AS174 Cogent Communications, LLC 🇺🇸 US
Announcing 4,546 prefixes, seen at the RIS collectors.
IPv4 prefixes
4,019
37,657,088 (147,098 × /24)
IPv6 prefixes
527
58 × /32
Upstreams
86
transit providers observed
Peers
23
settlement-free adjacencies
Downstreams
6,429
transit customers observed
Customer cone
65,465
ASes reachable through it
Registry and operator data
- AS number
- AS174
- Name
- Cogent Communications, LLC
- Organisation
- Cogent Communications, Inc.
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 1996-05-16
- Network type
- NSP
- Traffic levels
- 100+Tbps
- Scope
- Global
- Peering policy
- No
- Website
- http://www.cogentco.com/
- Looking glass
- http://www.cogentco.com/en/network/looking-glass
- PeeringDB
- net/267
- Facilities
- 816
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
4,546 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 149.71.132.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.71.133.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.71.134.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.71.135.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.71.136.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.71.137.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.71.138.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.71.139.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.71.140.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.71.141.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.71.142.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.71.143.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.71.144.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.71.145.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.71.146.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.71.147.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.71.148.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.71.149.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.71.150.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.71.151.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.71.152.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.71.153.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.71.154.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.71.155.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.71.156.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.71.157.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.71.158.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.71.159.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.78.0.0/16 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.78.137.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.85.0.0/16 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.0.0/15 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.0.0/18 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.0.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.1.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.2.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.3.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.4.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.5.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.6.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.7.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.8.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.9.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.10.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.11.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.12.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.13.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.14.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.15.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.16.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.17.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.18.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.19.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.20.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.21.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.22.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.23.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.24.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.25.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.26.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.27.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.28.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.29.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.30.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.31.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.32.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.33.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.34.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.35.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.36.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.37.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.38.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.39.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.40.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.41.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.42.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.43.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.44.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.45.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.46.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.47.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.48.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.49.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.50.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.51.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.52.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.53.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.54.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.55.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.56.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.57.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.58.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.59.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.60.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.61.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.62.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.86.63.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.87.176.0/23 v4 | no ROA | 41 | 34549174 | 2026-09-21 |
| 149.87.189.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-21 |
| 149.87.190.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-21 |
| 149.88.112.0/20 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.88.112.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.88.113.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.88.114.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.88.115.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.88.116.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.88.117.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.88.118.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.88.119.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.88.120.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.88.121.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.88.122.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.88.123.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.88.124.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.88.125.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.88.126.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.88.127.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.88.166.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-21 |
| 149.88.167.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-21 |
| 149.88.168.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-21 |
| 149.91.0.0/16 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.91.2.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.91.3.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.91.138.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.92.0.0/14 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.100.0.0/16 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.100.8.0/24 v4 | no ROA | 30 | 34549174 | 2026-09-18 |
| 149.100.68.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.100.74.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.100.75.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.100.139.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.100.160.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.100.165.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.100.184.0/21 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.102.0.0/16 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.102.32.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.102.33.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.102.34.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.102.35.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.102.36.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.102.37.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.102.38.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.102.39.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.102.40.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.102.41.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.102.42.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.102.43.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.102.44.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.102.45.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.102.46.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.102.47.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.102.48.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.102.49.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.102.50.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.102.51.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.102.52.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.102.53.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.102.54.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.102.55.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.102.56.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.102.57.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.102.58.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.102.59.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.102.60.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.102.61.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.102.62.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.102.63.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.104.0.0/16 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.107.0.0/16 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.115.0.0/16 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.115.104.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.115.128.0/19 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.115.224.0/19 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.119.4.0/23 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.119.64.0/18 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.119.128.0/18 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.119.173.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.119.174.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.119.175.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.119.176.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.119.177.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.119.178.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.119.179.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.119.180.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.119.181.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.119.182.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.119.183.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.119.184.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.119.185.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.119.186.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.119.187.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.119.189.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.119.190.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.119.191.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.123.0.0/16 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 149.127.0.0/16 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 149.127.0.0/17 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 149.127.2.0/24 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 149.127.8.0/24 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 149.127.10.0/24 v4 | no ROA | 12 | 37721174 | 2026-09-18 |