206208 looking glass

AS33491 Comcast Cable Communications, LLC 🇺🇸 US

Announcing 283 prefixes, seen at the RIS collectors.

IPv4 prefixes
82
47,104 (184 × /24)
IPv6 prefixes
201
201 × /48
Upstreams
1
transit providers observed
Peers
2
settlement-free adjacencies
Downstreams
252
transit customers observed
Customer cone
280
ASes reachable through it

Registry and operator data

AS number
AS33491
Name
Comcast Cable Communications, LLC
Organisation
Comcast - Chicago
Country
🇺🇸 US
RIR
ARIN
Allocated
2004-12-30
Network type
Cable/DSL/ISP
Scope
Regional
Peering policy
Restrictive
PeeringDB
net/10078
Facilities
1

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

267 valid (94.3%) 0 invalid (0.0%) 16 no ROA (5.7%)

Announcement history

One point per day, recorded at each table import

05110215220309-1809-2409-3010-0610-1210-1810-24
IPv4 IPv6

Recorded changes

New prefixes and origin changes seen on the live stream

WhenChangePrefixOriginPath
2026-10-24 17:20:49Z origin change 63.174.218.0/24 AS19409 → AS33491 852792233491
2026-10-23 04:32:39Z origin change 204.152.156.0/24 AS2386 → AS33491 33333320792233491
2026-10-23 04:30:08Z origin change 204.152.156.0/24 AS33491 → AS2386 3333332070182386
2026-10-22 22:09:36Z origin change 63.174.218.0/24 AS33491 → AS19409 57381503041299335619409
2026-10-22 16:22:04Z origin change 63.174.218.0/24 AS19409 → AS33491 1403577792233491
2026-10-22 11:32:40Z origin change 63.174.218.0/24 AS33491 → AS19409 7018335619409
2026-10-22 11:32:19Z origin change 63.174.218.0/24 AS19409 → AS33491 1403577792233491
2026-10-22 10:44:21Z origin change 63.174.218.0/24 AS33491 → AS19409 58057345492914335619409
2026-10-22 10:42:28Z origin change 63.174.218.0/24 AS19409 → AS33491 7018792233491
2026-10-21 17:56:37Z origin change 63.174.218.0/24 AS33491 → AS19409 557206939335619409
2026-10-21 17:49:57Z origin change 63.174.218.0/24 AS19409 → AS33491 557206939792233491
2026-10-21 17:41:11Z origin change 63.174.218.0/24 AS33491 → AS19409 557206939335619409
2026-10-21 16:11:24Z origin change 63.174.218.0/24 AS19409 → AS33491 612186939792233491
2026-10-21 05:56:03Z origin change 63.174.218.0/24 AS33491 → AS19409 7018335619409
2026-10-21 05:25:32Z origin change 63.174.218.0/24 AS19409 → AS33491 460812214637792233491
2026-10-21 05:05:32Z origin change 63.174.218.0/24 AS33491 → AS19409 460812214637335619409
2026-10-21 00:39:53Z origin change 204.152.156.0/24 AS2386 → AS33491 1403577792233491
2026-10-21 00:39:29Z origin change 204.152.156.0/24 AS33491 → AS2386 295043939217470182386
2026-10-21 00:39:24Z origin change 63.174.218.0/24 AS19409 → AS33491 1403577792233491
2026-10-21 00:39:04Z origin change 63.174.218.0/24 AS33491 → AS19409 7018335619409
2026-10-20 23:56:21Z origin change 63.174.218.0/24 AS19409 → AS33491 7018792233491
2026-10-20 22:34:10Z origin change 199.5.61.0/24 AS33491 → AS19409 612186939335619409
2026-10-20 22:34:10Z origin change 199.5.60.0/24 AS33491 → AS19409 612186939335619409
2026-10-20 22:34:10Z origin change 199.5.63.0/24 AS33491 → AS19409 612186939335619409
2026-10-20 22:34:10Z origin change 199.5.59.0/24 AS33491 → AS19409 612186939335619409
2026-10-20 22:33:59Z origin change 199.5.59.0/24 AS19409 → AS33491 44393580576939792233491
2026-10-20 22:33:59Z origin change 199.5.60.0/24 AS19409 → AS33491 44393580576939792233491
2026-10-20 22:33:59Z origin change 199.5.61.0/24 AS19409 → AS33491 44393580576939792233491
2026-10-20 22:33:59Z origin change 199.5.63.0/24 AS19409 → AS33491 44393580576939792233491
2026-10-20 22:33:11Z origin change 199.5.60.0/24 AS33491 → AS19409 49673123893257335619409
2026-10-20 22:33:11Z origin change 199.5.59.0/24 AS33491 → AS19409 49673123893257335619409
2026-10-20 22:33:11Z origin change 199.5.63.0/24 AS33491 → AS19409 49673123893257335619409
2026-10-20 22:33:11Z origin change 199.5.61.0/24 AS33491 → AS19409 49673123893257335619409
2026-10-20 22:22:43Z origin change 199.5.63.0/24 AS19409 → AS33491 503003257792233491
2026-10-20 22:22:43Z origin change 199.5.60.0/24 AS19409 → AS33491 503003257792233491
2026-10-20 22:22:43Z origin change 199.5.59.0/24 AS19409 → AS33491 503003257792233491
2026-10-20 22:22:43Z origin change 199.5.61.0/24 AS19409 → AS33491 503003257792233491
2026-10-20 22:21:53Z origin change 199.5.59.0/24 AS33491 → AS19409 4608122146376461335619409
2026-10-20 22:21:53Z origin change 199.5.60.0/24 AS33491 → AS19409 4608122146376461335619409
2026-10-20 22:21:53Z origin change 199.5.61.0/24 AS33491 → AS19409 4608122146376461335619409
2026-10-20 22:21:53Z origin change 199.5.63.0/24 AS33491 → AS19409 4608122146376461335619409
2026-10-20 22:21:25Z origin change 199.5.61.0/24 AS19409 → AS33491 57381503041299792233491
2026-10-20 22:21:25Z origin change 199.5.63.0/24 AS19409 → AS33491 57381503041299792233491
2026-10-20 22:21:25Z origin change 199.5.60.0/24 AS19409 → AS33491 57381503041299792233491
2026-10-20 22:21:25Z origin change 199.5.59.0/24 AS19409 → AS33491 57381503041299792233491
2026-10-20 22:21:22Z origin change 199.5.59.0/24 AS33491 → AS19409 460812214637335619409
2026-10-20 22:21:22Z origin change 199.5.60.0/24 AS33491 → AS19409 460812214637335619409
2026-10-20 22:21:22Z origin change 199.5.61.0/24 AS33491 → AS19409 460812214637335619409
2026-10-20 22:21:22Z origin change 199.5.63.0/24 AS33491 → AS19409 460812214637335619409
2026-10-20 22:21:18Z origin change 199.5.59.0/24 AS19409 → AS33491 204092207661299792233491
2026-10-20 22:21:18Z origin change 199.5.60.0/24 AS19409 → AS33491 204092207661299792233491
2026-10-20 22:21:18Z origin change 199.5.63.0/24 AS19409 → AS33491 204092207661299792233491
2026-10-20 22:21:18Z origin change 199.5.61.0/24 AS19409 → AS33491 204092207661299792233491
2026-10-20 22:21:17Z origin change 199.5.63.0/24 AS33491 → AS19409 3798956300132132465746376461335619409
2026-10-20 22:21:17Z origin change 199.5.61.0/24 AS33491 → AS19409 3798956300132132465746376461335619409
2026-10-20 22:21:17Z origin change 199.5.59.0/24 AS33491 → AS19409 3798956300132132465746376461335619409
2026-10-20 22:21:17Z origin change 199.5.60.0/24 AS33491 → AS19409 3798956300132132465746376461335619409
2026-10-20 22:21:06Z origin change 199.5.61.0/24 AS19409 → AS33491 226521299792233491
2026-10-20 22:21:06Z origin change 199.5.59.0/24 AS19409 → AS33491 226521299792233491
2026-10-20 22:21:05Z origin change 199.5.63.0/24 AS33491 → AS19409 59919127793257335619409
2026-10-20 22:21:05Z origin change 199.5.61.0/24 AS33491 → AS19409 59919127793257335619409
2026-10-20 22:21:05Z origin change 199.5.59.0/24 AS33491 → AS19409 59919127793257335619409
2026-10-20 22:21:05Z origin change 199.5.60.0/24 AS33491 → AS19409 59919127793257335619409
2026-10-20 22:21:05Z origin change 199.5.60.0/24 AS19409 → AS33491 226521299792233491
2026-10-20 22:21:05Z origin change 199.5.63.0/24 AS19409 → AS33491 226521299792233491
2026-10-20 22:20:57Z origin change 199.5.59.0/24 AS19409 → AS33491 380016939792233491
2026-10-20 22:20:57Z origin change 199.5.60.0/24 AS19409 → AS33491 380016939792233491
2026-10-20 22:20:57Z origin change 199.5.61.0/24 AS19409 → AS33491 380016939792233491
2026-10-20 22:20:57Z origin change 199.5.63.0/24 AS19409 → AS33491 380016939792233491
2026-10-20 22:20:55Z origin change 199.5.60.0/24 AS33491 → AS19409 58057345492914335619409
2026-10-20 22:20:55Z origin change 199.5.61.0/24 AS33491 → AS19409 58057345492914335619409
2026-10-20 22:20:55Z origin change 199.5.59.0/24 AS33491 → AS19409 58057345492914335619409
2026-10-20 22:20:55Z origin change 199.5.63.0/24 AS33491 → AS19409 58057345492914335619409
2026-10-20 22:20:49Z origin change 199.5.63.0/24 AS19409 → AS33491 503041299792233491
2026-10-20 22:20:49Z origin change 199.5.60.0/24 AS19409 → AS33491 503041299792233491
2026-10-20 22:20:49Z origin change 199.5.59.0/24 AS19409 → AS33491 503041299792233491
2026-10-20 22:20:49Z origin change 199.5.61.0/24 AS19409 → AS33491 503041299792233491
2026-10-20 22:20:44Z origin change 199.5.59.0/24 AS33491 → AS19409 17639701335619409
2026-10-20 22:20:44Z origin change 199.5.63.0/24 AS33491 → AS19409 17639701335619409
2026-10-20 22:20:44Z origin change 199.5.60.0/24 AS33491 → AS19409 17639701335619409
2026-10-20 22:20:44Z origin change 199.5.61.0/24 AS33491 → AS19409 17639701335619409
2026-10-20 22:20:32Z origin change 199.5.60.0/24 AS19409 → AS33491 21628582806762792233491
2026-10-20 22:20:32Z origin change 199.5.61.0/24 AS19409 → AS33491 21628582806762792233491
2026-10-20 22:20:32Z origin change 199.5.59.0/24 AS19409 → AS33491 21628582806762792233491
2026-10-20 22:20:32Z origin change 199.5.63.0/24 AS19409 → AS33491 21628582806762792233491
2026-10-20 22:20:31Z origin change 199.5.61.0/24 AS19409 → AS33491 204092207661299792233491
2026-10-20 22:20:31Z origin change 199.5.59.0/24 AS19409 → AS33491 204092207661299792233491
2026-10-20 22:20:31Z origin change 199.5.60.0/24 AS19409 → AS33491 204092207661299792233491
2026-10-20 22:20:31Z origin change 199.5.63.0/24 AS19409 → AS33491 204092207661299792233491
2026-10-20 22:20:31Z origin change 199.5.60.0/24 AS33491 → AS19409 21628582806762335619409
2026-10-20 22:20:31Z origin change 199.5.61.0/24 AS33491 → AS19409 21628582806762335619409
2026-10-20 22:20:31Z origin change 199.5.59.0/24 AS33491 → AS19409 21628582806762335619409
2026-10-20 22:20:31Z origin change 199.5.63.0/24 AS33491 → AS19409 21628582806762335619409
2026-10-20 22:20:30Z origin change 199.5.59.0/24 AS33491 → AS19409 5805718361299335619409
2026-10-20 22:20:30Z origin change 199.5.63.0/24 AS33491 → AS19409 5805718361299335619409
2026-10-20 22:20:30Z origin change 199.5.61.0/24 AS33491 → AS19409 5805718361299335619409
2026-10-20 22:20:30Z origin change 199.5.60.0/24 AS33491 → AS19409 5805718361299335619409
2026-10-20 22:20:30Z origin change 199.5.63.0/24 AS33491 → AS19409 599199002335619409
2026-10-20 22:20:30Z origin change 199.5.60.0/24 AS33491 → AS19409 599199002335619409
2026-10-20 22:20:30Z origin change 199.5.59.0/24 AS33491 → AS19409 599199002335619409