AS3257 GTT Communications Inc. πΊπΈ US
Announcing 1,980 prefixes, seen at the RIS collectors.
IPv4 prefixes
1,910
9,386,264 (36,665 Γ /24)
IPv6 prefixes
70
104 Γ /32
Upstreams
41
transit providers observed
Peers
28
settlement-free adjacencies
Downstreams
1,800
transit customers observed
Customer cone
67,905
ASes reachable through it
Registry and operator data
- AS number
- AS3257
- Name
- GTT Communications Inc.
- Organisation
- GTT Communications (AS3257)
- Country
- πΊπΈ 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
Announcement history
One point per day, recorded at each table import
IPv4
IPv6
Recorded changes
New prefixes and origin changes seen on the live stream
| When | Change | Prefix | Origin | Path |
|---|---|---|---|---|
| 2026-11-06 16:15:55Z | origin change | 2.27.196.0/22 | AS3257 β AS401152 | 2023655067317411798401152 |
| 2026-11-06 16:02:40Z | origin change | 2.27.196.0/22 | AS401152 β AS3257 | 2023655067367623257 |
| 2026-11-06 15:36:12Z | origin change | 2.27.196.0/22 | AS3257 β AS401152 | 2162858280676217411798401152 |
| 2026-11-06 15:19:10Z | origin change | 2.27.196.0/22 | AS401152 β AS3257 | 2023655067367623257 |
| 2026-11-06 14:47:51Z | origin change | 2.27.196.0/22 | AS3257 β AS401152 | 2023655067317411798401152 |
| 2026-11-06 14:33:46Z | origin change | 2.27.196.0/22 | AS401152 β AS3257 | 45049669667623257 |
| 2026-11-06 14:33:31Z | origin change | 2.27.196.0/22 | AS3257 β AS401152 | 216285828017411798401152 |
| 2026-11-06 14:33:31Z | origin change | 2.27.196.0/22 | AS401152 β AS3257 | 2023655067367623257 |
| 2026-11-06 14:11:16Z | origin change | 2.27.196.0/22 | AS3257 β AS401152 | 2023655067317411798401152 |
| 2026-11-06 13:54:45Z | origin change | 2.27.196.0/22 | AS401152 β AS3257 | 45049669667623257 |
| 2026-11-06 13:54:18Z | origin change | 2.27.196.0/22 | AS3257 β AS401152 | 216285828017411798401152 |
| 2026-11-06 13:54:17Z | origin change | 2.27.196.0/22 | AS401152 β AS3257 | 2023655067367623257 |
| 2026-11-06 09:39:21Z | origin change | 62.41.0.0/20 | AS3257 β AS286 | 58057286 |
| 2026-11-06 09:39:21Z | origin change | 62.41.64.0/20 | AS3257 β AS286 | 58057286 |
| 2026-11-06 07:24:15Z | origin change | 16.5.168.0/23 | AS174 β AS3257 | 377213257 |
| 2026-11-06 07:24:15Z | origin change | 16.5.170.0/23 | AS174 β AS3257 | 377213257 |
| 2026-11-06 07:24:15Z | origin change | 16.5.118.0/23 | AS174 β AS3257 | 377213257 |
| 2026-11-06 07:24:07Z | origin change | 16.5.118.0/23 | AS3257 β AS174 | 37721174 |
| 2026-11-06 07:24:07Z | origin change | 16.5.170.0/23 | AS3257 β AS174 | 37721174 |
| 2026-11-06 07:24:07Z | origin change | 16.5.168.0/23 | AS3257 β AS174 | 37721174 |
| 2026-11-06 07:00:20Z | origin change | 16.5.168.0/23 | AS174 β AS3257 | 377213257 |
| 2026-11-06 07:00:20Z | origin change | 16.5.170.0/23 | AS174 β AS3257 | 377213257 |
| 2026-11-06 07:00:20Z | origin change | 16.5.118.0/23 | AS174 β AS3257 | 377213257 |
| 2026-11-06 06:59:53Z | origin change | 16.5.118.0/23 | AS3257 β AS174 | 37721174 |
| 2026-11-06 06:59:53Z | origin change | 16.5.170.0/23 | AS3257 β AS174 | 37721174 |
| 2026-11-06 06:59:53Z | origin change | 16.5.168.0/23 | AS3257 β AS174 | 37721174 |
| 2026-11-06 06:52:49Z | origin change | 194.77.188.0/22 | AS3257 β AS54004 | 578211258633206461612854004 |
| 2026-11-06 06:49:23Z | origin change | 23.252.77.0/24 | AS3257 β AS19257 | 57821125863320291419257 |
| 2026-11-06 06:49:23Z | origin change | 23.252.78.0/24 | AS3257 β AS19257 | 57821125863320291419257 |
| 2026-11-06 06:48:43Z | origin change | 194.77.188.0/22 | AS54004 β AS3257 | 57821125863257 |
| 2026-11-06 06:47:05Z | origin change | 23.252.77.0/24 | AS19257 β AS3257 | 57821125863257 |
| 2026-11-06 06:47:05Z | origin change | 23.252.78.0/24 | AS19257 β AS3257 | 57821125863257 |
| 2026-11-06 06:46:58Z | origin change | 16.5.168.0/23 | AS174 β AS3257 | 377213257 |
| 2026-11-06 06:46:58Z | origin change | 16.5.170.0/23 | AS174 β AS3257 | 377213257 |
| 2026-11-06 06:46:58Z | origin change | 16.5.118.0/23 | AS174 β AS3257 | 377213257 |
| 2026-11-06 06:46:44Z | origin change | 16.5.118.0/23 | AS3257 β AS174 | 37721174 |
| 2026-11-06 06:46:44Z | origin change | 16.5.170.0/23 | AS3257 β AS174 | 37721174 |
| 2026-11-06 06:46:44Z | origin change | 16.5.168.0/23 | AS3257 β AS174 | 37721174 |
| 2026-11-06 06:46:44Z | origin change | 2.27.196.0/22 | AS3257 β AS401152 | 3772117411798401152 |
| 2026-11-06 06:45:20Z | origin change | 2.27.196.0/22 | AS401152 β AS3257 | 57821125863257 |
| 2026-11-06 06:33:12Z | origin change | 16.5.168.0/23 | AS174 β AS3257 | 377213257 |
| 2026-11-06 06:33:12Z | origin change | 16.5.170.0/23 | AS174 β AS3257 | 377213257 |
| 2026-11-06 06:33:12Z | origin change | 16.5.118.0/23 | AS174 β AS3257 | 377213257 |
| 2026-11-06 06:33:05Z | origin change | 16.5.118.0/23 | AS3257 β AS174 | 37721174 |
| 2026-11-06 06:33:05Z | origin change | 16.5.170.0/23 | AS3257 β AS174 | 37721174 |
| 2026-11-06 06:33:05Z | origin change | 16.5.168.0/23 | AS3257 β AS174 | 37721174 |
| 2026-11-06 01:36:12Z | origin change | 2.27.196.0/22 | AS3257 β AS401152 | 216285828017411798401152 |
| 2026-11-06 01:36:11Z | origin change | 2.27.196.0/22 | AS401152 β AS3257 | 2023655067367623257 |
| 2026-11-06 01:13:48Z | origin change | 2.27.196.0/22 | AS3257 β AS401152 | 2023655067317411798401152 |
| 2026-11-06 01:10:43Z | origin change | 194.77.188.0/22 | AS3257 β AS54004 | 21628582801746128612854004 |
| 2026-11-06 01:10:42Z | origin change | 194.77.188.0/22 | AS54004 β AS3257 | 2023655067367623257 |
| 2026-11-06 00:49:49Z | origin change | 2.27.196.0/22 | AS401152 β AS3257 | 2023655067367623257 |
| 2026-11-05 23:21:35Z | origin change | 16.5.170.0/23 | AS174 β AS3257 | 377213257 |
| 2026-11-05 23:21:35Z | origin change | 16.5.168.0/23 | AS174 β AS3257 | 377213257 |
| 2026-11-05 23:21:35Z | origin change | 16.5.118.0/23 | AS174 β AS3257 | 377213257 |
| 2026-11-05 22:57:43Z | origin change | 2.27.196.0/22 | AS3257 β AS401152 | 2023655067317411798401152 |
| 2026-11-05 22:40:41Z | origin change | 2.27.196.0/22 | AS401152 β AS3257 | 45049669667623257 |
| 2026-11-05 22:40:18Z | origin change | 2.27.196.0/22 | AS401152 β AS3257 | 2023655067367623257 |
| 2026-11-05 22:40:18Z | origin change | 2.27.196.0/22 | AS3257 β AS401152 | 216285828017411798401152 |
| 2026-11-05 22:21:12Z | origin change | 2.27.196.0/22 | AS3257 β AS401152 | 2023655067317411798401152 |
| 2026-11-05 22:06:41Z | origin change | 2.27.196.0/22 | AS401152 β AS3257 | 45049669667623257 |
| 2026-11-05 22:06:39Z | origin change | 2.27.196.0/22 | AS401152 β AS3257 | 2023655067367623257 |
| 2026-11-05 22:06:39Z | origin change | 2.27.196.0/22 | AS3257 β AS401152 | 216285828017411798401152 |
| 2026-11-05 21:44:56Z | origin change | 2.27.196.0/22 | AS3257 β AS401152 | 2023655067317411798401152 |
| 2026-11-05 21:34:27Z | origin change | 2.27.196.0/22 | AS401152 β AS3257 | 2023655067367623257 |
| 2026-11-05 21:12:26Z | origin change | 194.77.188.0/22 | AS54004 β AS3257 | 2023655067367623257 |
| 2026-11-05 21:12:06Z | origin change | 194.77.188.0/22 | AS3257 β AS54004 | 49432483629002612854004 |
| 2026-11-05 21:11:59Z | origin change | 95.177.63.0/24 | AS984 β AS3257 | 494324836217643257 |
| 2026-11-05 21:11:59Z | origin change | 70.39.200.0/21 | AS979 β AS3257 | 494324836217643257 |
| 2026-11-05 21:10:40Z | origin change | 95.177.63.0/24 | AS3257 β AS984 | 4943221551031543174984 |
| 2026-11-05 21:10:36Z | origin change | 70.39.200.0/21 | AS3257 β AS979 | 4943221551031543174979 |
| 2026-11-05 21:10:34Z | origin change | 16.5.118.0/23 | AS3257 β AS174 | 4943221551031543174 |
| 2026-11-05 21:10:34Z | origin change | 16.5.168.0/23 | AS3257 β AS174 | 4943221551031543174 |
| 2026-11-05 21:10:34Z | origin change | 16.5.170.0/23 | AS3257 β AS174 | 4943221551031543174 |
| 2026-11-05 21:10:34Z | origin change | 2.27.196.0/22 | AS3257 β AS401152 | 494322155103154317411798401152 |
| 2026-11-05 20:55:45Z | origin change | 2.27.196.0/22 | AS401152 β AS3257 | 2023655067367623257 |
| 2026-11-05 20:25:04Z | origin change | 2.27.196.0/22 | AS3257 β AS401152 | 2162858280676217411798401152 |
| 2026-11-05 20:22:17Z | origin change | 194.77.188.0/22 | AS3257 β AS54004 | 21628582801746128612854004 |
| 2026-11-05 20:22:16Z | origin change | 194.77.188.0/22 | AS54004 β AS3257 | 2023655067367623257 |
| 2026-11-05 20:05:10Z | origin change | 2.27.196.0/22 | AS401152 β AS3257 | 45049669667623257 |
| 2026-11-05 20:04:48Z | origin change | 2.27.196.0/22 | AS401152 β AS3257 | 2023655067367623257 |
| 2026-11-05 20:04:48Z | origin change | 2.27.196.0/22 | AS3257 β AS401152 | 216285828017411798401152 |
| 2026-11-05 19:32:14Z | origin change | 16.5.118.0/23 | AS174 β AS3257 | 57821125863257 |
| 2026-11-05 19:32:14Z | origin change | 16.5.168.0/23 | AS174 β AS3257 | 57821125863257 |
| 2026-11-05 19:32:14Z | origin change | 16.5.170.0/23 | AS174 β AS3257 | 57821125863257 |
| 2026-11-05 19:32:14Z | origin change | 62.41.0.0/20 | AS286 β AS3257 | 57821125863257 |
| 2026-11-05 19:32:14Z | origin change | 62.41.64.0/20 | AS286 β AS3257 | 57821125863257 |
| 2026-11-05 19:32:14Z | origin change | 95.177.63.0/24 | AS984 β AS3257 | 57821125863257 |
| 2026-11-05 19:32:14Z | origin change | 144.225.190.0/24 | AS9304 β AS3257 | 57821125863257 |
| 2026-11-05 19:32:14Z | origin change | 194.121.52.0/22 | AS212238 β AS3257 | 57821125863257 |
| 2026-11-05 19:32:14Z | origin change | 194.121.123.0/24 | AS25038 β AS3257 | 57821125863257 |
| 2026-11-05 19:32:14Z | origin change | 194.123.164.0/24 | AS25038 β AS3257 | 57821125863257 |
| 2026-11-05 19:32:14Z | origin change | 195.86.32.0/24 | AS984 β AS3257 | 57821125863257 |
| 2026-11-05 19:32:14Z | origin change | 70.39.200.0/21 | AS979 β AS3257 | 57821125863257 |
| 2026-11-05 19:22:04Z | origin change | 194.77.188.0/22 | AS54004 β AS3257 | 2023655067367623257 |
| 2026-11-05 19:22:04Z | origin change | 194.77.188.0/22 | AS3257 β AS54004 | 21628582801746128612854004 |
| 2026-11-05 19:06:11Z | origin change | 2.27.196.0/22 | AS3257 β AS401152 | 57821125863320646111798401152 |
| 2026-11-05 19:04:39Z | origin change | 2.27.196.0/22 | AS401152 β AS3257 | 45049669667623257 |
| 2026-11-05 19:04:35Z | origin change | 2.27.196.0/22 | AS3257 β AS401152 | 216285828017411798401152 |
| 2026-11-05 19:04:34Z | origin change | 2.27.196.0/22 | AS401152 β AS3257 | 2023655067367623257 |