AS174 Cogent Communications, LLC 🇺🇸 US
Announcing 4,521 prefixes, seen at the RIS collectors.
IPv4 prefixes
3,996
37,649,152 (147,067 × /24)
IPv6 prefixes
525
58 × /32
Upstreams
89
transit providers observed
Peers
24
settlement-free adjacencies
Downstreams
6,426
transit customers observed
Customer cone
65,667
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
4,521 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 51.194.192.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 51.194.207.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 51.241.62.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 52.128.220.0/22 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 59.83.128.0/20 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 59.83.176.0/20 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 59.83.236.0/22 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 59.83.240.0/20 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 61.16.40.0/22 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 61.16.44.0/22 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 62.73.0.0/20 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 62.112.207.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 63.117.79.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 63.160.0.0/12 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 63.160.43.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 63.160.93.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 63.161.1.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 63.161.112.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 63.161.164.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 63.161.165.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 63.161.166.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 63.161.167.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 63.161.176.0/20 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 63.162.16.0/20 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 63.163.200.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 63.164.208.0/20 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 63.166.32.0/20 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 63.167.242.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 63.170.19.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 63.171.238.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 63.172.84.0/23 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 63.172.84.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 63.172.85.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 63.172.226.0/24 v4 | no ROA | 35 | 34549174 | 2026-09-18 |
| 64.4.192.0/19 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 64.17.48.0/20 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 64.22.72.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 64.40.152.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 64.92.68.0/24 v4 | no ROA | 29 | 37721174 | 2026-09-18 |
| 64.112.92.0/22 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 64.202.0.0/19 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 64.204.96.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 64.204.99.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 64.204.101.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 64.204.103.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 64.204.178.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 64.204.244.0/22 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 64.245.128.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 64.254.192.0/19 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 65.110.42.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 65.160.0.0/13 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 65.160.43.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 65.160.91.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 65.162.109.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 65.163.164.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 65.166.89.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 65.166.97.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 65.166.98.0/23 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 65.166.254.0/23 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 65.167.196.0/22 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 65.167.208.0/23 v4 | no ROA | 37 | 34549174 | 2026-09-18 |
| 65.167.208.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 65.167.209.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 65.168.0.0/14 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 65.168.58.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 65.170.40.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 65.170.63.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 65.172.0.0/15 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 65.172.71.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 65.172.132.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 65.174.0.0/16 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 65.174.219.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 65.175.3.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 66.7.91.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 66.7.92.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 66.7.93.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 66.28.0.0/16 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 66.28.50.0/24 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 66.28.99.0/24 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 66.71.224.0/20 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 66.78.50.0/23 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 66.78.54.0/23 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 66.102.96.0/19 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 66.102.120.0/24 v4 | no ROA | 39 | 34549174 | 2026-09-18 |
| 66.102.121.0/24 v4 | no ROA | 39 | 34549174 | 2026-09-18 |
| 66.102.122.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 66.102.123.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 66.102.124.0/24 v4 | no ROA | 25 | 58057174 | 2026-09-18 |
| 66.102.125.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 66.102.126.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 66.102.127.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 66.132.0.0/17 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 66.232.27.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 66.243.224.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 66.245.244.0/22 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 66.245.248.0/21 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 66.247.0.0/16 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 66.250.0.0/16 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 66.250.57.0/24 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 66.250.94.0/24 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 66.250.142.0/23 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 66.251.129.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 66.251.136.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 66.251.137.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 66.251.138.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 66.251.144.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 66.251.150.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 66.251.156.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 66.251.160.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 66.251.161.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 66.251.162.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 66.251.163.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 66.251.165.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 66.251.166.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 66.251.167.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 66.251.172.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 66.251.173.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 66.251.174.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 66.251.175.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 66.251.176.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 66.251.177.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 66.251.178.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 66.251.179.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 66.251.181.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 66.251.183.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 66.251.184.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 66.251.185.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 66.251.186.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 66.251.187.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 66.251.188.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 66.253.68.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 66.253.69.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 66.253.73.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 66.253.79.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 66.253.85.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 66.253.87.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 66.253.95.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 66.253.114.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 67.135.132.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 68.70.120.0/23 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 68.167.6.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 68.167.33.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 68.233.45.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 68.237.128.0/21 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 69.33.88.0/23 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 69.33.137.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 69.33.138.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 69.33.139.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 69.33.141.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 69.33.142.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 69.33.143.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 69.33.148.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 69.33.178.0/23 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 69.43.118.0/23 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 69.43.120.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 69.54.226.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 69.54.252.0/22 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 71.19.192.0/20 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 72.14.157.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 72.244.245.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 72.244.247.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 72.244.249.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 74.0.12.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 74.0.18.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 74.0.26.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 74.0.33.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 74.0.35.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 74.0.112.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 74.0.148.0/22 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 74.0.172.0/22 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 74.1.2.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 74.1.14.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 74.1.34.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 74.1.36.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 74.1.38.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 74.1.106.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 74.1.108.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 74.1.114.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 74.1.116.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 74.1.134.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 74.1.143.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 74.2.102.0/23 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 74.2.184.0/23 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 74.221.208.0/20 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 76.78.168.0/24 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 78.31.251.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 80.66.128.0/20 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 80.77.64.0/20 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 80.77.96.0/20 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 80.91.64.0/19 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 80.91.80.0/24 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 80.91.81.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 80.91.83.0/24 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 80.93.0.0/20 v4 | no ROA | 41 | 34549174 | 2026-09-18 |
| 80.174.114.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 80.174.117.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 80.174.123.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 80.174.124.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 80.174.125.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 80.174.126.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |