Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS33668

Announcement observedARIN

Comcast Cable Communications, LLC · CMCS

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active10/10/2026, 03:10:07Snapshot expired

View network topology RDAP registration

ASN: AS33668
Registration country: United States
Name: Comcast Cable Communications, LLC
Abbreviation: CMCS
Registration date: 2/16/2005, 19:59:31
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
107.0.213.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/13/2026, 08:00:00	✓	×	Currently valid
157.240.130.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/13/2026, 08:00:00	✓	×	Currently valid
157.240.135.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/13/2026, 08:00:00	✓	×	Currently valid
192.138.205.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/13/2026, 08:00:00	✓	×	Currently valid
192.88.105.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/13/2026, 08:00:00	✓	×	Currently valid
198.180.251.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/13/2026, 08:00:00	✓	×	Currently valid
198.199.172.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	9/25/2026, 00:00:00	✓	×	Historical record
206.201.156.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/13/2026, 08:00:00	✓	×	Currently valid
206.201.158.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/13/2026, 08:00:00	✓	×	Currently valid
50.202.125.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/13/2026, 08:00:00	✓	×	Currently valid
50.203.250.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/13/2026, 08:00:00	✓	×	Currently valid
50.204.170.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/13/2026, 08:00:00	✓	×	Currently valid
50.206.127.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/13/2026, 08:00:00	✓	×	Currently valid
50.207.92.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/13/2026, 08:00:00	✓	×	Currently valid
50.217.249.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/13/2026, 08:00:00	✓	×	Currently valid
50.220.170.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/13/2026, 08:00:00	✓	×	Currently valid
50.221.158.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/13/2026, 08:00:00	✓	×	Currently valid
50.223.155.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/13/2026, 08:00:00	✓	×	Currently valid
50.226.70.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/13/2026, 08:00:00	✓	×	Currently valid
50.227.241.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/13/2026, 08:00:00	✓	×	Currently valid
50.228.137.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/13/2026, 08:00:00	✓	×	Currently valid
50.229.7.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/13/2026, 08:00:00	✓	×	Currently valid
50.232.15.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/13/2026, 08:00:00	✓	×	Currently valid
50.233.114.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/13/2026, 08:00:00	✓	×	Currently valid
50.233.62.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/13/2026, 08:00:00	✓	×	Currently valid
50.238.250.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/13/2026, 08:00:00	✓	×	Currently valid
50.239.133.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/13/2026, 08:00:00	✓	×	Currently valid

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: Comcast Cable Communications, LLC
RIR: ARIN
Registration country: United States
Registration date: 2/16/2005, 19:59:31
Abuse contact: abuse@comcast.net

Snapshot trend

10/10/2026, 03:10:0726 v469 v62 Upstream · 0 Uncertain

10/2/2026, 16:03:0527 v469 v62 Upstream · 0 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · iana-rdap-asn-bootstrap · rir-rdap-asn