AS3257

GTT Communications Inc.

AS 3257 GTT-BACKBONE

Autonomous Systems are networks typically governed by large ISPs that participate in global Internet routing. Each network is assigned a unique identification number known as the AS number or ASN by the Internet Assigned Numbers Authority.

9,323,076 IP addresses
ASN3257
NameGTT-BACKBONE
OrganizationGTT Communications Inc.
CountryUnited States  
RegistryRIPE NCC
IPv4 addresses9,323,076
IPv6 /64 networks1.61 x 238
Prefixes1,504
Other ASN allocated to GTT Communications Inc.
ASN Name IP addresses
8928 INTEROUTE 2,064
3291 PSINet-Europe 256
286 KPN 0
8861 TEMP-RELUVA 0
8390 TPN-AS 0
8384 UNSPECIFIED 0
8379 CYBERNET-AG 0
8195 IONIP 0
6814 UNSPECIFIED 0
6808 GTT-ASIA-BACKBONE 0
6320 FUSEDNETWORKS-AS 0
5496 WIREHUB 0
2858 UNSPECIFIED 0
517 UNSPECIFIED 0
12469 INFONET-NETHERLAND 0
IPv4 Prefixes for AS3257 - showing the first 20 of 1,419 networks
Network Location Addresses
103.232.16.0/22 Tinet Hong Kong limited   Toyohashi 1,024
104.143.184.0/24 GTT Communications Inc.   Denver 256
104.143.84.0/24 GTT Communications Inc.   Ashburn 256
104.153.224.0/22 GTT Communications Inc.   Summit 1,024
104.165.105.0/24 EGIHosting   Santa Clara 256
104.165.199.0/24 GTT Communications Inc.   Santa Clara 256
104.194.200.0/24 GTT Communications Inc.   Ashburn 256
104.194.203.0/24 GTT Communications Inc.   Ashburn 256
104.194.220.0/24 GTT Communications Inc.   Ashburn 256
104.200.66.0/24 GTT Communications Inc.   Ashburn 256
104.200.74.0/23 GTT Communications Inc.   Ashburn 512
104.232.192.0/24 GTT Communications Inc.   Ashburn 256
104.232.194.0/23 GTT Communications Inc.   Ashburn 512
104.232.216.0/24 GTT Communications Inc.   Ashburn 256
104.232.219.0/24 GTT Communications Inc.   Ashburn 256
104.238.32.0/24 GTT Communications Inc.   Ashburn 256
104.244.188.0/22 GTT Communications Inc.   Toronto (Old Toronto) 1,024
104.251.82.0/24 GTT Communications Inc.   Las Vegas 256
104.251.90.0/24 GTT Communications Inc.   Las Vegas 256
104.254.120.0/22 GTT Communications Inc.   Kowloon Tong 1,024
IPv6 Prefixes for AS3257 - showing the first 20 of 81 networks
Network Location /64 Prefixes
2001:1478:1801::/48 Gtt   Neu-Isenburg 216
2001:1478:201::/48 GTT Communications Inc   London 216
2001:1478:700::/48 Gtt   Hamburg (Hamburg-Mitte) 216
2001:1478::/32 Gtt   Vestec 232
2001:4890::/32 GTT Communications Inc.   Tysons Corner 232
2001:590:3400::/38 GTT Communications Inc.   Arlington (Ballston) 226
2001:590::/32 GTT Communications Inc.   Arlington (Ballston) 232
2001:668:126::/48 Gtt   Derby 216
2001:668:130::/48 Gtt   Las Vegas 216
2001:668::/29 GTT Communications Inc.   Neu-Isenburg 235
2001:668::/32 GTT Communications Inc.   Neu-Isenburg 232
2001:67c:1514::/48 Easywan via KPN Eurorings B.V   Munich (Ludwigsvorstadt-Isarvorstadt) 216
2001:680:16::/48 Gtt   Amsterdam 216
2001:680::/32 Gtt   Amsterdam 232
2001:6f8:1800::/39 Gtt   Amsterdam 225
2001:6f8:1903::/48 Gtt   Amsterdam 216
2001:6f8:200::/39 Gtt   Woluwe-Saint-Lambert (Zaventem) 225
2001:6f8:206::/48 Gtt   Asse 216
2001:6f8::/32 Gtt   London 232
2001:aa0:7000::/36 GTT Communications Inc   Saint-Denis 228