AS3257 GTT Communications Inc. 🇺🇸 US
Announcing 1,956 prefixes, seen at the RIS collectors.
IPv4 prefixes
1,886
9,377,792 (36,632 × /24)
IPv6 prefixes
70
104 × /32
Upstreams
45
transit providers observed
Peers
27
settlement-free adjacencies
Downstreams
1,796
transit customers observed
Customer cone
65,350
ASes reachable through it
Registry and operator data
- AS number
- AS3257
- Name
- GTT Communications Inc.
- Organisation
- GTT Communications (AS3257)
- Country
- 🇺🇸 US
- RIR
- RIPENCC
- Allocated
- 1994-09-30
- Network type
- NSP
- Traffic levels
- 100+Tbps
- Scope
- Global
- Peering policy
- Restrictive
- IRR as-set
- RIPE::AS-GTT
- Website
- http://www.gtt.net
- Looking glass
- http://www.as3257.net/lg/
- PeeringDB
- net/14
- Exchanges
- 2
- Facilities
- 275
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
1,886 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 74.2.56.0/22 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 74.2.116.0/22 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 74.2.161.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 74.2.164.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 74.2.166.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 74.2.176.0/22 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 74.2.188.0/22 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 74.2.224.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 74.2.226.0/23 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 74.2.240.0/22 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 74.3.0.0/17 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 74.82.96.0/19 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 74.112.80.0/21 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 74.121.80.0/21 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 74.199.128.0/17 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 74.199.143.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 74.203.188.0/22 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 74.211.128.0/17 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 75.75.245.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-21 |
| 76.72.236.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 76.74.0.0/17 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 76.74.17.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 76.78.242.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 76.78.243.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 76.78.244.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 76.78.245.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 77.67.0.0/17 v4 | RPKI valid | 44 | 345493257 | 2026-09-18 |
| 77.67.33.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 77.67.35.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 77.67.106.0/24 v4 | RPKI valid | 20 | 345493257 | 2026-09-18 |
| 77.75.197.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 77.77.128.0/18 v4 | RPKI valid | 44 | 345493257 | 2026-09-18 |
| 77.77.160.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 77.77.168.0/21 v4 | RPKI valid | 1 | 580573257 | 2026-11-04 |
| 77.77.176.0/20 v4 | RPKI valid | 1 | 580573257 | 2026-11-04 |
| 77.107.81.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 77.107.94.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 77.107.103.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 77.107.104.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 77.107.113.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 77.107.115.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 77.107.126.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 78.40.200.0/21 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 78.105.186.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 78.105.199.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 78.105.222.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 78.105.246.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 78.152.32.0/19 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 78.154.96.0/19 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 79.121.128.0/17 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 79.121.200.0/21 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 79.176.64.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 79.176.110.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 79.176.112.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 80.68.208.0/20 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 80.81.76.0/24 v4 | RPKI invalid | 7 | 226523257 | 2026-09-18 |
| 80.81.77.0/24 v4 | RPKI invalid | 7 | 226523257 | 2026-09-18 |
| 80.82.128.0/20 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 80.82.132.0/22 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 80.88.224.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 80.88.225.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 80.94.64.0/20 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 80.253.96.0/19 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 80.253.110.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 81.31.0.0/19 v4 | no ROA | 44 | 345493257 | 2026-09-18 |
| 81.94.96.0/20 v4 | no ROA | 1 | 580573257 | 2026-11-04 |
| 81.168.127.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 81.188.0.0/16 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 82.26.207.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 82.108.0.0/15 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 82.109.4.0/22 v4 | RPKI invalid | 7 | 226523257 | 2026-09-18 |
| 82.110.0.0/16 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 82.110.32.0/20 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 82.111.0.0/16 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 82.119.192.0/19 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 82.138.192.0/18 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 82.151.224.0/19 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 82.151.226.0/23 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 82.151.228.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 82.151.240.0/22 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 82.152.15.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 82.152.19.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 82.152.82.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 82.152.103.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 82.152.134.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 82.152.242.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 82.153.146.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 82.153.158.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 82.158.208.0/22 v4 | RPKI valid | 43 | 345493257 | 2026-10-31 |
| 82.158.212.0/22 v4 | RPKI valid | 43 | 345493257 | 2026-10-31 |
| 82.158.216.0/22 v4 | RPKI valid | 43 | 345493257 | 2026-10-31 |
| 82.158.220.0/22 v4 | RPKI valid | 43 | 345493257 | 2026-10-31 |
| 83.148.128.0/18 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 83.148.139.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 83.245.0.0/17 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 83.245.0.0/23 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 83.245.56.0/23 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 83.245.56.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 83.245.57.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 83.245.62.0/23 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 83.245.109.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 84.20.0.0/19 v4 | no ROA | 44 | 345493257 | 2026-09-18 |
| 84.37.0.0/16 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 84.75.39.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 84.75.43.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 84.75.49.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 84.75.54.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 84.75.60.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 84.75.66.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 84.75.79.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 84.75.160.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 84.233.128.0/17 v4 | no ROA | 44 | 345493257 | 2026-09-18 |
| 84.247.105.0/24 v4 | RPKI invalid | 13 | 226523257 | 2026-09-18 |
| 85.95.64.0/19 v4 | no ROA | 44 | 345493257 | 2026-09-18 |
| 85.137.216.0/22 v4 | RPKI valid | 43 | 345493257 | 2026-10-31 |
| 85.137.224.0/22 v4 | RPKI valid | 43 | 345493257 | 2026-10-31 |
| 85.158.64.0/21 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 85.189.0.0/16 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 85.189.56.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 85.189.104.0/22 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 85.189.112.0/22 v4 | no ROA | 42 | 345493257 | 2026-09-18 |
| 85.189.120.0/22 v4 | no ROA | 42 | 345493257 | 2026-09-18 |
| 86.53.0.0/16 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 86.53.0.0/23 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 86.53.9.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 86.53.10.0/23 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 86.53.28.0/24 v4 | no ROA | 43 | 345493257 | 2026-10-01 |
| 86.53.96.0/22 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 86.53.100.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 86.53.104.0/21 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 86.53.132.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 86.53.134.0/23 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 86.53.140.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 86.53.148.0/22 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 86.53.160.0/22 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 86.53.180.0/22 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 86.53.184.0/21 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 86.53.204.0/22 v4 | no ROA | 42 | 345493257 | 2026-09-18 |
| 86.53.252.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 86.106.80.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 86.111.224.0/22 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 87.82.0.0/15 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 87.82.228.0/24 v4 | no ROA | 43 | 345493257 | 2026-10-01 |
| 87.84.0.0/14 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 87.84.0.0/15 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 87.85.65.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 87.85.132.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 87.85.135.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 87.85.251.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 87.86.0.0/16 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 87.86.48.0/20 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 87.86.76.0/24 v4 | RPKI invalid | 7 | 226523257 | 2026-09-18 |
| 87.86.190.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 87.87.0.0/16 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 87.87.144.0/20 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 87.87.160.0/20 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 87.87.176.0/20 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 87.119.64.0/18 v4 | RPKI valid | 44 | 345493257 | 2026-09-18 |
| 87.119.80.0/21 v4 | RPKI valid | 1 | 580573257 | 2026-11-04 |
| 88.81.160.0/19 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 88.218.172.0/22 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 89.39.242.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 89.42.168.0/22 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 89.47.118.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 89.149.52.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 89.149.128.0/18 v4 | RPKI valid | 44 | 345493257 | 2026-09-18 |
| 89.149.148.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 89.149.170.0/24 v4 | RPKI valid | 20 | 345493257 | 2026-09-18 |
| 89.167.128.0/17 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 89.167.234.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 89.167.235.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 89.167.248.0/21 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 89.202.128.0/17 v4 | no ROA | 44 | 345493257 | 2026-09-18 |
| 89.202.141.0/24 v4 | no ROA | 1 | 580573257 | 2026-11-04 |
| 89.202.156.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 89.202.234.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 89.251.192.0/20 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 91.143.176.0/20 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 91.192.240.0/22 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 91.198.73.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 91.200.75.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 91.208.37.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 91.232.35.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 91.242.72.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 91.242.74.0/23 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 91.242.94.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 91.242.95.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 91.242.103.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 92.54.128.0/18 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 92.60.240.0/20 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 92.71.0.0/17 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 92.71.48.0/21 v4 | RPKI invalid | 8 | 226523257 | 2026-09-18 |
| 92.71.128.0/18 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 92.244.160.0/19 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 93.113.158.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 93.152.0.0/17 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 93.152.3.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 93.152.5.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 93.152.7.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 93.152.8.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |