United States

AS6128

Cablevision Systems Corp. ISP registered in United States

79IPv4 prefixes
10IPv6 prefixes
81%RPKI-valid
#169AS Rank
327/327RIS visibility
#391Rank in United States

Cablevision Systems Corp. (AS6128) — ISP, registered in United States. announces 79 IPv4 prefixes + 10 IPv6 prefixes. Rank in United States: #391.

Announced prefixes · 89

RPKI: rpki.cloudflare.com · 2026-06-17

Routing: 79 IPv4 · 10 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-17

Prefix history

0 50 2026-06-12 2026-06-13
Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)
Data table
DayAnnounced prefixes
2026-06-1289
2026-06-1389

Internet Exchanges · 4

Facilities · 5

AS topology · Customer cone 338

Providers · 5

  • AS3356 Level 3 Parent, LLC
  • AS1299 Arelion Sweden AB
  • AS174 Cogent Communications, LLC
  • AS7922 Comcast Cable Communications, LLC
  • AS3737 PenTeleData Inc.

Peers · 43

Customers · 3

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