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ASN Lookup Tool
AS3257 GTT-BACKBONE

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS3257
Organisation
GTT Communications Inc.
Name
GTT-BACKBONE
Total IPv4 Addresses
8248018
Total IPv4 Prefixes
2672
Total IPv6 Prefixes
383
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#59 out of 77,316
Registry
Ripe
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
2002-09-20
Registration Last Change
2024-04-16
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
AS41805
IQ flagSAWAD LAND for Information Technology Ltd
AS328832
ZA flagNetwork Platforms (PTY) LTD
AS7018
US flagAT&T Services, Inc.
AS17676
JP flagSoftBank Corp.
AS701
US flagVerizon Business
Showing 5 of 128
Transit To

The list of active Autonomous Systems (ASs) which receive traffic from that ASN.

 

ASN
Organisation
AS64629
WORLD flagPrivate Use AS
AS4200000007
WORLD flagPrivate Use AS
AS4200000006
WORLD flagPrivate Use AS
AS152598
CN flagBeijing Gong Gong Fa Technology Co Ltd
AS57607
DE flagHaefele SE trading as Hafele SE & Co KG
Showing 5 of 3385
IPv4 Active Prefixes

This provides the list of IPv4 address space routes/prefixes currently announced on Border Gateway Protocol (BGP).

Prefix2.56.236.0/22
Range From2.56.236.0
Range To2.56.239.255
Prefix2.58.75.0/24
Range From2.58.75.0
Range To2.58.75.255
Prefix5.83.96.0/21
Range From5.83.96.0
Range To5.83.103.255
Prefix5.133.190.0/24
Range From5.133.190.0
Range To5.133.190.255
Prefix5.178.16.0/21
Range From5.178.16.0
Range To5.178.23.255
Showing 5 of 2672
IPv6 Active Prefixes
Prefix2001:590::/48
Range From2001:590::
Range To2001:590:0:ffff:ffff:ffff:ffff:ffff
Prefix2001:590:1::/54
Range From2001:590:1::
Range To2001:590:1:3ff:ffff:ffff:ffff:ffff
Prefix2001:590:1:400::/55
Range From2001:590:1:400::
Range To2001:590:1:5ff:ffff:ffff:ffff:ffff
Prefix2001:590:1:600::/64
Range From2001:590:1:600::
Range To2001:590:1:600:ffff:ffff:ffff:ffff
Prefix2001:590:1:602::/63
Range From2001:590:1:602::
Range To2001:590:1:603:ffff:ffff:ffff:ffff
Showing 5 of 383
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.