AS3257
GTT Communications Inc. ISP registered in United States
1,344IPv4 prefixes
48IPv6 prefixes
36%RPKI-valid
#3AS Rank
#24Rank in United States
1994-09-30Allocated
GTT Communications Inc. (AS3257) — ISP, registered in United States. announces 1,344 IPv4 prefixes + 48 IPv6 prefixes. Rank in United States: #24. Allocated: 1994-09-30.
IPv4 1,344IPv6 48
Announced prefixes · 1,392
- v4 207.145.0.0/16 unknown
- v4 207.145.10.0/24 valid
- v4 207.145.100.0/24 unknown
- v4 207.145.11.0/24 valid
- v4 207.145.153.0/24 unknown
- v4 207.145.159.0/24 unknown
- v4 207.145.191.0/24 unknown
- v4 207.145.4.0/24 valid
- v4 207.145.5.0/24 valid
- v4 207.162.192.0/20 unknown
- v4 207.168.0.0/16 unknown
- v4 207.168.115.0/24 invalid
- v4 207.168.24.0/24 invalid
- v4 207.168.25.0/24 invalid
- v4 207.168.62.0/24 invalid
- v4 207.168.88.0/24 invalid
- v4 207.189.208.0/20 unknown
- v4 207.223.96.0/20 unknown
- v4 207.230.104.0/22 valid
- v4 207.251.0.0/19 unknown
- v4 207.34.32.0/20 unknown
- v4 207.41.160.0/19 unknown
- v4 207.86.174.0/23 unknown
- v4 207.97.128.0/18 unknown
- v4 207.97.136.0/24 unknown
- v4 207.97.137.0/24 unknown
- v4 207.97.138.0/24 unknown
- v4 207.97.139.0/24 unknown
- v4 207.97.140.0/24 unknown
- v4 207.97.141.0/24 unknown
- v4 207.97.143.0/24 unknown
- v4 207.97.144.0/24 unknown
- v4 208.103.164.0/24 unknown
- v4 208.113.0.0/18 unknown
- v4 208.116.128.0/17 unknown
- v4 208.116.153.0/24 unknown
- v4 208.116.205.0/24 unknown
- v4 208.41.0.0/16 unknown
- v4 208.72.208.0/24 valid
- v4 208.77.64.0/21 unknown
- v4 208.81.84.0/22 valid
- v4 208.84.48.0/21 unknown
- v4 208.97.192.0/18 unknown
- v4 209.101.0.0/16 unknown
- v4 209.101.62.0/24 unknown
- v4 209.117.12.0/23 unknown
- v4 209.117.232.0/22 unknown
- v4 209.117.238.0/24 unknown
- v4 209.119.148.0/22 unknown
- v4 209.119.151.0/24 unknown
RPKI: rpki.cloudflare.com · 2026-06-23
— Routing status unavailable
Prefix history
Data table
| Day | Announced prefixes |
|---|---|
| 2026-06-12 | 1400 |
| 2026-06-13 | 1400 |
| 2026-06-14 | 1391 |
| 2026-06-16 | 1391 |
| 2026-06-17 | 1391 |
| 2026-06-19 | 1391 |
| 2026-06-20 | 1392 |
| 2026-06-21 | 1392 |
| 2026-06-22 | 1392 |
| 2026-06-23 | 1392 |
Internet Exchanges · 2
- DE-CIX Frankfurt Frankfurt 100 Gbps
- LINX LON1 London 10 Gbps
Facilities · 275
- 123.NET - DC1 - 24700 Northwestern Hwy. Southfield
- 1500 Champa Denver
- AT TOKYO (CC1/CC2) Tokyo
- ATMAN Data Center Warsaw-2 (WAW-2, Konstruktorska 5) Warsaw
- Arelion Oslo OKR/C Oslo
- BIT-2 Ede
- BIX Building (Victor Hugo street) Budapest
- Bulk Oslo Internet Exchange - OS-IX Oslo
- CE Colo Prague Prague
- CIX Cork City
- COLT in Asia Tokyo Data Center 1 (TDC1) Tokyo
- CarrierColo Berlin Luetzow (I/P/B/ site B) Berlin
- ColoHouse Miami Miami
- Cologix COL1 Columbus
- Cologix COL2 Columbus
- Cologix COL3 Columbus
- Cologix DAL1 Dallas
- Cologix DAL2 Dallas
- Cologix DAL3 Dallas
- Cologix JAX1 Jacksonville
- Cologix MIN1 Minneapolis
- Cologix MTL1 Montreal
- Cologix MTL2 Montreal
- Cologix MTL3 Montreal
- Cologix TOR1 Toronto
+250
AS topology · Customer cone 41,927
Peers · 38
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