AS33651 Comcast Cable Communications, LLC 🇺🇸 US

Announcing 291 prefixes, seen at the RIS collectors.

IPv4 prefixes
104
81,152 (317 × /24)
IPv6 prefixes
187
8 × /32
Upstreams
2
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
140
transit customers observed
Customer cone
202
ASes reachable through it

Registry and operator data

AS number
AS33651
Name
Comcast Cable Communications, LLC
Organisation
Comcast - SFBA
Country
🇺🇸 US
RIR
ARIN
Allocated
2005-02-16
Network type
Cable/DSL/ISP
Scope
Regional
Peering policy
Restrictive
PeeringDB
net/10079
Facilities
1

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

280 valid (96.2%) 0 invalid (0.0%) 11 no ROA (3.8%)

Announced prefixes

104 in total

Prefix RPKI Peers Sample path First seen
5.182.186.0/24 v4 RPKI valid 3 612186939792233651 2026-09-18
5.182.193.0/24 v4 RPKI valid 1 491345335664246461792233651 2026-09-18
5.182.194.0/24 v4 RPKI valid 3 612186939792233651 2026-09-18
5.182.195.0/24 v4 RPKI valid 3 612186939792233651 2026-09-18
9.142.48.0/20 v4 RPKI valid 1 491345335664246461792233651 2026-09-18
9.142.96.0/19 v4 RPKI valid 1 491345335664246461792233651 2026-09-18
16.5.8.0/23 v4 RPKI valid 30 7018792233651 2026-09-18
23.230.200.0/21 v4 RPKI valid 30 7018792233651 2026-10-02
24.104.72.0/24 v4 RPKI valid 41 7018792233651 2026-09-18
24.104.73.0/24 v4 RPKI valid 41 7018792233651 2026-09-18
24.104.138.0/23 v4 RPKI valid 41 7018792233651 2026-09-18
24.104.150.0/24 v4 RPKI valid 41 7018792233651 2026-09-18
36.255.215.0/24 v4 RPKI valid 1 491345335664246461792233651 2026-09-18
40.27.174.0/23 v4 RPKI valid 30 7018792233651 2026-09-18
45.67.141.0/24 v4 RPKI valid 1 491345335664246461792233651 2026-09-18
50.145.55.0/24 v4 RPKI valid 41 7018792233651 2026-09-18
50.200.170.0/24 v4 RPKI valid 41 7018792233651 2026-09-18
50.201.8.0/23 v4 RPKI valid 41 7018792233651 2026-09-18
50.201.171.0/24 v4 RPKI valid 41 7018792233651 2026-09-18
50.204.119.0/24 v4 RPKI valid 41 7018792233651 2026-09-18
50.204.137.0/24 v4 RPKI valid 41 7018792233651 2026-09-18
50.205.226.0/24 v4 RPKI valid 41 7018792233651 2026-09-18
50.206.118.0/24 v4 RPKI valid 41 7018792233651 2026-09-18
50.206.120.0/23 v4 RPKI valid 41 7018792233651 2026-09-18
50.206.219.0/24 v4 RPKI valid 41 7018792233651 2026-09-18
50.207.182.0/24 v4 RPKI valid 41 7018792233651 2026-09-18
50.207.190.0/24 v4 RPKI valid 41 7018792233651 2026-09-18
50.207.216.0/24 v4 RPKI valid 41 7018792233651 2026-09-18
50.216.23.0/24 v4 RPKI valid 41 7018792233651 2026-09-18
50.216.212.0/24 v4 RPKI valid 41 7018792233651 2026-09-18
50.218.46.0/24 v4 RPKI valid 41 7018792233651 2026-09-18
50.219.139.0/24 v4 RPKI valid 41 7018792233651 2026-09-18
50.222.26.0/24 v4 RPKI valid 41 7018792233651 2026-09-18
50.222.50.0/24 v4 RPKI valid 41 7018792233651 2026-09-18
50.222.102.0/24 v4 RPKI valid 22 7018792233651 2026-09-18
50.224.7.0/24 v4 RPKI valid 41 7018792233651 2026-09-18
50.227.120.0/24 v4 RPKI valid 41 7018792233651 2026-09-18
50.227.186.0/24 v4 RPKI valid 41 7018792233651 2026-09-18
50.228.130.0/24 v4 RPKI valid 41 7018792233651 2026-09-18
50.229.212.0/24 v4 RPKI valid 41 7018792233651 2026-09-18
50.230.66.0/24 v4 RPKI valid 41 7018792233651 2026-09-18
50.231.143.0/24 v4 RPKI valid 41 7018792233651 2026-09-18
50.232.196.0/24 v4 RPKI valid 41 7018792233651 2026-09-18
50.233.45.0/24 v4 RPKI valid 41 7018792233651 2026-09-18
50.234.130.0/24 v4 RPKI valid 40 7018792233651 2026-09-18
50.235.20.0/24 v4 RPKI valid 41 7018792233651 2026-09-18
50.235.21.0/24 v4 RPKI valid 41 7018792233651 2026-09-18
50.235.233.0/24 v4 RPKI valid 41 7018792233651 2026-09-18
50.236.66.0/24 v4 RPKI valid 41 7018792233651 2026-09-18
50.239.184.0/24 v4 RPKI valid 41 7018792233651 2026-09-18
63.246.148.0/24 v4 RPKI valid 3 612186939792233651 2026-09-18
63.246.152.0/24 v4 RPKI valid 3 612186939792233651 2026-09-18
63.246.159.0/24 v4 RPKI valid 3 612186939792233651 2026-09-18
64.84.96.0/21 v4 RPKI valid 43 37721335633651 2026-09-18
64.84.120.0/21 v4 RPKI valid 43 37721335633651 2026-09-18
69.91.146.0/24 v4 RPKI valid 43 37721335633651 2026-09-18
71.19.136.0/24 v4 RPKI valid 30 7018792233651 2026-09-18
71.19.137.0/24 v4 RPKI valid 30 7018792233651 2026-09-18
71.19.138.0/24 v4 RPKI valid 30 7018792233651 2026-09-18
71.19.139.0/24 v4 RPKI valid 30 7018792233651 2026-09-18
74.1.24.0/23 v4 RPKI valid 30 7018792233651 2026-09-18
74.120.252.0/22 v4 RPKI valid 43 37721335633651 2026-09-18
78.31.206.0/24 v4 RPKI valid 1 491345335664246461792233651 2026-09-18
100.42.16.0/23 v4 RPKI valid 30 7018792233651 2026-10-02
103.216.197.0/24 v4 RPKI valid 1 491345335664246461792233651 2026-09-18
104.247.212.0/23 v4 RPKI valid 30 7018792233651 2026-09-18
107.0.21.0/24 v4 RPKI valid 41 7018792233651 2026-09-18
107.158.6.0/24 v4 RPKI valid 30 7018792233651 2026-09-18
107.158.7.0/24 v4 RPKI valid 30 7018792233651 2026-09-18
107.158.164.0/24 v4 RPKI valid 30 7018792233651 2026-09-18
107.158.165.0/24 v4 RPKI valid 30 7018792233651 2026-09-18
135.132.64.0/19 v4 RPKI valid 3 612186939792233651 2026-09-18
138.226.48.0/21 v4 RPKI valid 3 612186939792233651 2026-09-18
138.226.64.0/20 v4 RPKI valid 1 491345335664246461792233651 2026-09-18
138.226.112.0/21 v4 RPKI valid 1 491345335664246461792233651 2026-09-18
138.226.192.0/21 v4 RPKI valid 43 37721335633651 2026-09-18
139.181.26.0/24 v4 no ROA 29 7018792233651 2026-09-18
140.89.64.0/18 v4 no ROA 30 7018792233651 2026-09-18
162.218.64.0/23 v4 RPKI valid 30 7018792233651 2026-10-02
162.218.89.0/24 v4 RPKI valid 1 491345335664246461792233651 2026-09-18
169.128.80.0/22 v4 no ROA 30 7018792233651 2026-09-18
169.128.124.0/24 v4 RPKI valid 42 37721335633651 2026-09-18
169.128.125.0/24 v4 RPKI valid 42 37721335633651 2026-09-18
169.128.126.0/24 v4 RPKI valid 42 37721335633651 2026-09-18
169.128.127.0/24 v4 RPKI valid 42 37721335633651 2026-09-18
169.128.204.0/24 v4 RPKI valid 42 37721335633651 2026-09-18
169.128.205.0/24 v4 RPKI valid 42 37721335633651 2026-09-18
169.128.206.0/24 v4 RPKI valid 42 37721335633651 2026-09-18
169.128.207.0/24 v4 RPKI valid 42 37721335633651 2026-09-18
169.230.76.0/24 v4 no ROA 30 7018792233651 2026-09-18
169.230.77.0/24 v4 no ROA 30 7018792233651 2026-09-18
185.22.43.0/24 v4 RPKI valid 1 491345335664246461792233651 2026-09-18
185.201.41.0/24 v4 RPKI valid 3 612186939792233651 2026-09-18
185.201.43.0/24 v4 RPKI valid 1 491345335664246461792233651 2026-09-18
192.70.238.0/24 v4 no ROA 30 7018792233651 2026-09-18
192.189.161.0/24 v4 no ROA 30 7018792233651 2026-09-18
192.206.19.0/24 v4 no ROA 29 7018792233651 2026-09-18
198.145.106.0/24 v4 RPKI valid 43 37721335633651 2026-09-18
198.202.219.0/24 v4 no ROA 30 7018792233651 2026-10-23
204.145.245.0/24 v4 no ROA 30 7018792233651 2026-10-23
209.23.201.0/24 v4 RPKI valid 41 7018792233651 2026-09-18
209.23.253.0/24 v4 RPKI valid 41 7018792233651 2026-09-18
209.222.242.0/23 v4 RPKI valid 30 7018792233651 2026-10-02
216.170.120.0/24 v4 RPKI valid 43 37721335633651 2026-09-18