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
PeeringDB
net/267
Facilities
816

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

454 valid (10.0%) 33 invalid (0.7%) 4,034 no ROA (89.2%)

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