AS3257 GTT Communications Inc. 🇺🇸 US
Announcing 1,980 prefixes, seen at the RIS collectors.
IPv4 prefixes
1,910
9,386,520 (36,666 × /24)
IPv6 prefixes
70
104 × /32
Upstreams
44
transit providers observed
Peers
25
settlement-free adjacencies
Downstreams
1,797
transit customers observed
Customer cone
63,125
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
1,910 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 195.86.35.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 195.86.44.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 195.86.46.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 195.86.52.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 195.86.53.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 195.86.54.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 195.86.55.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 195.86.164.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 195.86.165.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 195.86.166.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 195.86.167.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 195.86.180.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 195.86.181.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 195.86.182.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 195.86.183.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 195.86.184.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 195.86.185.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 195.86.225.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 195.86.226.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 195.86.227.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 195.86.229.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 195.86.236.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 195.86.237.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 195.94.32.0/19 v4 | no ROA | 44 | 345493257 | 2026-09-18 |
| 195.114.64.0/19 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 195.122.32.0/19 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 195.128.191.0/24 v4 | no ROA | 20 | 345493257 | 2026-09-18 |
| 195.134.192.0/19 v4 | no ROA | 44 | 345493257 | 2026-09-18 |
| 195.138.104.0/22 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 195.138.105.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 195.138.106.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 195.138.112.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 195.138.122.0/23 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 195.138.128.0/19 v4 | no ROA | 44 | 345493257 | 2026-09-18 |
| 195.143.0.0/16 v4 | RPKI valid | 44 | 345493257 | 2026-09-18 |
| 195.149.128.0/18 v4 | no ROA | 44 | 345493257 | 2026-09-18 |
| 195.160.192.0/23 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 195.160.193.0/24 v4 | RPKI invalid | 7 | 226523257 | 2026-09-18 |
| 195.162.224.0/19 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 195.172.0.0/16 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 195.177.0.0/18 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 195.180.0.0/21 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 195.180.14.0/23 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 195.180.64.0/18 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 195.190.64.0/19 v4 | no ROA | 44 | 345493257 | 2026-09-18 |
| 195.190.76.0/24 v4 | no ROA | 1 | 580573257 | 2026-10-16 |
| 195.190.155.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 195.202.96.0/19 v4 | no ROA | 44 | 345493257 | 2026-09-18 |
| 195.202.115.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 195.202.116.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 195.202.118.0/24 v4 | no ROA | 44 | 345493257 | 2026-09-18 |
| 195.214.216.0/22 v4 | RPKI invalid | 13 | 226523257 | 2026-09-18 |
| 195.214.216.0/24 v4 | RPKI invalid | 13 | 226523257 | 2026-09-18 |
| 195.234.152.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 195.246.128.0/19 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 195.248.142.0/23 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 195.248.143.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 198.1.194.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 198.20.140.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 198.20.141.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 198.20.142.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 198.20.143.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 198.44.155.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 198.47.96.0/19 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 198.47.102.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 198.144.96.0/19 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 198.144.105.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 198.144.106.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 198.144.107.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 198.144.122.0/24 v4 | RPKI invalid | 7 | 226523257 | 2026-09-18 |
| 198.144.123.0/24 v4 | RPKI invalid | 7 | 226523257 | 2026-09-18 |
| 198.144.127.0/24 v4 | RPKI invalid | 7 | 226523257 | 2026-09-18 |
| 198.181.220.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 198.233.66.0/23 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 198.233.80.0/23 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 198.233.82.0/23 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 199.21.52.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 199.21.52.8/29 v4 | no ROA | 1 | 21324190023257 | 2026-09-18 |
| 199.21.52.16/29 v4 | no ROA | 1 | 21324190023257 | 2026-09-18 |
| 199.21.52.32/29 v4 | no ROA | 1 | 21324190023257 | 2026-09-18 |
| 199.58.224.0/21 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 199.58.226.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 199.73.16.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 199.73.20.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 199.73.21.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 199.116.144.0/21 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 199.116.149.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 199.168.60.0/22 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 199.229.224.0/21 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 199.244.198.0/23 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 200.106.128.0/20 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 201.10.64.0/22 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 201.14.226.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 201.14.229.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 201.14.233.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 201.14.235.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 201.14.238.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 201.14.240.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 201.14.243.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 201.14.244.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 201.14.245.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 201.14.249.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 201.14.251.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 201.14.252.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 201.14.253.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 201.14.254.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 201.14.255.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 203.79.32.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 203.188.183.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 204.9.59.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 204.15.200.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 204.93.32.0/19 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 204.93.49.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 204.97.92.0/22 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 204.97.96.0/21 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 204.139.8.0/21 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 204.139.12.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 204.139.13.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 204.139.14.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 204.139.15.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 204.147.224.0/20 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 204.193.36.0/23 v4 | no ROA | 32 | 377213257 | 2026-09-18 |
| 204.232.64.0/20 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 204.237.128.0/17 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 204.237.216.0/22 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 205.159.76.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 205.179.0.0/16 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 205.186.116.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 205.201.160.0/19 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 205.207.120.0/21 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 205.207.160.0/21 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 205.214.32.0/19 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 205.214.48.0/20 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 205.234.145.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 205.234.171.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 205.247.0.0/20 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 206.40.192.0/19 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 206.40.208.0/20 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 206.108.128.0/18 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 206.135.0.0/16 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 206.135.148.0/22 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 206.135.160.0/20 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 206.135.176.0/20 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 206.217.64.0/18 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 206.231.224.0/20 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 206.253.0.0/19 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 207.34.32.0/20 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 207.41.160.0/19 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 207.86.174.0/23 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 207.97.128.0/18 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 207.97.136.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 207.97.137.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 207.97.138.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 207.97.139.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 207.97.140.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 207.97.141.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 207.97.143.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 207.97.144.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 207.145.0.0/16 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 207.145.4.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 207.145.5.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 207.145.10.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 207.145.11.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 207.145.14.0/24 v4 | RPKI invalid | 7 | 226523257 | 2026-09-18 |
| 207.145.15.0/24 v4 | RPKI invalid | 7 | 226523257 | 2026-09-18 |
| 207.145.40.0/24 v4 | RPKI invalid | 7 | 226523257 | 2026-09-18 |
| 207.145.41.0/24 v4 | RPKI invalid | 7 | 226523257 | 2026-09-18 |
| 207.145.50.0/24 v4 | RPKI invalid | 7 | 226523257 | 2026-09-18 |
| 207.145.51.0/24 v4 | RPKI invalid | 7 | 226523257 | 2026-09-18 |
| 207.145.100.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 207.145.153.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 207.145.154.0/24 v4 | RPKI invalid | 7 | 226523257 | 2026-09-18 |
| 207.145.155.0/24 v4 | RPKI invalid | 7 | 226523257 | 2026-09-18 |
| 207.145.156.0/24 v4 | RPKI invalid | 7 | 226523257 | 2026-09-18 |
| 207.145.157.0/24 v4 | RPKI invalid | 7 | 226523257 | 2026-09-18 |
| 207.145.159.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 207.145.188.0/24 v4 | RPKI invalid | 7 | 226523257 | 2026-09-18 |
| 207.145.189.0/24 v4 | RPKI invalid | 7 | 226523257 | 2026-09-18 |
| 207.145.191.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 207.145.249.0/24 v4 | RPKI invalid | 7 | 226523257 | 2026-09-18 |
| 207.145.250.0/24 v4 | RPKI invalid | 7 | 226523257 | 2026-09-18 |
| 207.145.252.0/24 v4 | RPKI invalid | 7 | 226523257 | 2026-09-18 |
| 207.145.253.0/24 v4 | RPKI invalid | 7 | 226523257 | 2026-09-24 |
| 207.145.255.0/24 v4 | RPKI invalid | 7 | 226523257 | 2026-09-18 |
| 207.162.192.0/20 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 207.168.0.0/16 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 207.168.24.0/24 v4 | RPKI invalid | 7 | 226523257 | 2026-09-18 |
| 207.168.25.0/24 v4 | RPKI invalid | 7 | 226523257 | 2026-09-18 |
| 207.168.62.0/24 v4 | RPKI invalid | 7 | 226523257 | 2026-09-18 |
| 207.168.88.0/24 v4 | RPKI invalid | 7 | 226523257 | 2026-09-18 |
| 207.168.115.0/24 v4 | RPKI invalid | 7 | 226523257 | 2026-09-18 |
| 207.189.208.0/20 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 207.223.96.0/20 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 207.230.104.0/22 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 207.251.0.0/19 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 208.41.0.0/16 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 208.72.208.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 208.77.64.0/21 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 208.81.84.0/22 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 208.84.48.0/21 v4 | no ROA | 43 | 345493257 | 2026-09-18 |