IP Tracker

AS3257

GTT Communications Inc.

UST12026-09-08

Announced prefixes 1000+

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/1888.81.160.0/1988.218.172.0/2289.39.242.0/2489.42.168.0/2289.47.118.0/2489.149.52.0/2489.149.128.0/1889.149.148.0/2489.149.170.0/2489.167.128.0/1789.167.234.0/2489.167.235.0/2489.167.248.0/2189.202.128.0/1789.202.156.0/2489.202.234.0/2489.251.192.0/2091.143.176.0/2091.192.240.0/2291.198.73.0/2491.200.75.0/2491.208.37.0/2491.232.35.0/2491.242.72.0/2491.242.74.0/2391.242.94.0/2491.242.95.0/2491.242.103.0/2492.53.180.0/2292.54.128.0/1892.60.240.0/2092.71.0.0/1792.71.48.0/2192.71.128.0/1892.244.160.0/1993.113.158.0/2493.152.0.0/1793.152.3.0/2493.152.5.0/2493.152.7.0/2493.152.8.0/2493.152.16.0/2493.157.216.0/2193.187.169.0/2494.131.24.0/2294.131.64.0/2094.185.128.0/1794.231.198.0/2495.134.236.0/2295.152.192.0/1895.152.212.0/2395.152.228.0/2295.152.240.0/2095.164.70.0/2495.164.192.0/2295.177.0.0/1795.177.63.0/2495.177.67.0/2495.177.74.0/2495.177.85.0/2496.46.64.0/2096.46.73.0/2496.46.74.0/2498.124.128.0/18103.232.16.0/22104.36.216.0/22104.37.30.0/23104.143.84.0/24104.143.184.0/24104.153.224.0/22104.165.105.0/24104.165.199.0/24104.166.76.0/24104.194.200.0/24104.194.203.0/24104.194.220.0/24104.200.66.0/24104.200.74.0/23104.206.136.0/23104.232.192.0/24104.232.194.0/23104.232.216.0/24104.232.219.0/24104.238.32.0/24104.244.188.0/22104.251.82.0/24104.251.90.0/24104.254.120.0/22107.149.1.0/24107.182.240.0/20108.165.74.0/24108.165.206.0/24108.186.156.0/24108.186.167.0/24108.186.179.0/24108.186.230.0/24109.66.51.0/24109.66.54.0/24109.71.168.0/21109.174.128.0/17109.176.72.0/24109.176.77.0/24109.176.129.0/24109.176.168.0/24109.176.171.0/24109.204.0.0/17128.127.152.0/21128.177.95.0/24128.254.205.0/24131.125.16.0/22131.176.196.0/23131.176.208.0/24131.176.216.0/21131.176.225.0/24131.176.248.0/24131.176.249.0/24131.176.250.0/24131.176.251.0/24134.222.0.0/16135.196.0.0/16135.196.12.0/23135.196.48.0/21135.196.56.0/21135.196.80.0/21135.196.122.0/24135.196.127.0/24135.196.135.0/24135.196.136.0/21135.196.228.0/23135.196.232.0/23135.196.238.0/23136.0.48.0/24136.0.59.0/24136.0.121.0/24136.0.155.0/24136.0.185.0/24136.0.196.0/24136.0.241.0/24137.44.124.0/23141.0.32.0/19141.0.192.0/21141.136.96.0/20142.39.68.0/24142.39.69.0/24142.39.70.0/24142.39.71.0/24142.39.72.0/24142.39.73.0/24142.111.132.0/24142.111.138.0/24142.111.153.0/24142.111.154.0/24142.111.163.0/24142.111.164.0/24142.111.165.0/24142.111.166.0/24142.111.179.0/24142.111.185.0/24142.111.186.0/24142.111.195.0/24142.111.196.0/24142.111.197.0/24142.111.198.0/24142.111.200.0/24142.111.209.0/24142.111.222.0/24142.111.223.0/24142.111.238.0/24142.111.251.0/24142.131.238.0/23142.147.192.0/20142.147.208.0/20142.248.2.0/23142.252.38.0/24142.252.60.0/22142.252.89.0/24142.252.117.0/24142.252.138.0/24142.252.148.0/22142.252.192.0/22142.252.209.0/24143.14.37.0/24143.14.127.0/24143.109.48.0/24143.109.49.0/24143.109.50.0/24143.109.51.0/24143.109.53.0/24143.109.55.0/24144.31.8.0/23144.225.11.0/24144.225.13.0/24144.225.21.0/24144.225.39.0/24144.225.49.0/24144.225.56.0/21144.225.68.0/24144.225.69.0/24144.225.71.0/24144.225.76.0/24144.225.77.0/24144.225.89.0/24144.225.110.0/24144.225.113.0/24144.225.115.0/24144.225.149.0/24144.225.180.0/24144.225.190.0/24144.225.224.0/22144.225.228.0/23144.225.230.0/23144.225.232.0/23144.225.234.0/23144.225.236.0/23144.225.243.0/24144.225.250.0/24145.43.251.0/24146.19.50.0/24146.19.55.0/24149.62.43.0/24149.126.104.0/21149.235.0.0/16153.76.24.0/21153.76.124.0/22154.14.0.0/16154.14.51.0/24154.14.58.0/24154.81.50.0/24154.206.240.0/21154.206.248.0/21154.208.64.0/21154.208.112.0/21155.117.162.0/24155.229.0.0/16155.229.51.0/24155.229.90.0/24155.229.91.0/24155.229.92.0/24155.229.93.0/24155.229.199.0/24155.229.210.0/24155.229.211.0/24155.229.242.0/24155.229.243.0/24156.43.80.0/24156.225.15.0/24156.228.7.0/24156.228.9.0/24156.228.16.0/23159.63.176.0/21160.48.160.0/23160.48.161.0/24161.195.157.0/24162.141.49.0/24162.141.64.0/24162.141.95.0/24162.141.122.0/24162.141.165.0/24162.142.20.0/24162.142.22.0/24162.210.152.0/22162.210.154.0/24162.210.155.0/24162.212.200.0/21162.221.208.0/22162.244.76.0/22162.244.156.0/23162.246.12.0/22

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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