AS3257 GTT Communications Inc. 🇺🇸 US
Announcing 1,979 prefixes, seen at the RIS collectors.
IPv4 prefixes
1,909
9,386,008 (36,664 × /24)
IPv6 prefixes
70
104 × /32
Upstreams
41
transit providers observed
Peers
28
settlement-free adjacencies
Downstreams
1,798
transit customers observed
Customer cone
65,626
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
1,979 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 144.225.243.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 144.225.250.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 145.43.251.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 146.19.50.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 146.19.55.0/24 v4 | no ROA | 42 | 345493257 | 2026-09-18 |
| 149.62.43.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 149.126.104.0/21 v4 | no ROA | 42 | 345493257 | 2026-09-18 |
| 149.235.0.0/16 v4 | no ROA | 42 | 345493257 | 2026-09-18 |
| 150.251.16.0/20 v4 | RPKI valid | 41 | 345493257 | 2026-10-31 |
| 150.251.192.0/20 v4 | RPKI valid | 41 | 345493257 | 2026-10-31 |
| 153.76.24.0/21 v4 | RPKI valid | 41 | 345493257 | 2026-09-18 |
| 153.76.124.0/22 v4 | RPKI valid | 41 | 345493257 | 2026-09-18 |
| 153.79.128.0/20 v4 | RPKI valid | 40 | 345493257 | 2026-10-31 |
| 153.79.144.0/20 v4 | RPKI valid | 40 | 345493257 | 2026-10-31 |
| 153.79.192.0/20 v4 | RPKI valid | 40 | 345493257 | 2026-10-31 |
| 153.79.208.0/20 v4 | RPKI valid | 40 | 345493257 | 2026-10-31 |
| 154.14.0.0/16 v4 | no ROA | 42 | 345493257 | 2026-09-18 |
| 154.14.51.0/24 v4 | no ROA | 42 | 345493257 | 2026-09-18 |
| 154.14.58.0/24 v4 | no ROA | 41 | 345493257 | 2026-09-18 |
| 154.81.50.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 154.206.240.0/21 v4 | RPKI invalid | 8 | 226523257 | 2026-09-18 |
| 154.206.248.0/21 v4 | RPKI invalid | 8 | 226523257 | 2026-09-18 |
| 154.208.64.0/21 v4 | no ROA | 41 | 345493257 | 2026-09-18 |
| 154.208.112.0/21 v4 | no ROA | 41 | 345493257 | 2026-09-18 |
| 155.117.162.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 155.229.0.0/16 v4 | no ROA | 42 | 345493257 | 2026-09-18 |
| 155.229.51.0/24 v4 | no ROA | 41 | 345493257 | 2026-09-18 |
| 155.229.84.0/24 v4 | RPKI invalid | 7 | 226523257 | 2026-09-24 |
| 155.229.85.0/24 v4 | RPKI invalid | 7 | 226523257 | 2026-09-24 |
| 155.229.90.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 155.229.91.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 155.229.92.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 155.229.93.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 155.229.198.0/24 v4 | RPKI invalid | 7 | 226523257 | 2026-09-24 |
| 155.229.199.0/24 v4 | RPKI invalid | 7 | 226523257 | 2026-09-18 |
| 155.229.210.0/24 v4 | RPKI invalid | 7 | 226523257 | 2026-09-18 |
| 155.229.211.0/24 v4 | RPKI invalid | 7 | 226523257 | 2026-09-18 |
| 155.229.242.0/24 v4 | RPKI invalid | 7 | 226523257 | 2026-09-18 |
| 155.229.243.0/24 v4 | RPKI invalid | 7 | 226523257 | 2026-09-18 |
| 156.43.80.0/24 v4 | no ROA | 42 | 345493257 | 2026-09-18 |
| 156.225.15.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 156.228.7.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 156.228.9.0/24 v4 | RPKI valid | 1 | 333311033257 | 2026-09-18 |
| 156.228.16.0/23 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 159.63.176.0/21 v4 | no ROA | 42 | 345493257 | 2026-09-18 |
| 160.48.161.0/24 v4 | no ROA | 1 | 333311033257 | 2026-09-18 |
| 161.195.157.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 162.141.49.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 162.141.64.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 162.141.95.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 162.141.122.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 162.141.165.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 162.142.20.0/24 v4 | no ROA | 41 | 345493257 | 2026-09-18 |
| 162.142.22.0/24 v4 | no ROA | 41 | 345493257 | 2026-09-18 |
| 162.210.152.0/22 v4 | no ROA | 42 | 345493257 | 2026-09-18 |
| 162.210.154.0/24 v4 | no ROA | 42 | 345493257 | 2026-09-18 |
| 162.210.155.0/24 v4 | no ROA | 42 | 345493257 | 2026-09-18 |
| 162.212.200.0/21 v4 | no ROA | 42 | 345493257 | 2026-09-18 |
| 162.217.172.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-10-30 |
| 162.221.208.0/22 v4 | no ROA | 42 | 345493257 | 2026-09-18 |
| 162.244.76.0/22 v4 | no ROA | 41 | 345493257 | 2026-09-18 |
| 162.244.156.0/23 v4 | no ROA | 42 | 345493257 | 2026-09-18 |
| 162.246.12.0/22 v4 | no ROA | 42 | 345493257 | 2026-09-18 |
| 165.217.64.0/20 v4 | RPKI valid | 40 | 345493257 | 2026-10-31 |
| 165.217.80.0/20 v4 | RPKI valid | 40 | 345493257 | 2026-10-31 |
| 166.0.11.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 166.0.12.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 166.0.20.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 166.0.72.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 166.0.73.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 166.0.74.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 166.0.75.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 166.0.116.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 166.0.120.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 166.0.127.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 166.0.144.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 166.0.215.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 166.1.0.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 166.1.75.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 166.1.84.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 166.1.110.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 166.1.233.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 166.1.239.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 166.88.0.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 166.88.45.0/24 v4 | RPKI valid | 41 | 345493257 | 2026-09-18 |
| 166.88.124.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 166.88.125.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 166.88.171.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 166.88.175.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 166.88.181.0/24 v4 | RPKI valid | 41 | 345493257 | 2026-09-18 |
| 166.88.212.0/24 v4 | RPKI valid | 41 | 345493257 | 2026-09-18 |
| 166.88.218.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 166.88.219.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 166.88.249.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 166.90.76.0/24 v4 | no ROA | 41 | 345493257 | 2026-09-18 |
| 166.90.77.0/24 v4 | no ROA | 41 | 345493257 | 2026-09-18 |
| 166.90.78.0/24 v4 | no ROA | 41 | 345493257 | 2026-09-18 |
| 166.90.79.0/24 v4 | no ROA | 41 | 345493257 | 2026-09-18 |
| 167.148.1.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 167.148.4.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 167.148.5.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 167.148.14.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 167.148.29.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 167.148.35.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 167.148.70.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 167.148.100.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 167.148.102.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 167.148.106.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 167.148.127.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 167.160.55.0/24 v4 | no ROA | 41 | 345493257 | 2026-09-18 |
| 167.160.56.0/21 v4 | no ROA | 41 | 345493257 | 2026-09-18 |
| 167.246.57.0/24 v4 | no ROA | 42 | 345493257 | 2026-09-18 |
| 167.246.58.0/24 v4 | no ROA | 42 | 345493257 | 2026-09-18 |
| 168.199.137.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-10-30 |
| 168.245.240.0/20 v4 | no ROA | 42 | 345493257 | 2026-09-18 |
| 170.62.132.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 170.62.133.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 170.62.134.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 170.62.135.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 170.62.140.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 170.62.143.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 170.62.144.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 170.62.145.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 170.83.236.0/22 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 170.200.250.0/24 v4 | no ROA | 41 | 345493257 | 2026-09-18 |
| 170.231.250.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 171.25.216.0/24 v4 | no ROA | 41 | 345493257 | 2026-09-18 |
| 172.120.26.0/24 v4 | RPKI valid | 41 | 345493257 | 2026-09-18 |
| 172.121.109.0/24 v4 | RPKI valid | 41 | 345493257 | 2026-09-18 |
| 172.121.141.0/24 v4 | RPKI valid | 41 | 345493257 | 2026-09-18 |
| 172.121.156.0/24 v4 | RPKI valid | 41 | 345493257 | 2026-09-18 |
| 172.121.162.0/24 v4 | RPKI valid | 41 | 345493257 | 2026-09-18 |
| 172.121.163.0/24 v4 | RPKI valid | 41 | 345493257 | 2026-09-18 |
| 172.121.164.0/24 v4 | RPKI valid | 41 | 345493257 | 2026-09-18 |
| 172.121.165.0/24 v4 | RPKI valid | 41 | 345493257 | 2026-09-18 |
| 172.121.166.0/24 v4 | RPKI valid | 41 | 345493257 | 2026-09-18 |
| 172.121.167.0/24 v4 | RPKI valid | 41 | 345493257 | 2026-09-18 |
| 172.121.168.0/24 v4 | RPKI valid | 41 | 345493257 | 2026-09-18 |
| 172.121.169.0/24 v4 | RPKI valid | 41 | 345493257 | 2026-09-18 |
| 172.121.192.0/19 v4 | RPKI valid | 41 | 345493257 | 2026-09-18 |
| 172.121.232.0/24 v4 | RPKI valid | 41 | 345493257 | 2026-09-18 |
| 172.121.236.0/22 v4 | RPKI valid | 41 | 345493257 | 2026-09-18 |
| 173.0.112.0/20 v4 | no ROA | 42 | 345493257 | 2026-09-18 |
| 173.44.189.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 173.44.234.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 173.44.245.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 173.205.0.0/17 v4 | no ROA | 42 | 345493257 | 2026-09-18 |
| 173.205.1.0/24 v4 | RPKI invalid | 7 | 226523257 | 2026-09-18 |
| 173.205.5.0/24 v4 | RPKI invalid | 7 | 226523257 | 2026-09-18 |
| 173.205.21.0/24 v4 | RPKI invalid | 7 | 226523257 | 2026-09-18 |
| 173.205.34.0/24 v4 | RPKI invalid | 7 | 226523257 | 2026-09-18 |
| 173.232.9.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 173.232.21.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 173.232.61.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 173.232.121.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-29 |
| 173.232.180.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-25 |
| 173.232.243.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 173.232.253.0/24 v4 | no ROA | 42 | 345493257 | 2026-09-18 |
| 173.232.255.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 173.241.128.0/20 v4 | no ROA | 42 | 345493257 | 2026-09-18 |
| 173.244.112.0/20 v4 | no ROA | 42 | 345493257 | 2026-09-18 |
| 176.117.60.0/24 v4 | no ROA | 41 | 345493257 | 2026-09-18 |
| 176.124.254.0/23 v4 | RPKI valid | 41 | 345493257 | 2026-09-18 |
| 176.126.74.0/24 v4 | no ROA | 1 | 20409234019330333203257 | 2026-09-18 |
| 177.1.204.0/22 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 178.92.131.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 178.92.133.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 178.92.148.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 178.92.155.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 178.93.244.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 178.95.116.0/22 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 178.175.176.0/22 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 179.61.163.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 179.198.8.0/22 v4 | RPKI valid | 41 | 345493257 | 2026-09-18 |
| 179.198.28.0/22 v4 | RPKI valid | 41 | 345493257 | 2026-09-18 |
| 179.198.52.0/23 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 179.198.54.0/23 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 179.254.100.0/23 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 179.254.102.0/23 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 181.214.8.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 181.214.186.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 181.214.206.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 183.182.80.0/22 v4 | RPKI valid | 41 | 345493257 | 2026-09-18 |
| 185.3.30.0/23 v4 | RPKI valid | 41 | 345493257 | 2026-09-18 |
| 185.3.72.0/22 v4 | no ROA | 42 | 345493257 | 2026-09-18 |
| 185.4.164.0/22 v4 | no ROA | 42 | 345493257 | 2026-09-18 |
| 185.15.224.0/24 v4 | no ROA | 42 | 345493257 | 2026-09-18 |
| 185.15.226.0/24 v4 | no ROA | 42 | 345493257 | 2026-09-18 |
| 185.15.227.0/24 v4 | no ROA | 42 | 345493257 | 2026-09-18 |
| 185.19.100.0/22 v4 | no ROA | 42 | 345493257 | 2026-09-18 |
| 185.25.220.0/22 v4 | no ROA | 42 | 345493257 | 2026-09-18 |
| 185.33.164.0/23 v4 | no ROA | 41 | 345493257 | 2026-09-18 |
| 185.33.166.0/23 v4 | no ROA | 41 | 345493257 | 2026-09-18 |
| 185.39.76.0/24 v4 | no ROA | 42 | 345493257 | 2026-09-18 |
| 185.49.80.0/22 v4 | no ROA | 42 | 345493257 | 2026-09-18 |
| 185.53.236.0/22 v4 | no ROA | 42 | 345493257 | 2026-09-18 |
| 185.68.176.0/22 v4 | no ROA | 41 | 345493257 | 2026-09-18 |
| 185.76.30.0/23 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 185.82.160.0/23 v4 | no ROA | 42 | 345493257 | 2026-09-18 |
| 185.84.217.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |