The IP API The IP API
// ASN

AS3257

GTT-BACKBONE GTT, US

Detailed information about the Autonomous System. Need another one? Look up a different ASN.

ASN
AS3257
Organization
IPXO-GTT
Description
GTT-BACKBONE GTT, US
Country
EU
Registry (RIR)
RIPE
Created
2016-12-13
Updated
2025-06-05
IPv4 Prefixes
1358
IPv6 Prefixes
46

IPv4 Prefixes

1358 total · showing first 10
103.232.16.0/22
104.143.184.0/24
104.143.84.0/24
104.153.224.0/22
104.165.105.0/24
104.165.199.0/24
104.194.200.0/24
104.194.203.0/24
104.194.220.0/24
104.200.66.0/24

IPv6 Prefixes

46 total · showing first 10
2001:1478::/32
2001:4890::/32
2001:590:3400::/38
2001:590::/32
2001:668::/29
2001:668::/32
2001:67c:1514::/48
2001:680::/32
2001:6f8:1800::/39
2001:6f8:200::/39

What is AS3257?

AS3257 is an Autonomous System Number (ASN) assigned to IPXO-GTT. An ASN identifies a network or group of IP prefixes operated under a common routing policy in the BGP protocol.

Looking for more ASN data?

Use our ASN Lookup Tool for real-time WHOIS queries, or explore our API documentation to integrate ASN data into your applications.