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	Prefix	Description
	50.234.250.0/24	Comcast Cable Communications, LLC
	216.39.34.0/23	NBCUniversal

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS22694	NBCUniversal	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS22694	NBCUniversal	✔	✘

ASHandle:       AS54040
OrgID:          NBCUN-5
ASName:         NBCUNI
ASNumber:       54040
RegDate:        2011-09-14
Updated:        2014-06-09
Source:         ARIN



OrgID:          NBCUN-5
OrgName:        NBCUniversal
CanAllocate:    
Street:         30 ROCKEFELLER CENTER
City:           NEW YORK
State/Prov:     NY
Country:        US
PostalCode:     10112
RegDate:        2006-12-11
Updated:        2025-01-21
OrgAdminHandle: NBCUA-ARIN
OrgTechHandle:  NBCUT-ARIN
OrgAbuseHandle: INFOS6-ARIN
OrgNOCHandle:   NBCUO-ARIN
Source:         ARIN





OrgAdminHandle:       NBCUA-ARIN
OrgAdminName:          NBCU Admin
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        NBCUT-ARIN
OrgTechName:           NBCU Technical
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       INFOS6-ARIN
OrgAbuseName:          InfoSec
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         NBCUO-ARIN
OrgNOCName:            NBCUO-ARIN
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-05-07T03:37:19Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
ALTDB	as-jarmtelco	651
RADB	as-comcast-edia	2766
RIPE	as-gttcust	91231
RADB	as-comcast-ibone	27864