GTT Communications IP Ranges
GTT Communications is an internet backbone and transit provider operating AS3257. Its customer cone reaches 41,285 networks, which is why its routers appear frequently in traceroutes.
- Provider
- GTT Communications
- Primary ASN
- AS3257
- Category
- Transit
- Headquarters
- McLean, VA, USA
- Announced IPv4 prefixes
- 1382
- Registry
- RIPE
Known IP ranges
These prefixes are currently announced to the global routing table by AS3257 (GTT-BACKBONE GTT Communications Inc.). Prefix sets change over time - use WHOIS Lookup for the authoritative record on any specific address.
217.204.0.0/14
87.84.0.0/14
82.108.0.0/14
68.164.0.0/14
67.100.0.0/14
66.92.0.0/15
65.84.0.0/15
212.134.0.0/15
66.166.0.0/15
87.84.0.0/15
2a13:fc00::/29
2001:668::/29
2a0a:1f40::/29 (IPv6)
What does a GTT Communications IP mean in a privacy test?
A GTT Communications hop in a traceroute is normal and simply means your path crosses their backbone. An address directly on AS3257 usually belongs to a server or network buying transit from them.
Related tools
Frequently asked questions
What IP ranges does GTT Communications use?
GTT Communications announces 1382 IPv4 prefixes and 82 IPv6 prefixes under AS3257. Larger blocks include 217.204.0.0/14, 87.84.0.0/14, 82.108.0.0/14. The full current list is published by RIPE, and prefixes change as the network grows.
Why does a GTT Communications IP appear in my privacy test?
A GTT Communications hop in a traceroute is normal and simply means your path crosses their backbone. An address directly on AS3257 usually belongs to a server or network buying transit from them.
How large is the GTT Communications network?
By CAIDA's AS Rank, AS3257 reaches 41,285 networks through its customer cone, covering roughly 1.2 billion IPv4 addresses. That places it at global rank 3 among all autonomous systems.
How do I look up a GTT Communications IP address?
Enter the address in the MyIPScan IP Geolocation Lookup. Addresses in this network return AS3257 (GTT-BACKBONE GTT Communications Inc.). WHOIS Lookup shows the registered CIDR block for any specific address.
What ASN does GTT Communications use?
GTT Communications operates AS3257, registered with RIPE and held by GTT-BACKBONE GTT Communications Inc. In a privacy test this ASN is what identifies traffic as belonging to their network.