Data as of Nov 10, 2026
Autonomous system

AS396021

Comcast Cable Communications, LLC

Announces 1,280 addresses in 4 prefixes. None of it is anonymizer space.

Type
Internet provider
US

Announced prefixes

Arrived
PrefixTypeHolderRPKI
50.171.218.0/24
since Mar 2024
Residential
via Comcast Cable Communications, LLC
50.216.94.0/24
since Sep 2023
Residential
50.225.249.0/24
since Sep 2017
Residential
50.227.252.0/23
since Mar 2024
Residential

Network & history

Routing patterns

How its announcements have moved

Arrivals

Year each prefix's current origin began announcing it