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	Prefix	Description
	2001:559:ba::/48	Comcast Cable Communications, LLC
	2001:559:bb::/48	Comcast Cable Communications, LLC
	2001:559:12b::/48	Comcast Cable Communications, LLC
	2001:559:24d::/48	Comcast Cable Communications, LLC
	2001:559:38f::/48	Comcast Cable Communications, LLC
	2001:559:3cf::/48	Comcast Cable Communications, LLC
	2001:559:7d7::/48	Comcast Cable Communications, LLC
	2001:559:8165::/48	Comcast Cable Communications, LLC
	2001:559:8208::/48	Comcast Cable Communications, LLC
	2001:559:8465::/48	Comcast Cable Communications, LLC
	2001:559:87cd::/48	Comcast Cable Communications, LLC
	2001:559:87ce::/48	Comcast Cable Communications, LLC
	2001:559:c151::/48	Comcast Cable Communications, LLC
	2001:559:c517::/48	Comcast Cable Communications, LLC
	2001:559:c553::/48	Comcast Cable Communications, LLC
	2001:559:c555::/48	Comcast Cable Communications, LLC

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS7922	Comcast Cable Communications, LLC	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS7922	Comcast Cable Communications, LLC	✔	✔
	AS394037	RIO CITIES	✔	✔
	AS62621	ERR_AS_NAME_NOT_FOUND	✔	✔
	AS31883	Thornburg Investment Management Inc.	✔	✘
	AS400445	NUSENDA FEDERAL CREDIT UNION	✔	✘
	AS22523	State of NM Administrative Office of the Courts	✔	✘
	AS30331	St. Vincent Hospital	✔	✘
	AS401002	Bridgers & Paxton Consulting Engineers, Inc.	✔	✘
	AS11458	Advanced Network Management, Inc	✔	✘
	AS394997	Nexum, Inc.	✔	✘
	AS397167	Presbyterian Healthcare Services	✔	✘
	AS11710	ABBA TECHNOLOGIES	✔	✘
	AS46808	Pueblo of Santa Ana	✔	✘
	AS12137	LightHouse Business Information Solutions, LLC	✔	✘
	AS31948	Santa Ana Star Casino Hotel	✔	✘

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Downstreams

	ASN	Description	IPv4	IPv6
	AS394037	RIO CITIES	✔	✔
	AS62621	ERR_AS_NAME_NOT_FOUND	✔	✔
	AS31883	Thornburg Investment Management Inc.	✔	✘
	AS22523	State of NM Administrative Office of the Courts	✔	✘
	AS400445	NUSENDA FEDERAL CREDIT UNION	✔	✘
	AS30331	St. Vincent Hospital	✔	✘
	AS401002	Bridgers & Paxton Consulting Engineers, Inc.	✔	✘
	AS11458	Advanced Network Management, Inc	✔	✘
	AS394997	Nexum, Inc.	✔	✘
	AS46808	Pueblo of Santa Ana	✔	✘
	AS397167	Presbyterian Healthcare Services	✔	✘
	AS11710	ABBA TECHNOLOGIES	✔	✘
	AS12137	LightHouse Business Information Solutions, LLC	✔	✘
	AS31948	Santa Ana Star Casino Hotel	✔	✘

ASHandle:       AS33654
OrgID:          CCCS
ASName:         CMCS
ASNumber:       33654
RegDate:        2005-02-16
Updated:        2021-01-25
Source:         ARIN



OrgID:          CCCS
OrgName:        Comcast Cable Communications, LLC
CanAllocate:    
Street:         1800 Bishops Gate Blvd
City:           Mt Laurel
State/Prov:     NJ
Country:        US
PostalCode:     08054
RegDate:        2001-09-18
Updated:        2020-11-18
OrgAdminHandle: IC161-ARIN
OrgTechHandle:  IC161-ARIN
OrgAbuseHandle: NAPO-ARIN
OrgRoutingHandle:   ROUTI25-ARIN
Source:         ARIN





OrgAdminHandle:       IC161-ARIN
OrgAdminName:          Comcast Cable Communications Inc
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        IC161-ARIN
OrgTechName:           Comcast Cable Communications Inc
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       NAPO-ARIN
OrgAbuseName:          Network Abuse and Policy Observance
# Email removed, Log into bgp.tools to see whois emails


OrgRoutingHandle:     ROUTI25-ARIN
OrgRoutingName:        Routing
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2025-12-30T03:34:40Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-comcast-rans	25
RADB	as-comcast-ibone	28265
LEVEL3	as-lumen-customers-asns	10695