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ASN Lookup Tool
AS3257 GTT Communications Inc.

An Autonomous System (AS) is a network (or collection of networks) that are all managed and supervised by a single entity or organisation. This tool provides a comprehensive ownership and connectivity report for any given AS number.

ASN Lookup for:

AS3257

Powered By:
ASN Extended Info API
BGP Active Prefixes API
ASN Details JSON View

ASN Details

ASN
AS3257
Organisation
GTT Communications Inc.
AS Name
GTT-BACKBONE
IPv4 Addresses Announced
4,637,290
IPv4 Prefixes Announced
2,393
IPv6 Prefixes Announced
325
IPv4 Bogon Prefixes
0
IPv6 Bogon Prefixes
0
IPv4 Space Rank
#115 out of 75,509
Registry
Ripe
Registered Country
US flag US
Registration Date
2002-09-20
Registration Change
2023-03-21

Receiving From

ASN
Organisation
ASN
AS41805
Organisation
IQ flag SAWAD LAND for Information Technology Ltd
ASN
AS6695
Organisation
DE flag DE-CIX Management GmbH
ASN
AS7018
Organisation
US flag AT&T Services, Inc.
ASN
AS701
Organisation
US flag Verizon Business
ASN
AS3320
Organisation
DE flag Deutsche Telekom AG
ASN
AS3356
Organisation
US flag Level 3 Parent, LLC
ASN
AS7922
Organisation
US flag Comcast Cable Communications, LLC
ASN
AS174
Organisation
US flag Cogent Communications
ASN
AS2516
Organisation
JP flag KDDI CORPORATION
ASN
AS209
Organisation
US flag CenturyLink Communications, LLC
Showing 10 of 108 Results View More >

Transit To

ASN
Organisation
ASN
AS213287
Organisation
GB flag Pure IP Limited
ASN
AS64629
Organisation
WORLD flag Private Use AS
ASN
AS4200000007
Organisation
WORLD flag Private Use AS
ASN
AS21687
Organisation
US flag HUDSON VALLEY DATANET, LLC
ASN
AS394536
Organisation
US flag Cloudflare, Inc.
ASN
AS46420
Organisation
US flag Baker College
ASN
AS6067
Organisation
EU flag Pulsant - Onyx Group
ASN
AS208723
Organisation
DE flag Volker Janzen
ASN
AS4134
Organisation
CN flag No.31,Jin-rong Street Beijing 100032
ASN
AS7018
Organisation
US flag AT&T Services, Inc.
Showing 10 of 3,194 Results View More >

Active Prefixes IPv4

Prefix
Range From
Range To
Prefix
103.232.16.0/22
Range From
103.232.16.0
Range To
103.232.19.255
Prefix
104.143.184.0/24
Range From
104.143.184.0
Range To
104.143.184.255
Prefix
104.153.224.0/23
Range From
104.153.224.0
Range To
104.153.225.255
Prefix
104.153.226.0/24
Range From
104.153.226.0
Range To
104.153.226.255
Prefix
104.164.200.0/24
Range From
104.164.200.0
Range To
104.164.200.255
Prefix
104.165.105.0/24
Range From
104.165.105.0
Range To
104.165.105.255
Prefix
104.165.199.0/24
Range From
104.165.199.0
Range To
104.165.199.255
Prefix
104.192.220.0/22
Range From
104.192.220.0
Range To
104.192.223.255
Prefix
104.238.251.0/24
Range From
104.238.251.0
Range To
104.238.251.255
Prefix
104.251.82.0/24
Range From
104.251.82.0
Range To
104.251.82.255
Showing 10 of 2,393 Results View More >

Active Prefixes IPv6

Prefix
Range From
Range To
Prefix
2001:1478::/36
Range From
2001:1478::
Range To
2001:1478:fff:ffff:ffff:ffff:ffff:ffff
Prefix
2001:1478:1000::/40
Range From
2001:1478:1000::
Range To
2001:1478:10ff:ffff:ffff:ffff:ffff:ffff
Prefix
2001:1478:1101::/48
Range From
2001:1478:1101::
Range To
2001:1478:1101:ffff:ffff:ffff:ffff:ffff
Prefix
2001:1478:1102::/47
Range From
2001:1478:1102::
Range To
2001:1478:1103:ffff:ffff:ffff:ffff:ffff
Prefix
2001:1478:1104::/46
Range From
2001:1478:1104::
Range To
2001:1478:1107:ffff:ffff:ffff:ffff:ffff
Prefix
2001:1478:1108::/45
Range From
2001:1478:1108::
Range To
2001:1478:110f:ffff:ffff:ffff:ffff:ffff
Prefix
2001:1478:1110::/44
Range From
2001:1478:1110::
Range To
2001:1478:111f:ffff:ffff:ffff:ffff:ffff
Prefix
2001:1478:1120::/43
Range From
2001:1478:1120::
Range To
2001:1478:113f:ffff:ffff:ffff:ffff:ffff
Prefix
2001:1478:1140::/42
Range From
2001:1478:1140::
Range To
2001:1478:117f:ffff:ffff:ffff:ffff:ffff
Prefix
2001:1478:1180::/41
Range From
2001:1478:1180::
Range To
2001:1478:11ff:ffff:ffff:ffff:ffff:ffff
Showing 10 of 325 Results View More >