206208 looking glass

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
200
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
Website
https://corporate.comcast.com/
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%)

Announcement history

One point per day, recorded at each table import

0479414118809-1809-2409-3010-0610-1210-1810-2410-27
IPv4 IPv6

Recorded changes

New prefixes and origin changes seen on the live stream

WhenChangePrefixOriginPath
2026-10-27 14:48:45Z origin change 192.206.19.0/24 AS33667 → AS33651 5572069391299792233651
2026-10-27 14:48:45Z origin change 139.181.26.0/24 AS33667 → AS33651 5572069391299792233651
2026-10-27 11:04:09Z origin change 50.222.102.0/24 AS33651 → AS22695 46087575291422695
2026-10-27 08:45:31Z origin change 140.89.64.0/18 AS33667 → AS33651 379895630013213246576453792233651
2026-10-27 08:45:31Z origin change 169.230.76.0/24 AS33667 → AS33651 379895630013213246576453792233651
2026-10-27 08:45:31Z origin change 169.230.77.0/24 AS33667 → AS33651 379895630013213246576453792233651
2026-10-27 08:45:04Z origin change 71.19.138.0/24 AS33667 → AS33651 379895630013213246576453792233651
2026-10-27 08:45:04Z origin change 71.19.137.0/24 AS33667 → AS33651 379895630013213246576453792233651
2026-10-27 08:45:04Z origin change 71.19.136.0/24 AS33667 → AS33651 379895630013213246576453792233651
2026-10-27 08:45:04Z origin change 71.19.139.0/24 AS33667 → AS33651 379895630013213246576453792233651
2026-10-27 08:45:04Z origin change 107.158.6.0/24 AS33667 → AS33651 379895630013213246576453792233651
2026-10-27 08:45:04Z origin change 107.158.7.0/24 AS33667 → AS33651 379895630013213246576453792233651
2026-10-27 08:45:04Z origin change 107.158.165.0/24 AS33667 → AS33651 379895630013213246576453792233651
2026-10-27 08:45:04Z origin change 107.158.164.0/24 AS33667 → AS33651 379895630013213246576453792233651
2026-10-27 08:45:04Z origin change 192.70.238.0/24 AS33667 → AS33651 379895630013213246576453792233651
2026-10-27 08:45:04Z origin change 16.5.8.0/23 AS33667 → AS33651 379895630013213246576453792233651
2026-10-27 08:45:04Z origin change 40.27.174.0/23 AS33667 → AS33651 379895630013213246576453792233651
2026-10-27 08:45:04Z origin change 74.1.24.0/23 AS33667 → AS33651 379895630013213246576453792233651
2026-10-27 08:45:04Z origin change 104.247.212.0/23 AS33667 → AS33651 379895630013213246576453792233651
2026-10-27 08:45:04Z origin change 198.202.219.0/24 AS33667 → AS33651 379895630013213246576453792233651
2026-10-27 08:45:04Z origin change 204.145.245.0/24 AS33667 → AS33651 379895630013213246576453792233651
2026-10-27 08:45:04Z origin change 169.128.80.0/22 AS33667 → AS33651 379895630013213246576453792233651
2026-10-27 08:45:04Z origin change 192.189.161.0/24 AS33667 → AS33651 379895630013213246576453792233651
2026-10-27 08:45:04Z origin change 23.230.200.0/21 AS33667 → AS33651 379895630013213246576453792233651
2026-10-27 08:45:04Z origin change 162.218.64.0/23 AS33667 → AS33651 379895630013213246576453792233651
2026-10-27 08:45:04Z origin change 100.42.16.0/23 AS33667 → AS33651 379895630013213246576453792233651
2026-10-27 08:45:04Z origin change 209.222.242.0/23 AS33667 → AS33651 379895630013213246576453792233651
2026-10-27 08:44:49Z origin change 2620:10a:6000::/44 AS33667 → AS33651 578211258632576453792233651
2026-10-27 08:11:56Z origin change 2a0c:1900::/29 AS33651 → AS33667 380013491792233667
2026-10-27 08:09:22Z origin change 2a0c:1900::/29 AS33667 → AS33651 380013491792233651
2026-10-27 08:09:17Z origin change 9.142.96.0/19 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:17Z origin change 138.226.48.0/21 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:17Z origin change 138.226.112.0/21 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:17Z origin change 9.142.48.0/20 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:17Z origin change 138.226.64.0/20 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:17Z origin change 135.132.64.0/19 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:14Z origin change 71.19.138.0/24 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:14Z origin change 140.89.64.0/18 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:14Z origin change 71.19.139.0/24 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:14Z origin change 78.31.206.0/24 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:14Z origin change 5.182.186.0/24 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:14Z origin change 45.67.141.0/24 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:14Z origin change 107.158.6.0/24 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:14Z origin change 192.70.238.0/24 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:14Z origin change 71.19.136.0/24 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:14Z origin change 16.5.8.0/23 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:14Z origin change 107.158.7.0/24 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:14Z origin change 162.218.64.0/23 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:14Z origin change 71.19.137.0/24 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:14Z origin change 63.246.159.0/24 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:14Z origin change 104.247.212.0/23 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:14Z origin change 23.230.200.0/21 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:14Z origin change 63.246.152.0/24 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:14Z origin change 185.201.41.0/24 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:14Z origin change 107.158.164.0/24 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:14Z origin change 63.246.148.0/24 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:14Z origin change 107.158.165.0/24 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:14Z origin change 36.255.215.0/24 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:14Z origin change 185.201.43.0/24 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:14Z origin change 103.216.197.0/24 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:14Z origin change 162.218.89.0/24 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:14Z origin change 185.22.43.0/24 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:14Z origin change 192.206.19.0/24 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:14Z origin change 204.145.245.0/24 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:14Z origin change 209.222.242.0/23 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:14Z origin change 5.182.193.0/24 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:14Z origin change 5.182.194.0/24 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:14Z origin change 139.181.26.0/24 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:14Z origin change 5.182.195.0/24 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:14Z origin change 74.1.24.0/23 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:14Z origin change 169.128.80.0/22 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:09Z origin change 192.189.161.0/24 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:09Z origin change 198.202.219.0/24 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:09Z origin change 169.230.77.0/24 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:08Z origin change 40.27.174.0/23 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:07Z origin change 169.230.76.0/24 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:07Z origin change 100.42.16.0/23 AS33651 → AS33667 4967312389335633667
2026-10-27 08:09:04Z origin change 5.182.186.0/24 AS33667 → AS33651 380013491792233651
2026-10-27 08:09:04Z origin change 5.182.193.0/24 AS33667 → AS33651 380013491792233651
2026-10-27 08:09:04Z origin change 5.182.194.0/24 AS33667 → AS33651 380013491792233651
2026-10-27 08:09:04Z origin change 5.182.195.0/24 AS33667 → AS33651 380013491792233651
2026-10-27 08:09:04Z origin change 9.142.48.0/20 AS33667 → AS33651 380013491792233651
2026-10-27 08:09:04Z origin change 9.142.96.0/19 AS33667 → AS33651 380013491792233651
2026-10-27 08:09:04Z origin change 36.255.215.0/24 AS33667 → AS33651 380013491792233651
2026-10-27 08:09:04Z origin change 45.67.141.0/24 AS33667 → AS33651 380013491792233651
2026-10-27 08:09:04Z origin change 63.246.148.0/24 AS33667 → AS33651 380013491792233651
2026-10-27 08:09:04Z origin change 63.246.152.0/24 AS33667 → AS33651 380013491792233651
2026-10-27 08:09:04Z origin change 63.246.159.0/24 AS33667 → AS33651 380013491792233651
2026-10-27 08:09:04Z origin change 78.31.206.0/24 AS33667 → AS33651 380013491792233651
2026-10-27 08:09:04Z origin change 103.216.197.0/24 AS33667 → AS33651 380013491792233651
2026-10-27 08:09:04Z origin change 135.132.64.0/19 AS33667 → AS33651 380013491792233651
2026-10-27 08:09:04Z origin change 138.226.48.0/21 AS33667 → AS33651 380013491792233651
2026-10-27 08:09:04Z origin change 138.226.64.0/20 AS33667 → AS33651 380013491792233651
2026-10-27 08:09:04Z origin change 138.226.112.0/21 AS33667 → AS33651 380013491792233651
2026-10-27 08:09:04Z origin change 162.218.89.0/24 AS33667 → AS33651 380013491792233651
2026-10-27 08:09:04Z origin change 185.22.43.0/24 AS33667 → AS33651 380013491792233651
2026-10-27 08:09:04Z origin change 185.201.41.0/24 AS33667 → AS33651 380013491792233651
2026-10-27 08:09:04Z origin change 185.201.43.0/24 AS33667 → AS33651 380013491792233651
2026-10-27 04:17:11Z origin change 204.145.245.0/24 AS33667 → AS33651 328840327727174792233651
2026-10-27 04:17:11Z origin change 198.202.219.0/24 AS33667 → AS33651 328840327727174792233651