AS3257 is an AS number assigned to GTT-BACKBONE GTT Communications Inc.. Country or region: United States.

OrganizationGTT-BACKBONE GTT Communications Inc.
CountryUnited States (US)
IPv4 addresses4,108,031
IPv4 ranges3,687
IPv6 ranges139

AS numbers: United States

IPv4 address ranges (largest 20)

Range (CIDR)AddressesCheck
67.100.0.0/16 65,536 Check if your IP is in this range
81.188.0.0/16 65,536 Check if your IP is in this range
134.222.0.0/16 65,536 Check if your IP is in this range
217.205.0.0/16 65,536 Check if your IP is in this range
217.207.0.0/16 65,536 Check if your IP is in this range
154.14.0.0/17 32,768 Check if your IP is in this range
205.179.0.0/17 32,768 Check if your IP is in this range
212.221.0.0/17 32,768 Check if your IP is in this range
213.39.0.0/17 32,768 Check if your IP is in this range
217.206.128.0/17 32,768 Check if your IP is in this range
62.50.0.0/18 16,384 Check if your IP is in this range
64.51.64.0/18 16,384 Check if your IP is in this range
64.51.128.0/18 16,384 Check if your IP is in this range
66.226.192.0/18 16,384 Check if your IP is in this range
72.245.192.0/18 16,384 Check if your IP is in this range
82.111.64.0/18 16,384 Check if your IP is in this range
86.53.192.0/18 16,384 Check if your IP is in this range
87.85.0.0/18 16,384 Check if your IP is in this range
89.149.128.0/18 16,384 Check if your IP is in this range
92.54.128.0/18 16,384 Check if your IP is in this range

AS numbers of a similar size

About the data

Compiled by this site from publicly available internet registry assignment information and IP address range data. The data date is the build date of the data when the content of this page last changed. Adjacent ranges are merged and expressed as CIDR blocks, so they may differ from the routes actually announced.

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