Data as of Nov 8, 2026

74.81.128.0/19

No anonymizer space · no proxy exits in 30 days

Comcast Cable Communications, LLC

Announcement
this exact prefix
RPKI valid
Announced by
Type
Residential
91% of it

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
74.81.128.0/198,192COMCAST-HOUSTONComcast Cable Communications, LLC (CCCS) · USDirect AllocationAug 12, 2008abuse@comcast.net
└ 74.81.130.0/23512COMPUTER-SOLUTIONSunknown———
└ 74.81.132.0/221,024COMPUTER-SOLUTIONSunknown———
└ 74.81.148.0/221,024COMCAST-HOUSTONunknown———
└ 74.81.152.0/221,024COMCAST-HOUSTON2unknown———
└ 74.81.156.0/23512COMCAST-HOUSTONunknown———

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

8,192 addresses
TypeAddressesShareRanges
Residential7,42491%2
Business7689.4%3

Network & registry

Origin network

AS7922

US
Name
Comcast Cable Communications, LLC
Type
Internet provider
Registered
Feb 14, 1997
Domain
comcast.com
Website
corporate.comcast.com/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed