AS3257 GTT Communications Inc. 🇺🇸 US
Announcing 1,960 prefixes, seen at the RIS collectors.
IPv4 prefixes
1,890
9,326,104 (36,430 × /24)
IPv6 prefixes
70
104 × /32
Upstreams
46
transit providers observed
Peers
26
settlement-free adjacencies
Downstreams
1,813
transit customers observed
Customer cone
63,581
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
- 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
1,960 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 209.101.167.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 209.101.185.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 209.101.186.0/23 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 209.101.193.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 209.101.195.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 209.101.205.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 209.101.207.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 209.101.222.0/23 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 209.101.229.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 209.101.230.0/23 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 209.117.12.0/23 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 209.117.232.0/22 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 209.117.238.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 209.119.148.0/22 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 209.119.151.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 209.120.128.0/17 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 209.166.0.0/18 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 209.213.192.0/19 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 209.213.218.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 209.246.60.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 209.246.61.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 209.246.62.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 209.250.96.0/19 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 209.250.114.0/24 v4 | RPKI invalid | 7 | 226523257 | 2026-09-18 |
| 209.250.115.0/24 v4 | RPKI invalid | 7 | 226523257 | 2026-09-18 |
| 212.0.224.0/19 v4 | RPKI valid | 44 | 345493257 | 2026-09-18 |
| 212.1.0.0/19 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 212.2.0.0/19 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.11.0.0/18 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.14.64.0/19 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 212.23.32.0/19 v4 | no ROA | 44 | 345493257 | 2026-09-18 |
| 212.23.49.96/28 v4 | no ROA | 1 | 21324190023257 | 2026-09-18 |
| 212.27.160.0/19 v4 | RPKI valid | 44 | 345493257 | 2026-09-18 |
| 212.56.0.0/19 v4 | RPKI valid | 44 | 345493257 | 2026-09-18 |
| 212.56.48.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 212.56.49.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 212.56.52.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 212.74.0.0/19 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.81.64.0/18 v4 | RPKI valid | 44 | 345493257 | 2026-09-18 |
| 212.100.160.0/19 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 212.115.128.0/18 v4 | RPKI valid | 44 | 345493257 | 2026-09-18 |
| 212.115.162.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 212.134.0.0/15 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.134.20.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 212.134.27.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 212.135.6.0/23 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 212.135.20.0/24 v4 | RPKI invalid | 7 | 226523257 | 2026-09-18 |
| 212.168.0.0/16 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.1.0/26 v4 | no ROA | 1 | 21324190023257 | 2026-09-18 |
| 212.168.2.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.3.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.4.0/22 v4 | RPKI invalid | 8 | 226523257 | 2026-09-18 |
| 212.168.8.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.9.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.10.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.11.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.12.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.13.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.14.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.15.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.17.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.18.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.19.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.20.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.21.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.22.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.23.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.25.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.26.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.27.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.28.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.29.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.30.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.31.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.33.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.34.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.35.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.36.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.37.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.38.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.39.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.40.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.41.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.42.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.43.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.44.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.45.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.46.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.47.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.160.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.162.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.163.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.164.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.165.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.166.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.167.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.168.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.169.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.170.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.171.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.184.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.185.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.186.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.187.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.188.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.190.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.191.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.192.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.194.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.195.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.196.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.197.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.198.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.168.199.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.180.0.0/17 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.180.5.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.180.83.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.187.251.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.189.0.0/17 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 212.212.0.0/16 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 212.221.0.0/17 v4 | RPKI valid | 44 | 345493257 | 2026-09-18 |
| 212.221.61.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 212.222.0.0/16 v4 | RPKI valid | 44 | 345493257 | 2026-09-18 |
| 212.222.34.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 212.222.91.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 212.222.157.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 212.222.158.0/23 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 212.222.224.0/23 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 212.222.224.0/24 v4 | RPKI valid | 44 | 345493257 | 2026-09-18 |
| 212.222.225.0/24 v4 | RPKI valid | 44 | 345493257 | 2026-09-18 |
| 213.39.0.0/17 v4 | no ROA | 44 | 345493257 | 2026-09-18 |
| 213.39.91.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 213.39.92.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 213.134.25.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 213.139.0.0/19 v4 | no ROA | 44 | 345493257 | 2026-09-18 |
| 213.160.96.0/19 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 213.169.192.0/18 v4 | no ROA | 44 | 345493257 | 2026-09-18 |
| 213.177.224.0/19 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 213.177.226.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 213.177.227.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 213.177.230.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 213.177.231.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 213.177.234.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 213.177.235.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 213.177.238.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 213.177.239.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 213.177.242.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 213.177.243.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 213.177.246.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 213.177.247.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 213.177.250.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 213.177.251.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 213.187.150.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 213.193.128.0/18 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 213.193.155.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 213.200.64.0/18 v4 | RPKI valid | 44 | 345493257 | 2026-09-18 |
| 213.201.128.0/17 v4 | no ROA | 44 | 345493257 | 2026-09-18 |
| 213.201.192.0/19 v4 | no ROA | 1 | 580573257 | 2026-10-16 |
| 213.201.224.0/19 v4 | no ROA | 1 | 580573257 | 2026-10-16 |
| 213.228.192.0/18 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 213.228.196.0/23 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 213.228.199.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 213.228.239.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 213.235.0.0/18 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 213.251.0.0/18 v4 | RPKI valid | 44 | 345493257 | 2026-09-18 |
| 213.254.192.0/18 v4 | RPKI valid | 44 | 345493257 | 2026-09-18 |
| 213.254.213.0/24 v4 | RPKI valid | 1 | 580573257 | 2026-10-16 |
| 216.27.128.0/18 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 216.36.64.0/18 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 216.36.64.0/20 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 216.36.80.0/21 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 216.36.88.0/22 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 216.36.92.0/23 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 216.36.96.0/19 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 216.39.248.0/22 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 216.46.64.0/19 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 216.46.70.0/23 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 216.46.88.0/23 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 216.52.250.0/23 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 216.73.172.0/22 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 216.132.0.0/16 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 216.132.225.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 216.133.0.0/17 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 216.133.128.0/18 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 216.133.146.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 216.133.147.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 216.133.192.0/19 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 216.138.64.0/18 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 216.145.43.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 216.151.224.0/19 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 216.170.113.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 216.170.115.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 216.175.128.0/17 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 216.184.128.0/17 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 216.193.192.0/18 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 216.221.144.0/20 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 216.224.0.0/18 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 216.231.32.0/19 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 216.234.32.0/19 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 216.254.0.0/17 v4 | no ROA | 43 | 345493257 | 2026-09-18 |