AS3257
GTT Communications Inc.
ASN
AS3257
Country
United States
IPv4 addresses
5,216,000
Prefixes (IPv4 / IPv6)
3,332 / 66
ASN Information
- ASN Number
- AS3257
- AS Name
- GTT Communications Inc.
- Country
- United States
- IPv4 addresses
- 5,216,000
- IPv4 prefixes
- 3,332
- IPv6 prefixes
- 66
VPN & datacenter signals
- Known VPN prefixes
- 292
- Known datacenter prefixes
- 233
Counted from public VPN and datacenter lists. Check individual IPs with the API.
Largest announced prefixes
- 217.204.0.0/15
- 82.111.0.0/16
- 81.188.0.0/16
- 67.100.0.0/16
- 66.166.0.0/16
- 65.84.0.0/16
- 212.168.0.0/16
- 195.81.0.0/16
- 154.15.0.0/16
- 134.222.0.0/16
Source: public routing and registration data, updated 2026-10-28.
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