3257

GTT Communications Inc.

UST12026-07-28

Announced prefixes 1000+

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4167.148.127.0/24167.160.55.0/24167.160.56.0/21167.246.58.0/24168.245.240.0/20170.83.236.0/22170.200.250.0/24170.231.250.0/24171.25.216.0/24172.120.26.0/24172.121.109.0/24172.121.141.0/24172.121.156.0/24172.121.162.0/24172.121.163.0/24172.121.164.0/24172.121.165.0/24172.121.166.0/24172.121.167.0/24172.121.168.0/24172.121.169.0/24172.121.192.0/19172.121.232.0/24172.121.236.0/22173.0.112.0/20173.44.189.0/24173.44.234.0/24173.44.245.0/24173.205.0.0/17173.205.21.0/24173.205.34.0/24173.232.9.0/24173.232.21.0/24173.232.61.0/24173.232.243.0/24173.232.253.0/24173.232.255.0/24173.241.128.0/20173.244.112.0/20176.117.60.0/24176.124.254.0/23176.126.74.0/24176.126.77.0/24178.92.131.0/24178.92.133.0/24178.92.148.0/24178.92.155.0/24178.93.244.0/24178.94.128.0/21178.95.116.0/22178.175.176.0/22178.239.116.0/24178.253.224.0/24179.61.163.0/24181.214.8.0/24181.214.186.0/24181.214.206.0/24183.182.80.0/22185.3.30.0/23185.3.72.0/22185.4.164.0/22185.15.224.0/24185.15.226.0/24185.15.227.0/24185.19.100.0/22185.25.220.0/22185.33.164.0/23185.33.166.0/23185.39.76.0/24185.49.80.0/22185.53.236.0/22185.68.176.0/22185.76.30.0/23185.82.160.0/23185.84.217.0/24185.94.124.0/24185.135.190.0/24185.155.164.0/22185.160.40.0/22185.168.163.0/24185.196.74.0/24185.201.224.0/24185.201.225.0/24185.203.8.0/22185.214.166.0/24185.228.192.0/22185.232.6.0/23185.239.212.0/22185.255.0.0/24188.220.43.0/24188.221.73.0/24188.221.78.0/24188.221.87.0/24188.221.238.0/24188.221.250.0/24188.240.14.0/24188.246.216.0/21190.151.58.0/24191.96.48.0/24192.16.202.0/24192.36.98.0/24192.54.104.0/24192.64.251.0/24192.67.190.0/23192.67.192.0/22192.67.196.0/24192.71.157.0/24192.83.254.0/23192.92.112.0/24192.101.145.0/24192.129.32.0/23192.129.36.0/24192.129.43.0/24192.129.44.0/24192.129.46.0/23192.129.48.0/23192.129.54.0/24192.129.56.0/23192.209.20.0/22193.0.158.0/24193.0.255.0/24193.3.62.0/24193.16.20.0/24193.16.21.0/24193.17.185.0/24193.17.186.0/24193.24.109.0/24193.24.127.0/24193.31.248.0/24193.31.249.0/24193.31.250.0/24193.33.72.0/23193.43.151.0/24193.57.148.0/24193.96.188.0/24193.104.114.0/24193.105.36.0/24193.105.128.0/24193.108.17.0/24193.109.48.0/24193.109.49.0/24193.131.248.0/22193.138.80.0/24193.141.0.0/23193.141.2.0/24193.141.40.0/22193.141.44.0/23193.163.105.0/24193.163.208.0/21193.169.218.0/23193.189.192.0/19193.189.199.0/24193.201.84.0/22193.221.98.0/24193.221.101.0/24193.221.110.0/24193.238.144.0/22193.238.164.0/22193.238.248.0/22193.239.132.0/24193.242.80.0/20194.6.96.0/19194.24.192.0/19194.41.62.0/24194.42.64.0/19194.42.83.0/24194.42.224.0/19194.45.4.0/23194.45.12.0/23194.45.47.0/24194.45.98.0/23194.64.32.0/19194.64.104.0/21194.64.112.0/21194.64.132.0/22194.64.136.0/21194.77.0.0/19194.77.32.0/21194.77.40.0/24194.77.43.0/24194.77.44.0/23194.77.56.0/21194.77.65.0/24194.77.66.0/23194.77.68.0/22194.77.72.0/21194.77.80.0/22194.77.84.0/23194.77.88.0/21194.77.96.0/19194.77.128.0/23194.77.131.0/24194.77.132.0/24194.77.134.0/23194.77.136.0/21194.77.144.0/24194.77.146.0/23194.77.148.0/24194.77.150.0/23194.77.152.0/23194.77.155.0/24194.77.159.0/24194.77.160.0/20194.77.169.0/24194.77.176.0/21194.77.184.0/24194.77.186.0/23194.77.188.0/22194.77.192.0/20194.77.208.0/21194.77.216.0/23194.77.219.0/24194.77.220.0/22194.77.224.0/21194.77.232.0/22194.116.218.0/24194.116.219.0/24194.120.0.0/24194.120.43.0/24194.120.112.0/22194.120.120.0/22194.121.52.0/22194.121.104.0/23194.121.123.0/24194.121.203.0/24194.121.220.0/22194.122.76.0/22194.122.80.0/21194.122.120.0/21194.122.224.0/20194.122.248.0/22194.123.122.0/24194.123.164.0/24194.140.252.0/24194.145.222.0/23194.150.0.0/18194.154.96.0/19194.158.0.0/19194.158.10.0/24194.158.18.0/24194.165.64.0/19194.183.96.0/19194.183.103.0/24194.187.156.0/22194.195.128.0/18194.231.0.0/16194.242.128.0/19195.7.64.0/19195.7.192.0/19195.16.64.0/22195.21.0.0/17195.21.128.0/17195.40.0.0/16195.40.22.0/23195.40.24.0/23195.40.181.0/24195.64.32.0/19195.72.64.0/19195.72.160.0/19195.81.0.0/16195.81.93.0/24195.81.141.0/24195.81.168.0/24195.81.187.0/24195.81.224.0/24195.81.225.0/24195.81.252.0/23195.86.0.0/16195.86.31.0/24195.86.32.0/24195.86.33.0/24195.86.34.0/24195.86.35.0/24195.86.44.0/24195.86.46.0/24195.86.52.0/24195.86.53.0/24195.86.54.0/24195.86.55.0/24195.86.164.0/24195.86.165.0/24195.86.166.0/24195.86.167.0/24195.86.180.0/24195.86.181.0/24195.86.182.0/24195.86.183.0/24195.86.184.0/24195.86.185.0/24195.86.225.0/24195.86.226.0/24

Snapshot history

DateNameCountryClassPrefixes
2026-11-11GTT Communications Inc.UST11947
2026-11-10GTT Communications Inc.UST11944
2026-11-09GTT Communications Inc.UST11947
2026-11-08GTT Communications Inc.UST11947
2026-11-07GTT Communications Inc.UST11947
2026-11-06GTT Communications Inc.UST11948
2026-11-05GTT Communications Inc.UST11950
2026-11-04GTT Communications Inc.UST11955
2026-11-03GTT Communications Inc.UST11956
2026-11-02GTT Communications Inc.UST11960
2026-11-01GTT Communications Inc.UST11960
2026-10-31GTT Communications Inc.UST11960
2026-10-30GTT Communications Inc.UST11930
2026-10-29GTT Communications Inc.UST11929
2026-10-28GTT Communications Inc.UST11929
2026-10-27GTT Communications Inc.UST11929
2026-10-26GTT Communications Inc.UST11930
2026-10-25GTT Communications Inc.UST11930
2026-10-24GTT Communications Inc.UST11930
2026-10-23GTT Communications Inc.UST11933
2026-10-22GTT Communications Inc.UST11933
2026-10-21GTT Communications Inc.UST11933
2026-10-20GTT Communications Inc.UST11937
2026-10-19GTT Communications Inc.UST11940
2026-10-18GTT Communications Inc.UST11940
2026-10-17GTT Communications Inc.UST11940
2026-10-16GTT Communications Inc.UST11940
2026-10-15GTT Communications Inc.UST11940
2026-10-14GTT Communications Inc.UST11940
2026-10-13GTT Communications Inc.UST11939
2026-10-12GTT Communications Inc.UST11939
2026-10-11GTT Communications Inc.UST11934
2026-10-10GTT Communications Inc.UST11934
2026-10-09GTT Communications Inc.UST11934
2026-10-08GTT Communications Inc.UST11934
2026-10-07GTT Communications Inc.UST11926
2026-10-06GTT Communications Inc.UST11926
2026-10-05GTT Communications Inc.UST11861
2026-10-04GTT Communications Inc.UST11861
2026-10-03GTT Communications Inc.UST11862
2026-10-02GTT Communications Inc.UST11864
2026-10-01GTT Communications Inc.UST11863
2026-09-30GTT Communications Inc.UST11864
2026-09-29GTT Communications Inc.UST11858
2026-09-28GTT Communications Inc.UST11858
2026-09-27GTT Communications Inc.UST11858
2026-09-26GTT Communications Inc.UST11858
2026-09-25GTT Communications Inc.UST11865
2026-09-24GTT Communications Inc.UST11847
2026-09-23GTT Communications Inc.UST11839
2026-09-22GTT Communications Inc.UST11837
2026-09-21GTT Communications Inc.UST11833
2026-09-20GTT Communications Inc.UST11833
2026-09-19GTT Communications Inc.UST11833
2026-09-18GTT Communications Inc.UST11832
2026-09-17GTT Communications Inc.UST11829
2026-09-16GTT Communications Inc.UST11826
2026-09-15GTT Communications Inc.UST11826
2026-09-14GTT Communications Inc.UST11826
2026-09-13GTT Communications Inc.UST11826
2026-09-12GTT Communications Inc.UST11826
2026-09-11GTT Communications Inc.UST11826
2026-09-10GTT Communications Inc.UST11826
2026-09-09GTT Communications Inc.UST11826
2026-09-08GTT Communications Inc.UST11826
2026-09-07GTT Communications Inc.UST11830
2026-09-06GTT Communications Inc.UST11830
2026-09-05GTT Communications Inc.UST11830
2026-09-04GTT Communications Inc.UST11830
2026-09-03GTT Communications Inc.UST11832
2026-09-02GTT Communications Inc.UST11694
2026-09-01GTT Communications Inc.UST11487
2026-08-31GTT Communications Inc.UST11487
2026-08-30GTT Communications Inc.UST11487
2026-08-29GTT Communications Inc.UST11487
2026-08-28GTT Communications Inc.UST11481
2026-08-27GTT Communications Inc.UST11481
2026-08-26GTT Communications Inc.UST11476
2026-08-25GTT Communications Inc.UST11471
2026-08-24GTT Communications Inc.UST11471
2026-08-23GTT Communications Inc.UST11469
2026-08-22GTT Communications Inc.UST11469
2026-08-21GTT Communications Inc.UST11469
2026-08-20GTT Communications Inc.UST11471
2026-08-19GTT Communications Inc.UST11470
2026-08-18GTT Communications Inc.UST11470
2026-08-17GTT Communications Inc.UST11467
2026-08-16GTT Communications Inc.UST11467
2026-08-15GTT Communications Inc.UST11467
2026-08-14GTT Communications Inc.UST11466
2026-08-13GTT Communications Inc.UST11466
2026-08-12GTT Communications Inc.UST11466
2026-08-11GTT Communications Inc.UST11480
2026-08-10GTT Communications Inc.UST11449
2026-08-09GTT Communications Inc.UST11449
2026-08-08GTT Communications Inc.UST11449
2026-08-07GTT Communications Inc.UST11449
2026-08-06GTT Communications Inc.UST11432
2026-08-05GTT Communications Inc.UST11432
2026-08-04GTT Communications Inc.UST11434
2026-08-03GTT Communications Inc.UST11435
2026-08-02GTT Communications Inc.UST11436
2026-08-01GTT Communications Inc.UST11435
2026-07-31GTT Communications Inc.UST11434
2026-07-30GTT Communications Inc.UST11414
2026-07-29GTT Communications Inc.UST11415
2026-07-28GTT Communications Inc.UST11414
2026-07-27GTT Communications Inc.UST11413
2026-07-26GTT Communications Inc.UST11414
2026-07-25GTT Communications Inc.UST11414
2026-07-24GTT Communications Inc.UST11414
2026-07-23GTT Communications Inc.UST11415
2026-07-22GTT Communications Inc.UST11407
2026-07-21GTT Communications Inc.UST11413
2026-07-20GTT Communications Inc.UST11414
2026-07-19GTT Communications Inc.UST11414
2026-07-18GTT Communications Inc.UST11414
2026-07-17GTT Communications Inc.UST11414
2026-07-16GTT Communications Inc.UST11418
2026-07-15GTT Communications Inc.UST11415
2026-07-14GTT Communications Inc.UST11415
2026-07-13GTT Communications Inc.UST11413
2026-07-12GTT Communications Inc.UST11413
2026-07-11GTT Communications Inc.UST11413
2026-07-10GTT Communications Inc.UST11413
2026-07-09GTT Communications Inc.UST11414
2026-07-08GTT Communications Inc.UST11414
2026-07-07GTT Communications Inc.UST11414
2026-07-06GTT Communications Inc.UST11414
2026-07-05GTT Communications Inc.UST11414
2026-07-04GTT Communications Inc.UST11414
2026-07-03GTT Communications Inc.UST11414
2026-07-02GTT Communications Inc.UST11414
2026-07-01GTT Communications Inc.UST11413
2026-06-30GTT Communications Inc.UST11419
2026-06-29GTT Communications Inc.UST11419
2026-06-28GTT Communications Inc.UST11419
2026-06-27GTT Communications Inc.UST11419
2026-06-26GTT Communications Inc.UST11417
2026-06-25GTT Communications Inc.UST11419
2026-06-24GTT Communications Inc.UST11420
2026-06-23GTT Communications Inc.UST11420
2026-06-22GTT Communications Inc.UST11420
2026-06-21GTT Communications Inc.UST11420
2026-06-20GTT Communications Inc.UST11420
2026-06-19GTT Communications Inc.UST11419
2026-06-18GTT Communications Inc.UST11419
2026-06-17GTT Communications Inc.UST11415
2026-06-16GTT Communications Inc.UST11415
2026-06-15GTT Communications Inc.UST11415
2026-06-14GTT Communications Inc.UST11415
2026-06-13GTT Communications Inc.UST11424

IP-block changes

Open full filtered history →
ObservedBlockActionPrevious originsNew origins
2026-11-11185.15.224.0/24Acquired—AS3257
2026-11-11185.15.227.0/24Acquired—AS3257
2026-11-11189.13.179.0/24Acquired—AS3257
2026-11-11189.13.180.0/24Acquired—AS3257
2026-11-11193.221.101.0/24ReleasedAS3257—
2026-11-11194.121.52.0/22Origin set changedAS3257, AS212238AS3257
2026-11-1072.244.38.0/24Origin set changedAS3257, AS9009AS3257
2026-11-10185.15.224.0/24ReleasedAS3257—
2026-11-10185.15.226.0/24ReleasedAS3257—
2026-11-10185.15.227.0/24ReleasedAS3257—
2026-11-0972.244.38.0/24Origin set changedAS3257AS3257, AS9009
2026-11-07192.101.145.0/24ReleasedAS3257—
2026-11-0670.39.200.0/21Origin set changedAS3257AS979, AS3257
2026-11-06160.48.160.0/23ReleasedAS1136, AS3257—
2026-11-06160.48.161.0/24ReleasedAS3257—
2026-11-06192.101.145.0/24Acquired—AS3257
2026-11-06193.141.44.0/23ReleasedAS3257—
2026-11-0562.132.42.0/23ReleasedAS3257AS212238
2026-11-05194.45.4.0/23ReleasedAS3257—
2026-11-05194.45.98.0/23ReleasedAS3257AS212238
2026-11-05194.77.43.0/24ReleasedAS3257—
2026-11-05194.122.120.0/21ReleasedAS3257AS62874
2026-11-04194.77.148.0/24ReleasedAS3257—
2026-11-04194.121.52.0/22Origin set changedAS3257AS3257, AS212238
2026-11-0366.92.53.0/24ReleasedAS3257, AS401884AS401884
2026-11-0369.33.226.0/24ReleasedAS3257—
2026-11-03156.228.9.0/24ReleasedAS3257AS32043
2026-11-03217.66.128.0/21ReleasedAS3257AS13301
2026-10-3145.74.224.0/22Acquired—AS3257
2026-10-3145.74.228.0/22Acquired—AS3257
2026-10-3145.74.232.0/22Acquired—AS3257
2026-10-3145.74.236.0/22Acquired—AS3257
2026-10-3170.40.128.0/22Acquired—AS3257
2026-10-3170.40.132.0/22Acquired—AS3257
2026-10-3182.158.208.0/22Acquired—AS3257
2026-10-3182.158.212.0/22Acquired—AS3257
2026-10-3182.158.216.0/22Acquired—AS3257
2026-10-3182.158.220.0/22Acquired—AS3257
2026-10-3185.137.216.0/22Acquired—AS3257
2026-10-3185.137.224.0/22Acquired—AS3257
2026-10-31104.234.12.0/24Acquired—AS3257
2026-10-31104.247.153.0/24Acquired—AS3257
2026-10-31132.243.0.0/20Acquired—AS3257
2026-10-31132.243.96.0/20Acquired—AS3257
2026-10-31132.243.128.0/20Acquired—AS3257
2026-10-31132.243.144.0/20Acquired—AS3257
2026-10-31150.251.16.0/20Acquired—AS3257
2026-10-31150.251.192.0/20Acquired—AS3257
2026-10-31153.79.128.0/20Acquired—AS3257
2026-10-31153.79.144.0/20Acquired—AS3257
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