AS Name
NBCUNI
Org Name
NBCUniversal
AS54040 Looking Glass
IPv4Prefixes

3

IPv6Prefixes

2

IPv4 NUMs

4,608

IPv6 NUMs(/64)

131,072

4,608 IPv4 Addresses
CIDR Description IP Num
50.228.144.0/20 Comcast Cable Communications, LLC 4096
50.234.250.0/24 Comcast Cable Communications, LLC 256
204.237.131.0/24 PacketExchange, Inc 256
CIDR Description IP NUMs(prefix /64)
2001:668:121::/48 NBCUNIVERSAL-GTT6 65536
2001:668:122::/48 NBCUNIVERSAL-GTT6 65536
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS286 KPN - KPN B.V., NL Netherlands 2,660,096 197,569,282,048 IPv4 IPv4
AS3257 GTT-BACKBONE - GTT Communications Inc., US United States 2,597,408 197,569,544,192 IPv4 IPv4
AS33287 COMCAST-33287 - Comcast Cable Communications, LLC, US United States 78,336 23,592,960 IPv4 IPv4 IPv6 IPv6
AS33659 CMCS - Comcast Cable Communications, LLC, US United States 16,640 22,609,920 IPv4 IPv4 IPv6 IPv6
IP Address Domain NUMs Domains
50.228.145.21 5 anywhere.nbcuni.com
50.228.145.22 1 anywherestaging.nbcuni.com
50.228.145.24 1 umdr2.nbcuni.com
50.228.145.28 2 nbcprogramprep.com
50.228.145.35 1 newsaspera.nbcuni.com
50.228.145.37 4 lhuoguestpromovalidation.com
50.228.145.38 2 github-web.inbcu.com
50.228.145.44 1 ssoapp.stg.inbcu.com
50.228.145.45 2 sso.inbcu.com
50.228.145.46 1 login.stg.inbcu.com
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:        2019-11-06
Ref:            https://rdap.arin.net/registry/entity/NBCUN-5


OrgAbuseHandle: INFOS6-ARIN
OrgAbuseName:   InfoSec
OrgAbusePhone:  +1-212-664-4444 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/INFOS6-ARIN

OrgTechHandle: NBCUT-ARIN
OrgTechName:   NBCU Technical
OrgTechPhone:  +1-818-777-9176 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/NBCUT-ARIN