DNSRegistration lookup
HOW THE INTERNET SEES A NETWORK

BGP looking glass.

Explore routing observations, origin networks and RPKI validation.

AS33657

RIPE RIS
Retrieved · 2026-09-27T14:33:19+00:00Snapshot · 2026-09-27T08:00:00ZView JSON
Registration / WHOIS →

CMCS - Comcast Cable Communications, LLC

IPv4 prefixes
29
IPv6 prefixes
245
Snapshot interval
8 hours
PrefixFamilyDetails
192.189.235.0/24IPv4WHOIS · Paths & RPKI →
208.87.105.0/24IPv4WHOIS · Paths & RPKI →
50.236.234.0/24IPv4WHOIS · Paths & RPKI →
50.202.117.0/24IPv4WHOIS · Paths & RPKI →
50.204.128.0/24IPv4WHOIS · Paths & RPKI →
50.235.236.0/24IPv4WHOIS · Paths & RPKI →
192.110.220.0/23IPv4WHOIS · Paths & RPKI →
50.232.184.0/24IPv4WHOIS · Paths & RPKI →
76.78.2.0/24IPv4WHOIS · Paths & RPKI →
50.238.163.0/24IPv4WHOIS · Paths & RPKI →
50.218.16.0/24IPv4WHOIS · Paths & RPKI →
50.216.214.0/24IPv4WHOIS · Paths & RPKI →
50.235.98.0/24IPv4WHOIS · Paths & RPKI →
50.232.173.0/24IPv4WHOIS · Paths & RPKI →
50.226.61.0/24IPv4WHOIS · Paths & RPKI →
50.205.74.0/24IPv4WHOIS · Paths & RPKI →
50.236.38.0/24IPv4WHOIS · Paths & RPKI →
69.67.80.0/20IPv4WHOIS · Paths & RPKI →
50.219.87.0/24IPv4WHOIS · Paths & RPKI →
50.202.155.0/24IPv4WHOIS · Paths & RPKI →
50.201.252.0/24IPv4WHOIS · Paths & RPKI →
50.223.159.0/24IPv4WHOIS · Paths & RPKI →
50.223.158.0/24IPv4WHOIS · Paths & RPKI →
50.224.212.0/24IPv4WHOIS · Paths & RPKI →
50.204.116.0/24IPv4WHOIS · Paths & RPKI →
50.207.162.0/24IPv4WHOIS · Paths & RPKI →
50.232.109.0/24IPv4WHOIS · Paths & RPKI →
107.1.101.0/24IPv4WHOIS · Paths & RPKI →
50.203.251.0/24IPv4WHOIS · Paths & RPKI →
2001:559:87cc::/48IPv6WHOIS · Paths & RPKI →
2001:559:25b::/48IPv6WHOIS · Paths & RPKI →
2001:559:81f0::/48IPv6WHOIS · Paths & RPKI →
2001:559:4a8::/48IPv6WHOIS · Paths & RPKI →
2001:559:85f0::/48IPv6WHOIS · Paths & RPKI →
2001:559:c1b5::/48IPv6WHOIS · Paths & RPKI →
2001:559:874f::/48IPv6WHOIS · Paths & RPKI →
2001:559:3d2::/48IPv6WHOIS · Paths & RPKI →
2001:559:8336::/48IPv6WHOIS · Paths & RPKI →
2001:559:874d::/48IPv6WHOIS · Paths & RPKI →
2001:559:c42a::/48IPv6WHOIS · Paths & RPKI →
2001:559:1f0::/48IPv6WHOIS · Paths & RPKI →
2001:559:3ba::/48IPv6WHOIS · Paths & RPKI →
2001:559:8212::/48IPv6WHOIS · Paths & RPKI →
2001:559:834c::/48IPv6WHOIS · Paths & RPKI →
2001:559:87f5::/48IPv6WHOIS · Paths & RPKI →
2001:559:5b7::/48IPv6WHOIS · Paths & RPKI →
2001:559:840d::/48IPv6WHOIS · Paths & RPKI →
2001:559:849f::/48IPv6WHOIS · Paths & RPKI →
2001:559:847e::/48IPv6WHOIS · Paths & RPKI →
2001:559:c140::/48IPv6WHOIS · Paths & RPKI →
2001:559:284::/48IPv6WHOIS · Paths & RPKI →
2001:559:8331::/48IPv6WHOIS · Paths & RPKI →
2001:559:833a::/48IPv6WHOIS · Paths & RPKI →
2001:559:875e::/48IPv6WHOIS · Paths & RPKI →
2001:559:319::/48IPv6WHOIS · Paths & RPKI →
2001:559:724::/48IPv6WHOIS · Paths & RPKI →
2001:559:869c::/48IPv6WHOIS · Paths & RPKI →
2001:559:857f::/48IPv6WHOIS · Paths & RPKI →
2001:559:8617::/48IPv6WHOIS · Paths & RPKI →
2001:559:202::/48IPv6WHOIS · Paths & RPKI →
2001:559:8419::/48IPv6WHOIS · Paths & RPKI →
2001:559:80d3::/48IPv6WHOIS · Paths & RPKI →
2001:559:8380::/48IPv6WHOIS · Paths & RPKI →
2001:559:c2e2::/48IPv6WHOIS · Paths & RPKI →
2001:559:80b0::/48IPv6WHOIS · Paths & RPKI →
2001:559:c37a::/48IPv6WHOIS · Paths & RPKI →
2001:559:c4f7::/48IPv6WHOIS · Paths & RPKI →
2001:559:c468::/48IPv6WHOIS · Paths & RPKI →
2001:559:c4b0::/48IPv6WHOIS · Paths & RPKI →
2001:559:136::/48IPv6WHOIS · Paths & RPKI →
2001:559:85e4::/48IPv6WHOIS · Paths & RPKI →
2001:559:816b::/48IPv6WHOIS · Paths & RPKI →
2001:559:5ef::/48IPv6WHOIS · Paths & RPKI →
2001:559:84be::/48IPv6WHOIS · Paths & RPKI →
2001:559:2b6::/48IPv6WHOIS · Paths & RPKI →
2001:559:7e2::/48IPv6WHOIS · Paths & RPKI →
2001:559:c4b8::/48IPv6WHOIS · Paths & RPKI →
2001:559:c1b8::/48IPv6WHOIS · Paths & RPKI →
2001:559:8338::/48IPv6WHOIS · Paths & RPKI →
2001:559:c2b0::/48IPv6WHOIS · Paths & RPKI →
2001:559:db::/48IPv6WHOIS · Paths & RPKI →
2001:559:c3d6::/48IPv6WHOIS · Paths & RPKI →
2001:559:8090::/48IPv6WHOIS · Paths & RPKI →
2001:559:588::/48IPv6WHOIS · Paths & RPKI →
2001:559:8510::/48IPv6WHOIS · Paths & RPKI →
2001:559:c0c2::/48IPv6WHOIS · Paths & RPKI →
2001:559:7e9::/48IPv6WHOIS · Paths & RPKI →
2001:559:c1f0::/48IPv6WHOIS · Paths & RPKI →
2001:559:4a5::/48IPv6WHOIS · Paths & RPKI →
2001:559:80f5::/48IPv6WHOIS · Paths & RPKI →
2001:559:84cc::/48IPv6WHOIS · Paths & RPKI →
2001:559:c141::/48IPv6WHOIS · Paths & RPKI →
2001:559:288::/48IPv6WHOIS · Paths & RPKI →
2001:559:864a::/48IPv6WHOIS · Paths & RPKI →
2001:559:c320::/48IPv6WHOIS · Paths & RPKI →
2001:559:c390::/48IPv6WHOIS · Paths & RPKI →
2001:559:c572::/48IPv6WHOIS · Paths & RPKI →
2001:559:8171::/48IPv6WHOIS · Paths & RPKI →
2001:559:84e1::/48IPv6WHOIS · Paths & RPKI →
2001:559:c1d3::/48IPv6WHOIS · Paths & RPKI →
2001:559:c0c3::/48IPv6WHOIS · Paths & RPKI →
2001:559:282::/48IPv6WHOIS · Paths & RPKI →
2001:559:721::/48IPv6WHOIS · Paths & RPKI →
2001:559:758::/48IPv6WHOIS · Paths & RPKI →
2001:559:c180::/48IPv6WHOIS · Paths & RPKI →
2001:559:488::/48IPv6WHOIS · Paths & RPKI →
2001:559:304::/48IPv6WHOIS · Paths & RPKI →
2001:559:85bc::/48IPv6WHOIS · Paths & RPKI →
2001:559:c2a0::/48IPv6WHOIS · Paths & RPKI →
2001:559:3ca::/48IPv6WHOIS · Paths & RPKI →
2001:559:c342::/48IPv6WHOIS · Paths & RPKI →
2001:559:c3c4::/48IPv6WHOIS · Paths & RPKI →
2001:559:816a::/48IPv6WHOIS · Paths & RPKI →
2001:559:8040::/48IPv6WHOIS · Paths & RPKI →
2001:559:c54f::/48IPv6WHOIS · Paths & RPKI →
2001:559:8516::/48IPv6WHOIS · Paths & RPKI →
2001:559:81ca::/48IPv6WHOIS · Paths & RPKI →
2001:559:c4a7::/48IPv6WHOIS · Paths & RPKI →
2001:559:803f::/48IPv6WHOIS · Paths & RPKI →
2001:559:87::/48IPv6WHOIS · Paths & RPKI →
2001:559:7a::/48IPv6WHOIS · Paths & RPKI →
2001:559:857e::/48IPv6WHOIS · Paths & RPKI →
2001:559:85ec::/48IPv6WHOIS · Paths & RPKI →
2001:559:548::/48IPv6WHOIS · Paths & RPKI →
2001:559:841b::/48IPv6WHOIS · Paths & RPKI →
2001:559:865b::/48IPv6WHOIS · Paths & RPKI →
2001:559:8154::/48IPv6WHOIS · Paths & RPKI →
2001:559:808e::/48IPv6WHOIS · Paths & RPKI →
2001:559:8140::/48IPv6WHOIS · Paths & RPKI →
2001:559:8161::/48IPv6WHOIS · Paths & RPKI →
2001:559:794::/48IPv6WHOIS · Paths & RPKI →
2001:559:7a1::/48IPv6WHOIS · Paths & RPKI →
2001:559:805e::/48IPv6WHOIS · Paths & RPKI →
2001:559:574::/48IPv6WHOIS · Paths & RPKI →
2001:559:85cd::/48IPv6WHOIS · Paths & RPKI →
2001:559:c209::/48IPv6WHOIS · Paths & RPKI →
2001:559:c32e::/48IPv6WHOIS · Paths & RPKI →
2001:559:8396::/48IPv6WHOIS · Paths & RPKI →
2001:559:8141::/48IPv6WHOIS · Paths & RPKI →
2001:559:214::/48IPv6WHOIS · Paths & RPKI →
2001:559:70d::/48IPv6WHOIS · Paths & RPKI →
2001:559:80c2::/48IPv6WHOIS · Paths & RPKI →
2001:559:80fc::/48IPv6WHOIS · Paths & RPKI →
2001:559:7e6::/48IPv6WHOIS · Paths & RPKI →
2001:559:8247::/48IPv6WHOIS · Paths & RPKI →
2001:559:4a0::/48IPv6WHOIS · Paths & RPKI →
2001:559:c44d::/48IPv6WHOIS · Paths & RPKI →
2001:559:16a::/48IPv6WHOIS · Paths & RPKI →
2001:559:8061::/48IPv6WHOIS · Paths & RPKI →
2001:559:846a::/48IPv6WHOIS · Paths & RPKI →
2001:559:c178::/48IPv6WHOIS · Paths & RPKI →
2001:559:81ff::/48IPv6WHOIS · Paths & RPKI →
2001:559:8215::/48IPv6WHOIS · Paths & RPKI →
2001:559:85a7::/48IPv6WHOIS · Paths & RPKI →
2001:559:c351::/48IPv6WHOIS · Paths & RPKI →
2001:559:c43e::/48IPv6WHOIS · Paths & RPKI →
2001:559:c305::/48IPv6WHOIS · Paths & RPKI →
2001:559:837f::/48IPv6WHOIS · Paths & RPKI →
2001:559:c130::/48IPv6WHOIS · Paths & RPKI →
2001:559:718::/48IPv6WHOIS · Paths & RPKI →
2001:559:74b::/48IPv6WHOIS · Paths & RPKI →
2001:559:5d3::/48IPv6WHOIS · Paths & RPKI →
2001:559:c098::/48IPv6WHOIS · Paths & RPKI →
2001:559:380::/48IPv6WHOIS · Paths & RPKI →
2001:559:c307::/48IPv6WHOIS · Paths & RPKI →
2001:559:8213::/48IPv6WHOIS · Paths & RPKI →
2001:559:8262::/48IPv6WHOIS · Paths & RPKI →
2001:559:25a::/48IPv6WHOIS · Paths & RPKI →
2001:559:c3b0::/48IPv6WHOIS · Paths & RPKI →
2001:559:737::/48IPv6WHOIS · Paths & RPKI →
2001:559:80b1::/48IPv6WHOIS · Paths & RPKI →
2001:559:300::/48IPv6WHOIS · Paths & RPKI →
2001:559:c3d3::/48IPv6WHOIS · Paths & RPKI →
2001:559:800a::/48IPv6WHOIS · Paths & RPKI →
2001:559:3f1::/48IPv6WHOIS · Paths & RPKI →
2001:559:48::/48IPv6WHOIS · Paths & RPKI →
2001:559:c277::/48IPv6WHOIS · Paths & RPKI →
2001:559:832a::/48IPv6WHOIS · Paths & RPKI →
2001:559:c05b::/48IPv6WHOIS · Paths & RPKI →
2001:559:c30a::/48IPv6WHOIS · Paths & RPKI →
2001:559:1da::/48IPv6WHOIS · Paths & RPKI →
2001:559:847a::/48IPv6WHOIS · Paths & RPKI →
2001:559:c0c4::/48IPv6WHOIS · Paths & RPKI →
2001:559:8180::/48IPv6WHOIS · Paths & RPKI →
2001:559:c3ea::/48IPv6WHOIS · Paths & RPKI →
2001:559:2ca::/48IPv6WHOIS · Paths & RPKI →
2001:559:8581::/48IPv6WHOIS · Paths & RPKI →
2001:559:836f::/48IPv6WHOIS · Paths & RPKI →
2001:559:7fe::/48IPv6WHOIS · Paths & RPKI →
2001:559:869b::/48IPv6WHOIS · Paths & RPKI →
2001:559:43a::/48IPv6WHOIS · Paths & RPKI →
2001:559:835c::/48IPv6WHOIS · Paths & RPKI →
2001:559:c388::/48IPv6WHOIS · Paths & RPKI →
2001:559:810e::/48IPv6WHOIS · Paths & RPKI →
2001:559:80fd::/48IPv6WHOIS · Paths & RPKI →
2001:559:80cb::/48IPv6WHOIS · Paths & RPKI →
2001:559:816d::/48IPv6WHOIS · Paths & RPKI →
2001:559:83b9::/48IPv6WHOIS · Paths & RPKI →
2001:559:714::/48IPv6WHOIS · Paths & RPKI →
2001:559:865a::/48IPv6WHOIS · Paths & RPKI →
2001:559:2cb::/48IPv6WHOIS · Paths & RPKI →
2001:559:5cb::/48IPv6WHOIS · Paths & RPKI →
2001:559:c4d9::/48IPv6WHOIS · Paths & RPKI →
2001:559:c1a1::/48IPv6WHOIS · Paths & RPKI →
2001:559:83eb::/48IPv6WHOIS · Paths & RPKI →
2001:559:c48f::/48IPv6WHOIS · Paths & RPKI →
2001:559:191::/48IPv6WHOIS · Paths & RPKI →
2001:559:c516::/48IPv6WHOIS · Paths & RPKI →
2001:559:c379::/48IPv6WHOIS · Paths & RPKI →
2001:559:841d::/48IPv6WHOIS · Paths & RPKI →
2001:559:c438::/48IPv6WHOIS · Paths & RPKI →
2001:559:3dc::/48IPv6WHOIS · Paths & RPKI →
2001:559:7e5::/48IPv6WHOIS · Paths & RPKI →
2001:559:c39d::/48IPv6WHOIS · Paths & RPKI →
2001:559:84bc::/48IPv6WHOIS · Paths & RPKI →
2001:559:489::/48IPv6WHOIS · Paths & RPKI →
2001:559:85ab::/48IPv6WHOIS · Paths & RPKI →
2001:559:7d0::/48IPv6WHOIS · Paths & RPKI →
2001:559:c06a::/48IPv6WHOIS · Paths & RPKI →
2001:559:84de::/48IPv6WHOIS · Paths & RPKI →
2001:559:414::/48IPv6WHOIS · Paths & RPKI →
2001:559:c3f2::/48IPv6WHOIS · Paths & RPKI →
2001:559:8786::/48IPv6WHOIS · Paths & RPKI →
2001:559:8722::/48IPv6WHOIS · Paths & RPKI →
2001:559:1f8::/48IPv6WHOIS · Paths & RPKI →
2001:559:45a::/48IPv6WHOIS · Paths & RPKI →
2001:559:814f::/48IPv6WHOIS · Paths & RPKI →
2001:559:80b5::/48IPv6WHOIS · Paths & RPKI →
2001:559:82d8::/48IPv6WHOIS · Paths & RPKI →
2001:559:8779::/48IPv6WHOIS · Paths & RPKI →
2001:559:5cd::/48IPv6WHOIS · Paths & RPKI →
2001:559:a2::/48IPv6WHOIS · Paths & RPKI →
2001:559:110::/48IPv6WHOIS · Paths & RPKI →
2001:559:42c::/48IPv6WHOIS · Paths & RPKI →
2001:559:8263::/48IPv6WHOIS · Paths & RPKI →
2001:559:8444::/48IPv6WHOIS · Paths & RPKI →
2001:559:8041::/48IPv6WHOIS · Paths & RPKI →
2001:559:c2b1::/48IPv6WHOIS · Paths & RPKI →
2001:559:246::/48IPv6WHOIS · Paths & RPKI →
2001:559:c012::/48IPv6WHOIS · Paths & RPKI →
2001:559:c2d9::/48IPv6WHOIS · Paths & RPKI →
2001:559:80e9::/48IPv6WHOIS · Paths & RPKI →
2001:559:c365::/48IPv6WHOIS · Paths & RPKI →
2001:559:c3f3::/48IPv6WHOIS · Paths & RPKI →
2001:559:81b5::/48IPv6WHOIS · Paths & RPKI →
2001:559:c478::/48IPv6WHOIS · Paths & RPKI →
2001:559:8583::/48IPv6WHOIS · Paths & RPKI →
2001:559:c349::/48IPv6WHOIS · Paths & RPKI →
2001:559:491::/48IPv6WHOIS · Paths & RPKI →
2001:559:30d::/48IPv6WHOIS · Paths & RPKI →
2001:559:8582::/48IPv6WHOIS · Paths & RPKI →
2001:559:87b4::/48IPv6WHOIS · Paths & RPKI →
2001:559:c29f::/48IPv6WHOIS · Paths & RPKI →
2001:559:c4bf::/48IPv6WHOIS · Paths & RPKI →
2001:559:7be::/48IPv6WHOIS · Paths & RPKI →
2001:559:8726::/48IPv6WHOIS · Paths & RPKI →
2001:559:c4f8::/48IPv6WHOIS · Paths & RPKI →
2001:559:8794::/48IPv6WHOIS · Paths & RPKI →
2001:559:86ba::/48IPv6WHOIS · Paths & RPKI →
2001:559:ae::/48IPv6WHOIS · Paths & RPKI →
2001:559:82c9::/48IPv6WHOIS · Paths & RPKI →
2001:559:c133::/48IPv6WHOIS · Paths & RPKI →
2001:559:3eb::/48IPv6WHOIS · Paths & RPKI →
2001:559:c454::/48IPv6WHOIS · Paths & RPKI →
2001:559:8740::/48IPv6WHOIS · Paths & RPKI →
2001:559:8682::/48IPv6WHOIS · Paths & RPKI →
2001:559:75e::/48IPv6WHOIS · Paths & RPKI →
2001:559:c2c6::/48IPv6WHOIS · Paths & RPKI →
2001:559:84af::/48IPv6WHOIS · Paths & RPKI →
2001:559:c505::/48IPv6WHOIS · Paths & RPKI →
2001:559:2f3::/48IPv6WHOIS · Paths & RPKI →
2001:559:c15e::/48IPv6WHOIS · Paths & RPKI →
2001:559:c221::/48IPv6WHOIS · Paths & RPKI →
2001:559:8728::/48IPv6WHOIS · Paths & RPKI →

RIPEstat / RIS observations represent participating peers, not every router on the Internet. Collector processing and snapshots introduce a delay.