Home ASN LookupAS22258

AS22258 COMCAST-22258 - Comcast Cable Communications, LLC

🇺🇸

ARINassigned

Announced Prefixes (BGP)

124total

101 IPv423 IPv6

IPv4 Addresses

Allocated (RIR)0

Announced (BGP)666,112

IPv6 Addresses

Allocated (RIR)0

Announced (BGP)1×10³¹

Prefix Limit (IPv4)

500

Prefix Limit (IPv6)

100

Country

🇺🇸 US

RIR

ARIN

Status

assigned

Allocated

2001-08-27

Announced Prefixes

(BGP)124

Prefix	RPKI	IRR	Last Seen
23.25.160.0/20	Valid	-	2026-10-11
50.76.208.0/20	Valid	-	2026-10-11
50.77.4.0/24	Valid	-	2026-10-11
50.186.0.0/19	Valid	-	2026-10-11
50.194.32.0/20	Valid	-	2026-10-11
50.197.224.0/24	Valid	-	2026-10-11
50.225.146.0/24	Valid	-	2026-10-11
50.246.128.0/19	Valid	-	2026-10-11
50.252.160.0/20	Valid	-	2026-10-11
50.255.64.0/19	Valid	-	2026-10-11

1-10 of 124

1 / 13

All 124 announced prefixes of AS22258 →

BGP Neighbours

(seen in AS paths)

Upstreams (1)

Networks AS22258 hands its own prefixes to: transit providers, or peers at an exchange.

AS7922Comcast Cable Communications124

Downstreams (8)

Networks whose own prefixes AS22258 passes on: usually its customers.

AS54113Fastly3
AS14303City Of Memphis2
AS26735Memphis Light, Gas & Water2
AS13335Cloudflare1
AS31787Microport Orthopedics1
AS32032Orgill1
AS36040Google1
AS394824Christian Brothers University1

Transfer History

Registry transfers of AS22258 between organisations.

AS22258M&A · 2016-08-31
Comcast Cable Communications Holdings, Inc
🇺🇸 US ARIN
→
Comcast Cable Communications, LLC
🇺🇸 US ARIN

Date	Resource	From	To	Type
2016-08-31	AS22258	Comcast Cable Communications Holdings, Inc 🇺🇸 US ARIN	Comcast Cable Communications, LLC 🇺🇸 US ARIN	M&A

ASPA

No ASPA

External Links

ARIN Whois RIPEstat

Learn more

What is an ASN?Autonomous systems, ASN ranges and how they are assigned
RPKI and route origin validationWhat the RPKI badges on the prefix list mean
ASPA explainedWhy AS22258 should publish an ASPA object
IPv4 transfers in the ARIN regionMonthly volume and the latest registry transfers
ASN data in AI agents and SIEMMCP server and API integrations

API

Open

GEThttps://api.ipctl.io/v1/asn/22258

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/22258" | jq