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
45
transit providers observed
Peers
25
settlement-free adjacencies
Downstreams
1,798
transit customers observed
Customer cone
63,123
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 |
|---|---|---|---|---|
| 185.84.217.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 185.94.124.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 185.135.190.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 185.155.164.0/22 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 185.160.40.0/22 v4 | RPKI valid | 44 | 345493257 | 2026-09-18 |
| 185.168.163.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 185.196.74.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 185.201.225.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 185.203.8.0/22 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 185.228.45.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-10-30 |
| 185.228.192.0/22 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 185.255.0.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 188.220.43.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 188.220.85.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-10-31 |
| 188.221.73.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 188.221.78.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 188.221.87.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 188.221.105.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 188.221.146.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 188.221.238.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 188.221.250.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 188.240.14.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 190.151.58.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 191.96.48.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 192.16.202.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 192.48.176.0/23 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 192.54.104.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 192.64.251.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 192.67.190.0/23 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 192.67.192.0/22 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 192.67.196.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 192.71.157.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 192.82.197.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 192.82.200.0/21 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 192.83.254.0/23 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 192.102.136.0/23 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 192.129.32.0/23 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 192.129.36.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 192.129.43.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 192.129.44.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 192.129.46.0/23 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 192.129.48.0/23 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 192.129.54.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 192.129.56.0/23 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 192.209.20.0/22 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 193.0.158.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 193.0.255.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 193.3.62.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 193.16.20.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 193.16.21.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 193.17.185.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 193.17.186.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 193.24.109.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 193.24.127.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 193.31.248.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 193.31.249.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 193.31.250.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 193.33.72.0/23 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 193.43.151.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 193.57.148.0/24 v4 | no ROA | 42 | 345493257 | 2026-09-18 |
| 193.96.188.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 193.104.114.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 193.105.36.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 193.105.128.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 193.108.17.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 193.109.48.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 193.109.49.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 193.131.248.0/22 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 193.138.80.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 193.141.0.0/23 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 193.141.40.0/22 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 193.141.44.0/23 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 193.163.105.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 193.163.208.0/21 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 193.169.218.0/23 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 193.189.192.0/19 v4 | no ROA | 44 | 345493257 | 2026-09-18 |
| 193.189.199.0/24 v4 | no ROA | 44 | 345493257 | 2026-09-18 |
| 193.201.84.0/22 v4 | no ROA | 44 | 345493257 | 2026-09-18 |
| 193.221.98.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 193.221.101.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 193.221.110.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 193.238.144.0/22 v4 | no ROA | 44 | 345493257 | 2026-09-18 |
| 193.238.164.0/22 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 193.238.248.0/22 v4 | no ROA | 44 | 345493257 | 2026-09-18 |
| 193.239.132.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 193.242.80.0/20 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 194.6.96.0/19 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 194.24.192.0/19 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 194.41.62.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 194.42.64.0/19 v4 | no ROA | 44 | 345493257 | 2026-09-18 |
| 194.42.83.0/24 v4 | no ROA | 1 | 2040923401933033257 | 2026-09-18 |
| 194.42.224.0/19 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 194.45.4.0/23 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 194.45.12.0/23 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 194.45.98.0/23 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 194.64.32.0/19 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 194.64.104.0/21 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 194.64.112.0/21 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 194.64.132.0/22 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 194.64.136.0/21 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 194.77.0.0/19 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 194.77.32.0/21 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 194.77.40.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 194.77.43.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 194.77.44.0/23 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 194.77.56.0/21 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 194.77.66.0/23 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 194.77.68.0/22 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 194.77.72.0/21 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 194.77.80.0/22 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 194.77.84.0/23 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 194.77.88.0/21 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 194.77.96.0/19 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 194.77.128.0/23 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 194.77.131.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 194.77.132.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 194.77.134.0/23 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 194.77.136.0/21 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 194.77.144.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 194.77.146.0/23 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 194.77.148.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 194.77.150.0/23 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 194.77.152.0/23 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 194.77.155.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 194.77.159.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 194.77.160.0/20 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 194.77.169.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 194.77.184.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 194.77.186.0/23 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 194.77.188.0/22 v4 | RPKI invalid | 6 | 226523257 | 2026-09-18 |
| 194.77.192.0/20 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 194.77.208.0/21 v4 | RPKI invalid | 8 | 226523257 | 2026-09-18 |
| 194.77.216.0/23 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 194.77.220.0/22 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 194.77.224.0/21 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 194.77.232.0/22 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 194.116.218.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 194.116.219.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 194.120.0.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 194.120.43.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 194.120.112.0/22 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 194.120.120.0/22 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 194.121.52.0/22 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 194.121.104.0/23 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 194.121.123.0/24 v4 | RPKI valid | 30 | 226523257 | 2026-09-18 |
| 194.121.203.0/24 v4 | RPKI valid | 8 | 503003257 | 2026-09-18 |
| 194.121.220.0/22 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 194.122.76.0/22 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 194.122.80.0/21 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 194.122.120.0/21 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 194.122.224.0/20 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 194.122.248.0/22 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 194.123.122.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 194.123.164.0/24 v4 | RPKI valid | 42 | 345493257 | 2026-09-18 |
| 194.140.252.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 194.145.222.0/23 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 194.150.0.0/18 v4 | no ROA | 44 | 345493257 | 2026-09-18 |
| 194.154.96.0/19 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 194.158.0.0/19 v4 | no ROA | 44 | 345493257 | 2026-09-18 |
| 194.158.10.0/24 v4 | no ROA | 44 | 345493257 | 2026-09-18 |
| 194.158.18.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 194.165.64.0/19 v4 | no ROA | 44 | 345493257 | 2026-09-18 |
| 194.183.96.0/19 v4 | no ROA | 44 | 345493257 | 2026-09-18 |
| 194.183.103.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 194.187.156.0/22 v4 | no ROA | 44 | 345493257 | 2026-09-18 |
| 194.195.128.0/18 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 194.231.0.0/16 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 194.242.128.0/19 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 195.7.64.0/19 v4 | no ROA | 44 | 345493257 | 2026-09-18 |
| 195.7.192.0/19 v4 | no ROA | 44 | 345493257 | 2026-09-18 |
| 195.21.0.0/17 v4 | no ROA | 44 | 345493257 | 2026-09-18 |
| 195.21.128.0/17 v4 | no ROA | 44 | 345493257 | 2026-09-18 |
| 195.40.0.0/16 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 195.40.22.0/23 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 195.40.24.0/23 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 195.40.181.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 195.58.142.0/23 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 195.64.32.0/19 v4 | no ROA | 44 | 345493257 | 2026-09-18 |
| 195.66.107.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 195.72.64.0/19 v4 | no ROA | 44 | 345493257 | 2026-09-18 |
| 195.72.160.0/19 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 195.81.0.0/16 v4 | no ROA | 44 | 345493257 | 2026-09-18 |
| 195.81.43.0/24 v4 | no ROA | 44 | 345493257 | 2026-09-18 |
| 195.81.93.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 195.81.95.0/24 v4 | no ROA | 43 | 345493257 | 2026-10-07 |
| 195.81.118.0/24 v4 | no ROA | 43 | 345493257 | 2026-10-07 |
| 195.81.141.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 195.81.145.0/24 v4 | no ROA | 43 | 345493257 | 2026-10-07 |
| 195.81.168.0/24 v4 | no ROA | 44 | 345493257 | 2026-09-18 |
| 195.81.187.0/24 v4 | no ROA | 44 | 345493257 | 2026-09-18 |
| 195.81.188.0/24 v4 | no ROA | 43 | 345493257 | 2026-10-07 |
| 195.81.219.0/24 v4 | no ROA | 43 | 345493257 | 2026-10-07 |
| 195.81.224.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 195.81.225.0/24 v4 | no ROA | 43 | 345493257 | 2026-09-18 |
| 195.81.252.0/23 v4 | no ROA | 44 | 345493257 | 2026-09-18 |
| 195.86.0.0/16 v4 | no ROA | 44 | 345493257 | 2026-09-18 |
| 195.86.31.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 195.86.32.0/24 v4 | RPKI valid | 32 | 345493257 | 2026-09-18 |
| 195.86.33.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |
| 195.86.34.0/24 v4 | RPKI valid | 43 | 345493257 | 2026-09-18 |