AS Number
AS16477
AS Name
NCL-203-16477
Org Name
Nielsen Consumer LLC
Country / Region
United States
Registry

arin

RegDate

2022-01-04

Updated

2026-08-07

AS16477 Looking Glass
IPv4Prefixes

21

IPv6Prefixes

0

IPv4 NUMs

8,448

IPv6 NUMs(/64)

0

CIDR Description IP Num
138.108.3.0/24
IRR Valid
Nielsen Consumer LLC 256
138.108.32.0/24
IRR Valid
Nielsen Consumer LLC 256
138.108.36.0/24
IRR Valid
Nielsen Consumer LLC 256
138.108.80.0/24
IRR Valid
Nielsen Consumer LLC 256
138.108.81.0/24
IRR Valid
Nielsen Consumer LLC 256
138.108.82.0/24
IRR Valid
Nielsen Consumer LLC 256
138.108.96.0/21
IRR Valid
Nielsen Consumer LLC 2048
138.108.104.0/23
IRR Valid
Nielsen Consumer LLC 512
138.108.106.0/23
IRR InValid
Nielsen Consumer LLC 512
138.108.115.0/24
IRR Parent Valid
Nielsen Consumer LLC 256
138.108.136.0/24
IRR Valid
Nielsen Consumer LLC 256
138.108.137.0/24
IRR Parent Valid
Nielsen Consumer LLC 256
138.108.138.0/24
IRR Parent Valid
Nielsen Consumer LLC 256
138.108.140.0/22
IRR Valid
Nielsen Consumer LLC 1024
138.108.144.0/24
IRR Valid
Nielsen Consumer LLC 256
138.108.150.0/24
IRR Parent Valid
Nielsen Consumer LLC 256
138.108.152.0/24
IRR Parent Valid
Nielsen Consumer LLC 256
138.108.154.0/24
IRR Valid
Nielsen Consumer LLC 256
138.108.155.0/24
IRR Valid
Nielsen Consumer LLC 256
138.108.157.0/24
IRR Valid
Nielsen Consumer LLC 256
138.108.162.0/24
IRR Valid
Nielsen Consumer LLC 256
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS46887 ZAYO-CCF-AS46887 - Zayo Bandwidth, US United States 864,768 17,180,327,936 IPv4 IPv4
AS55836 RELIANCEJIO-IN - Reliance Jio Infocomm Limited, IN India 4,226,304 4,432,390,127,616 IPv4 IPv4
AS139883 SPTEL-AS-AP - SPTEL PTE. LTD., SG Singapore 1,280 65,536 IPv4 IPv4
AS4755 TATACOMM-AS - Tata Communications Limited, IN India 1,760,512 8,590,196,736 IPv4 IPv4
AS7018 ATT-INTERNET4 - AT&T Enterprises, LLC, US United States 92,807,680 2,306,398,093,312 IPv4 IPv4
AS8220 COLT - COLT Technology Services Group Limited, GB United Kingdom 1,497,088 25,770,590,208 IPv4 IPv4
AS9457 DREAMX-AS - DREAMLINE CO., KR Republic of Korea 902,912 4,294,967,296 IPv4 IPv4
AS9930 TTNET-MY - TT DOTCOM SDN BHD, MY Malaysia 741,888 4,295,098,368 IPv4 IPv4
AS14178 Megacable Comunicaciones de Mexico, S.A. de C.V., MX Mexico 59,136 4,294,967,296 IPv4 IPv4
AS1000 LINK-AMERICAN - LINK AMERICAN, US United States 256 0 IPv4 IPv4
AS2856 BT-UK-AS - British Telecommunications Limited, GB United Kingdom 13,897,728 584,115,814,400 IPv4 IPv4
AS9255 CONNECTPLUS-AS - Singapore Telecom, ConnectPlus, SG Singapore 25,344 3,735,552 IPv4 IPv4
AS4788 TTSSB-MY - TM TECHNOLOGY SERVICES SDN BHD, MY Malaysia 3,248,640 4,301,651,968 IPv4 IPv4
AS9304 HUTCHISON-AS-AP - HGC Global Communications Limited, HK Hong Kong 1,771,776 1,215,476,531,200 IPv4 IPv4
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 28,864,256 81,626,398,720 IPv4 IPv4
AS6660 CWASIA - VODAFONE ENTERPRISE EQUIPMENT LIMITED, GB United Kingdom 37,888 4,294,967,296 IPv4 IPv4
AS9924 TFN-TW - Taiwan Fixed Network, Telco and Network Service Provider., TW Taiwan 1,892,096 150,323,855,360 IPv4 IPv4
ASNumber:       16477
ASName:         NCL-203-16477
ASHandle:       AS16477
RegDate:        2023-05-03
Updated:        2023-05-03
Ref:            https://rdap.arin.net/registry/autnum/16477


OrgName:        Nielsen Consumer LLC
OrgId:          NCL-203
Address:        200 W Jackson Blvd
City:           Chicago
StateProv:      IL
PostalCode:     60606
Country:        US
RegDate:        2022-01-04
Updated:        2026-08-07
Ref:            https://rdap.arin.net/registry/entity/NCL-203


OrgTechHandle: WHITE2731-ARIN
OrgTechName:   White, David 
OrgTechPhone:  +1-727-421-0847 
OrgTechEmail:  david.white@nielseniq.com
OrgTechRef:    https://rdap.arin.net/registry/entity/WHITE2731-ARIN

OrgNOCHandle: WHITE2731-ARIN
OrgNOCName:   White, David 
OrgNOCPhone:  +1-727-421-0847 
OrgNOCEmail:  david.white@nielseniq.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/WHITE2731-ARIN

OrgTechHandle: BUNNE50-ARIN
OrgTechName:   Bunnell, Scott 
OrgTechPhone:  +1-847-466-4673 
OrgTechEmail:  scott.bunnell@nielseniq.com
OrgTechRef:    https://rdap.arin.net/registry/entity/BUNNE50-ARIN

OrgAbuseHandle: BUNNE50-ARIN
OrgAbuseName:   Bunnell, Scott 
OrgAbusePhone:  +1-847-466-4673 
OrgAbuseEmail:  scott.bunnell@nielseniq.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/BUNNE50-ARIN

OrgAbuseHandle: WHITE2731-ARIN
OrgAbuseName:   White, David 
OrgAbusePhone:  +1-727-421-0847 
OrgAbuseEmail:  david.white@nielseniq.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/WHITE2731-ARIN

OrgRoutingHandle: WHITE2731-ARIN
OrgRoutingName:   White, David 
OrgRoutingPhone:  +1-727-421-0847 
OrgRoutingEmail:  david.white@nielseniq.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/WHITE2731-ARIN

OrgDNSHandle: WHITE2731-ARIN
OrgDNSName:   White, David 
OrgDNSPhone:  +1-727-421-0847 
OrgDNSEmail:  david.white@nielseniq.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/WHITE2731-ARIN