AS174 Cogent Communications, LLC 🇺🇸 US
Announcing 4,519 prefixes, seen at the RIS collectors.
IPv4 prefixes
3,994
37,648,640 (147,065 × /24)
IPv6 prefixes
525
58 × /32
Upstreams
88
transit providers observed
Peers
25
settlement-free adjacencies
Downstreams
6,428
transit customers observed
Customer cone
65,622
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
4,519 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 80.245.33.0/24 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 80.245.36.0/24 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 80.245.37.0/24 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 80.245.62.0/23 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 81.2.128.0/18 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 81.2.130.0/24 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 81.2.149.0/24 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 82.47.24.0/23 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 82.47.190.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 82.47.208.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 82.47.228.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-21 |
| 82.108.130.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 82.110.120.0/22 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 82.129.0.0/17 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 82.129.4.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 82.129.5.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 82.129.6.0/23 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 82.129.66.0/23 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 82.138.64.0/18 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 82.139.205.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 82.152.78.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 82.152.80.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 82.152.112.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 82.152.113.0/24 v4 | RPKI invalid | 2 | 206499345493320174 | 2026-09-18 |
| 82.152.119.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 82.152.123.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 82.152.124.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 82.152.126.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 82.152.135.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 82.152.185.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 82.152.235.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 82.152.237.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 82.152.239.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 82.153.47.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 82.153.48.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 82.153.59.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 82.153.87.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 82.153.176.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 82.153.188.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 82.195.160.0/19 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 82.195.184.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 83.147.22.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 83.245.36.0/22 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 83.245.104.0/22 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 85.149.196.0/23 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 85.237.96.0/19 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 85.255.84.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 86.109.76.0/23 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 87.86.18.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 87.86.160.0/22 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 87.192.52.0/22 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 87.192.60.0/22 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 89.31.122.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 89.167.140.0/22 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 89.191.120.0/22 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 89.191.192.0/19 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 89.191.195.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 89.191.213.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 91.123.64.0/22 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 91.123.76.0/22 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 91.124.17.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 91.124.68.0/22 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 91.124.72.0/22 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 91.124.76.0/22 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 91.124.100.0/22 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 91.124.108.0/22 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 91.198.26.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 91.208.170.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 91.220.175.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 91.229.58.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 91.232.99.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-21 |
| 92.61.106.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 92.71.160.0/19 v4 | RPKI valid | 40 | 34549174 | 2026-09-23 |
| 92.113.70.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 92.113.71.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 92.113.72.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 92.113.160.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 94.241.176.0/23 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 94.241.178.0/23 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 94.241.180.0/23 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 94.241.182.0/23 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 95.170.22.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 95.170.23.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 96.62.12.0/22 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 96.62.28.0/23 v4 | RPKI valid | 40 | 34549174 | 2026-09-21 |
| 100.43.22.0/23 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 102.129.145.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 102.129.152.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 102.129.153.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 102.129.235.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 102.165.48.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 102.177.146.0/23 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 103.83.180.0/22 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 103.235.128.0/22 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 103.247.128.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 103.247.130.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 103.248.64.0/22 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 104.37.56.0/22 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 104.152.4.0/23 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 104.153.208.0/22 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 104.156.135.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 104.161.8.0/23 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 104.167.229.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 104.171.192.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 104.192.220.0/22 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 104.234.12.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 104.234.130.0/23 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 104.234.162.0/23 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 104.234.247.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 104.239.24.0/22 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 104.239.68.0/22 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 104.239.120.0/22 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 104.247.218.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-29 |
| 107.166.24.0/22 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 107.166.100.0/22 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 108.175.96.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 108.175.97.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 108.175.98.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 108.175.99.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 108.175.102.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 108.175.103.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 108.175.110.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 108.175.111.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 109.66.32.0/22 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 109.175.242.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 109.234.212.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 114.66.128.0/18 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 114.66.192.0/19 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 114.66.228.0/22 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 114.66.232.0/22 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 120.138.32.0/19 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 128.14.25.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 128.145.0.0/16 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 130.51.105.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 130.117.0.0/16 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 130.117.5.0/24 v4 | no ROA | 7 | 37721174 | 2026-09-18 |
| 130.117.10.0/24 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 130.117.11.0/24 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 130.117.45.0/24 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 130.117.53.0/24 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 130.117.54.0/24 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 130.117.57.0/24 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 130.117.60.0/23 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 130.117.83.0/24 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 130.117.90.0/24 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 130.117.125.0/24 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 130.117.138.0/24 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 130.117.139.0/24 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 130.117.171.0/24 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 130.117.177.0/24 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 130.117.183.0/24 v4 | no ROA | 22 | 58057174 | 2026-09-18 |
| 130.117.206.0/24 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 130.117.233.0/24 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 130.117.245.0/24 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 131.125.0.0/20 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 131.143.42.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 136.161.0.0/16 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 136.161.101.0/24 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 136.161.102.0/24 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 139.64.236.0/22 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 139.171.192.0/23 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 140.228.21.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 140.228.24.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 140.235.116.0/22 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 141.11.67.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 141.11.229.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 141.98.173.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 141.193.250.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 142.131.210.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 142.228.14.0/23 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 142.228.56.0/23 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 142.228.68.0/22 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 142.228.76.0/22 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 142.228.90.0/23 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 142.228.92.0/22 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 142.228.120.0/22 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 142.228.144.0/22 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 142.228.148.0/23 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 142.228.236.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 142.228.237.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 142.248.104.0/22 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 142.248.236.0/23 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 143.240.0.0/16 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 144.56.20.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 144.56.21.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-21 |
| 144.56.23.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 144.56.28.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 144.56.33.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 144.56.40.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 144.56.90.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 144.56.110.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 144.223.0.0/16 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 144.224.0.0/16 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 144.228.0.0/15 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 144.232.0.0/16 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 148.135.193.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 148.253.244.0/23 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 148.254.0.0/16 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 149.2.0.0/16 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 149.5.0.0/16 v4 | no ROA | 40 | 34549174 | 2026-09-18 |