AS174 Cogent Communications, LLC 🇺🇸 US
Announcing 4,546 prefixes, seen at the RIS collectors.
IPv4 prefixes
4,020
37,618,944 (146,949 × /24)
IPv6 prefixes
526
58 × /32
Upstreams
85
transit providers observed
Peers
24
settlement-free adjacencies
Downstreams
6,429
transit customers observed
Customer cone
65,392
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 |
|---|---|---|---|---|
| 154.62.184.0/24 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 154.62.192.0/24 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 154.62.228.0/24 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 154.62.232.0/24 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 154.62.233.0/24 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 154.63.1.0/24 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 154.63.26.0/24 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 154.63.64.0/24 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 154.63.68.0/24 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 154.63.69.0/24 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 154.63.141.0/24 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 154.63.161.0/24 v4 | no ROA | 12 | 37721174 | 2026-09-18 |
| 154.64.0.0/16 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 154.64.132.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 154.64.133.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 154.64.134.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 154.64.135.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 154.64.150.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 154.64.151.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 154.64.152.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 154.64.153.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 154.64.232.0/21 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 154.64.240.0/22 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 154.88.42.0/23 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 154.194.46.0/23 v4 | RPKI invalid | 16 | 58057174 | 2026-09-18 |
| 154.194.48.0/23 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 154.214.0.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 155.117.106.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 155.117.116.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 156.46.0.0/16 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 157.15.106.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 158.51.203.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 160.81.0.0/16 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 160.202.85.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-10-01 |
| 160.238.102.0/23 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 161.82.28.0/22 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 161.199.227.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 162.4.52.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 162.210.120.0/21 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 162.210.241.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 162.217.0.0/22 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 162.219.172.0/22 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 162.221.136.0/23 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 162.244.112.0/21 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 162.252.41.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 162.254.2.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 162.254.4.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 162.254.6.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 162.255.104.0/23 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 162.255.106.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 163.5.8.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-21 |
| 163.5.13.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 163.5.22.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 163.5.91.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-21 |
| 163.5.106.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-21 |
| 163.5.109.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-21 |
| 163.5.127.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-21 |
| 163.5.147.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-21 |
| 163.171.89.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 163.223.216.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 167.3.246.0/23 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 167.141.0.0/16 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 168.143.236.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 169.40.45.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 169.40.97.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 169.40.98.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 169.40.99.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 169.40.108.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 169.40.113.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 169.40.118.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 169.40.126.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 169.40.152.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 169.128.12.0/22 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 170.39.80.0/22 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 170.75.160.0/20 v4 | RPKI valid | 34 | 34549174 | 2026-09-18 |
| 170.92.127.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 172.81.176.0/21 v4 | RPKI valid | 34 | 34549174 | 2026-09-18 |
| 172.83.80.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 172.83.192.0/21 v4 | no ROA | 40 | 34549174 | 2026-09-28 |
| 172.111.8.0/22 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 172.252.190.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 173.239.235.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 175.29.64.0/19 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 175.110.76.0/22 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 179.61.197.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 181.41.202.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 181.41.206.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 181.214.153.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 185.11.218.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 185.44.40.0/22 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 185.45.132.0/22 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 185.76.40.0/22 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 185.86.164.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 185.86.165.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 185.86.166.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 185.86.167.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 185.87.123.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 185.115.162.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 185.118.105.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 185.122.186.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 185.171.66.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 185.182.28.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-24 |
| 185.195.67.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 185.201.16.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 185.201.17.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 185.209.51.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 185.218.226.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 185.220.248.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 185.221.217.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 185.224.2.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 185.225.1.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 185.226.105.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 185.236.192.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 185.239.172.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-25 |
| 185.244.16.0/22 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 188.214.35.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 188.220.184.0/22 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 188.220.188.0/22 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 188.220.244.0/22 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 188.220.252.0/22 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 188.221.4.0/22 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 188.221.24.0/22 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 188.221.48.0/22 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 188.221.56.0/22 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 188.255.242.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 191.96.36.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 191.96.106.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 191.96.150.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 191.96.168.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 191.96.227.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 191.101.31.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 191.101.217.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 191.102.32.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 191.102.33.0/24 v4 | RPKI valid | 41 | 34549174 | 2026-09-18 |
| 191.102.150.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 192.26.51.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 192.58.198.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 192.64.241.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 192.64.247.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 192.64.248.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 192.68.180.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 192.70.184.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 192.70.249.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 192.73.53.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 192.75.174.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 192.77.171.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 192.77.224.0/21 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 192.80.200.0/22 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 192.80.208.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 192.82.170.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 192.82.173.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 192.84.85.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 192.91.178.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 192.94.123.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 192.96.255.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 192.146.171.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 192.149.248.0/22 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 192.152.97.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 192.160.216.0/21 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 192.161.40.0/21 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 192.161.41.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 192.161.42.0/23 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 192.161.44.0/22 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 192.189.90.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 192.189.234.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 192.246.0.0/16 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 192.253.201.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 193.34.49.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 193.34.51.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 193.46.72.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 193.228.155.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 193.235.123.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-10-01 |
| 193.235.125.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-10-01 |
| 193.235.207.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 194.0.177.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 194.5.64.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 194.103.42.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 194.124.69.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 195.13.60.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 195.13.61.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 195.13.62.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 195.13.63.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 195.78.54.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 195.178.142.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 195.238.96.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 198.1.196.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 198.8.57.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 198.33.132.0/22 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 198.33.136.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 198.33.143.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 198.33.144.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 198.33.145.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 198.33.148.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 198.33.149.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 198.33.152.0/22 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 198.34.68.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 198.34.77.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 198.65.204.0/24 v4 | RPKI valid | 40 | 34549174 | 2026-09-18 |
| 198.67.0.0/16 v4 | no ROA | 40 | 34549174 | 2026-09-18 |
| 198.67.1.0/24 v4 | no ROA | 40 | 34549174 | 2026-09-18 |