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

v4 50.217.237.0/24 valid
v4 50.218.78.0/24 valid
v4 50.219.59.0/24 valid
v4 50.219.60.0/24 valid
v4 50.220.116.0/24 valid
v4 50.220.130.0/23 valid
v4 50.220.188.0/24 valid
v4 50.220.4.0/22 valid
v4 50.220.44.0/24 valid
v4 50.224.140.0/23 valid
v4 50.224.194.0/24 valid
v4 50.224.45.0/24 valid
v4 50.225.88.0/24 valid
v4 50.227.239.0/24 valid
v4 50.228.97.0/24 valid
v4 50.229.76.0/22 valid
v4 50.230.112.0/24 valid
v4 50.230.91.0/24 valid
v4 50.231.119.0/24 valid
v4 50.231.218.0/24 valid
v4 50.231.221.0/24 valid
v4 50.231.36.0/24 valid
v4 50.231.52.0/24 valid
v4 50.232.142.0/24 valid
v4 50.232.176.0/24 valid
v4 50.232.195.0/24 valid
v4 50.232.93.0/24 valid
v4 50.232.95.0/24 valid
v4 50.233.216.0/24 valid
v4 50.233.247.0/24 valid
v4 50.234.141.0/24 valid
v4 50.234.21.0/24 valid
v4 50.235.155.0/24 valid
v4 50.237.111.0/24 valid
v4 50.237.112.0/24 valid
v4 50.237.12.0/24 valid
v4 50.237.39.0/24 valid
v4 50.238.81.0/24 valid
v4 50.239.160.0/24 valid
v4 63.174.218.0/24 unknown
v4 66.240.58.0/24 valid
v6 2001:559:12d::/48 valid
v6 2001:559:134::/48 valid
v6 2001:559:146::/48 valid
v6 2001:559:148::/48 valid
v6 2001:559:15d::/48 valid
v6 2001:559:1d6::/48 valid
v6 2001:559:1e3::/48 valid
v6 2001:559:1e5::/48 valid
v6 2001:559:1fc::/48 valid

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

— 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

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

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