AS33491

Name: AS33491 — Comcast Cable Communications, LLC
Creator: ipdex

Comcast Cable Communications, LLC ISP registered in United States

91IPv4 prefixes

210IPv6 prefixes

92%RPKI-valid

#214AS Rank

#108Rank in United States

2004-12-30Allocated

Comcast Cable Communications, LLC (AS33491) — ISP, registered in United States. announces 91 IPv4 prefixes + 210 IPv6 prefixes. Rank in United States: #108. Allocated: 2004-12-30.

IPv4 91IPv6 210

Announced prefixes · 301

v6 2620:13a:6001::/48 unknown

RPKI: rpki.cloudflare.com · 2026-06-21

— Routing status unavailable

Prefix history

Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)

Data table

Day	Announced prefixes
2026-06-12	296
2026-06-13	296
2026-06-14	300
2026-06-16	301

Facilities · 1

1 Facilities · 1 Countries

Ascent - CH2 Northlake

AS topology · Customer cone 261

Providers · 2

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

Customers · 254

AS19855 Masergy Communications, Inc.
AS36443 Aunalytics, Inc
AS63474 Sirius Computer Solutions, Inc.
AS11739 Digital Fortress, Inc.
AS14858 Hanson Information Systems, Inc. / Family Net
AS17035 NBCUniversal

Embed this on your site

Free badges and live charts — they update as the index does. No key, link back to ipdex.

Badge

Markdown

[![AS33491 on ipdex](https://ipdex.io/badge/asn/33491.svg)](https://ipdex.io/asn/AS33491/)

HTML

<a href="https://ipdex.io/asn/AS33491/"><img src="https://ipdex.io/badge/asn/33491.svg" alt="AS33491 on ipdex"></a>

Live chart (iframe)

<iframe src="https://ipdex.io/embed/asn/33491" width="680" height="260" frameborder="0" scrolling="no" title="ipdex chart" style="border:0;max-width:100%"></iframe>

oEmbed-enabled: paste the page URL into platforms that support oEmbed and the chart embeds automatically.