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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.

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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
4,796,012
IPv4 Prefixes Announced
2,449
IPv6 Prefixes Announced
352
IPv4 Bogon Prefixes
0
IPv6 Bogon Prefixes
0
IPv4 Space Rank
#111 out of 75,562
Registry
Ripe
Registered Country
US
Registration Date
2002-09-20
Registration Change
2023-05-30

Receiving From

ASN
Organisation
AS41805
SAWAD LAND for Information Technology Ltd
AS6695
DE-CIX Management GmbH
AS7018
AT&T Services, Inc.
AS701
Verizon Business
AS3320
Deutsche Telekom AG
AS3356
Level 3 Parent, LLC
AS7922
Comcast Cable Communications, LLC
AS174
Cogent Communications
AS2516
KDDI CORPORATION
AS209
CenturyLink Communications, LLC
Showing 10 of 114 Results View More >

Transit To

ASN
Organisation
AS213287
Pure IP Limited
AS4200000007
Private Use AS
AS64615
Private Use AS
AS21687
HUDSON VALLEY DATANET, LLC
AS394536
Cloudflare, Inc.
AS6067
Pulsant - Onyx Group
AS208723
Volker Janzen
AS4134
No.31,Jin-rong Street Beijing 100032
AS7018
AT&T Services, Inc.
AS4837
CHINA UNICOM China169 Backbone
Showing 10 of 3,191 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 2,449 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 352 Results View More >