AS54040 NBCUniversal

• IPv4 Prefixes
• IPv6 Prefixes

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	50.207.32.0/21	Comcast Cable Communications, LLC		58.6.128.0/17	APNIC
	50.228.144.0/20	Comcast Cable Communications, LLC		50.128.0.0/9	ARIN
	50.234.250.0/24	Comcast Cable Communications, LLC		50.128.0.0/9	ARIN
	204.237.131.0/24	NBCUniversal		203.249.160.0/19	APNIC

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	2001:668:121::/48			2001:668::/29	RIPE
	2001:668:122::/48			2001:668::/29	RIPE

• IPv4 Peers
• IPv6 Peers

Country	ASN	Name	Description	IPv6
	AS7922	COMCAST-7922	Comcast Cable Communications, LLC
	AS3257	GTT-BACKBONE	GTT

Country	ASN	Name	Description	IPv4
	AS7922	COMCAST-7922	Comcast Cable Communications, LLC

• IPv4 Upstreams
• IPv6 Upstreams

Country	ASN	Name	Description	IPv6
	AS3257	GTT-BACKBONE	GTT
	AS7922	COMCAST-7922	Comcast Cable Communications, LLC

IPv4 Upstream Graph

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IPv4 Upstream Graph

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Country	ASN	Name	Description	IPv4
	AS7922	COMCAST-7922	Comcast Cable Communications, LLC

IPv6 Upstream Graph

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IPv6 Upstream Graph

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#
# 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:       54040
ASName:         NBCUNI
ASHandle:       AS54040
RegDate:        2011-09-14
Updated:        2014-06-09    
Ref:            https://rdap.arin.net/registry/autnum/54040


OrgName:        NBCUniversal
OrgId:          NBCUN-5
Address:        30 ROCKEFELLER CENTER
City:           NEW YORK
StateProv:      NY
PostalCode:     10112
Country:        US
RegDate:        2006-12-11
Updated:        2025-01-21
Ref:            https://rdap.arin.net/registry/entity/NBCUN-5


OrgNOCHandle: NBCUO-ARIN
OrgNOCName:   NBCUO-ARIN
OrgNOCPhone:  +1-818-777-9673 
OrgNOCEmail:  nbcu_arinops@nbcuni.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NBCUO-ARIN

OrgTechHandle: NBCUT-ARIN
OrgTechName:   NBCU Technical
OrgTechPhone:  +1-818-777-9673 
OrgTechEmail:  nbcu_arintech@nbcuni.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NBCUT-ARIN

OrgAbuseHandle: INFOS6-ARIN
OrgAbuseName:   InfoSec
OrgAbusePhone:  +1-212-664-4444 
OrgAbuseEmail:  sralerts@nbcuni.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/INFOS6-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.
#