AS26868 NCTA - The Internet & Television Association

• IPv4 Prefixes
• IPv6 Prefixes

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	209.23.210.0/24	National Cable & Telecommunications Association		209.23.192.0/18	ARIN

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	2001:559:8001::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN

• IPv4 Peers
• IPv6 Peers

Country	ASN	Name	Description	IPv6
	AS33657	CMCS	Comcast Cable Communications, LLC
	AS6461	ZAYO-6461	Zayo Bandwidth

Country	ASN	Name	Description	IPv4
	AS33657	CMCS	Comcast Cable Communications, LLC

• IPv4 Upstreams
• IPv6 Upstreams

Country	ASN	Name	Description	IPv6
	AS33657	CMCS	Comcast Cable Communications, LLC
	AS6461	ZAYO-6461	Zayo Bandwidth

IPv4 Upstream Graph

×

IPv4 Upstream Graph

Loading...

Loading...

Country	ASN	Name	Description	IPv4
	AS33657	CMCS	Comcast Cable Communications, LLC

IPv6 Upstream Graph

×

IPv6 Upstream Graph

Loading...

Loading...

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#


ASNumber:       26868
ASName:         NCTA-WASHINGTONDC
ASHandle:       AS26868
RegDate:        2010-11-16
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/26868


OrgName:        NCTA - The Internet & Television Association
OrgId:          NCTA-2
Address:        25 Massachusetts Ave NW
Address:        Suite 100
City:           Washington
StateProv:      DC
PostalCode:     20001
Country:        US
RegDate:        2006-09-07
Updated:        2022-01-24
Ref:            https://rdap.arin.net/registry/entity/NCTA-2


OrgAbuseHandle: DGR138-ARIN
OrgAbuseName:   Grenkevich, David 
OrgAbusePhone:  +1-202-222-2402 
OrgAbuseEmail:  dgrenkevich@ncta.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/DGR138-ARIN

OrgTechHandle: DGR138-ARIN
OrgTechName:   Grenkevich, David 
OrgTechPhone:  +1-202-222-2402 
OrgTechEmail:  dgrenkevich@ncta.com
OrgTechRef:    https://rdap.arin.net/registry/entity/DGR138-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#