Autonomous system profile

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

AS20214

Announcement observedARIN

Comcast Cable Communications, LLC · COMCAST-20214

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

Last active10/15/2026, 23:34:03Snapshot expired

View network topology RDAP registration

ASN: AS20214
Registration country: United States
Name: Comcast Cable Communications, LLC
Abbreviation: COMCAST-20214
Registration date: 4/6/2001, 04:00:00
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
141.193.53.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
147.137.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
168.221.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
168.221.171.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
168.221.176.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
50.150.146.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
50.200.159.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
50.200.25.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
50.202.167.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
50.202.227.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
50.202.4.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
50.205.246.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
50.216.237.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
50.222.172.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
50.224.11.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
50.224.22.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
50.224.249.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
50.224.86.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
50.229.72.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
50.233.138.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
50.237.224.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
50.237.82.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	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: 4/6/2001, 04:00:00
Abuse contact: abuse@comcast.net

Snapshot trend

10/15/2026, 23:34:0322 v495 v62 Upstream · 0 Uncertain

10/1/2026, 04:41:0022 v495 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