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United States

AS33667

Comcast Cable Communications, LLC ISP registered in United States

13IPv4 prefixes
59IPv6 prefixes
92%RPKI-valid
#359AS Rank
#476Rank in United States
2005-02-16Allocated

Comcast Cable Communications, LLC (AS33667) — ISP, registered in United States. announces 13 IPv4 prefixes + 59 IPv6 prefixes. Rank in United States: #476. Allocated: 2005-02-16.

Announced prefixes · 72

RPKI: rpki.cloudflare.com · 2026-06-19

— Routing status unavailable

Prefix history

0 25 50 2026-06-12 2026-06-19
Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)
Data table
DayAnnounced prefixes
2026-06-1272
2026-06-1372
2026-06-1972

Facilities · 1

AS topology · Customer cone 142

Providers · 2

  • AS3356 Level 3 Parent, LLC
  • AS7922 Comcast Cable Communications, LLC

Peers · 2

Customers · 140

  • AS20940 Akamai International B.V.
  • AS1226 California Department of Technology
  • AS6099 Alameda County Office of Education
  • AS17035 NBCUniversal
  • AS23338 DCS Pacific Star, LLC
  • AS40620 QIAGEN Redwood City, Inc.
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