ASN AS16477 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS16477?

AS16477 is listed under Nielsen Consumer LLC.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS16477 Nielsen Consumer LLC | IPGeolocation.io

ASN Lookup Tool

Nielsen Consumer LLC nielseniq.com

US 22 Routes

AS Data

AS16477

AS16477 – Nielsen Consumer LLC

AS Number	16477
AS Name	NCL-203-16477
Organization	Nielsen Consumer LLC(ncl-203)
Country	US
Website	nielseniq.com
Number of IPv4 Routes	22
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2023-05-03

ASN Intelligence API for production workflows

Use ASN data for AS16477 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
138.108.80.0/24	AS16477	Nielsen Consumer LLC	Nielsen Consumer LLC	256
138.108.96.0/21	AS16477	Nielsen Consumer LLC	Nielsen Consumer LLC	2048
138.108.137.0/24	AS16477	Nielsen Consumer LLC	Nielsen Consumer LLC	256
138.108.115.0/24	AS16477	Nielsen Consumer LLC	Nielsen Consumer LLC	256
138.108.154.0/24	AS16477	Nielsen Consumer LLC	Nielsen Consumer LLC	256
138.108.82.0/24	AS16477	Nielsen Consumer LLC	Nielsen Consumer LLC	256
138.108.162.0/24	AS16477	Nielsen Consumer LLC	Nielsen Consumer LLC	256
138.108.104.0/23	AS16477	Nielsen Consumer LLC	Nielsen Consumer LLC	512
138.108.141.0/24	AS16477	Nielsen Consumer LLC	Nielsen Consumer LLC	256
138.108.33.0/24	AS16477	Nielsen Consumer LLC	Nielsen Consumer LLC	256

Raw Whois Response

#
# 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 1997-2026, American Registry for Internet Numbers, Ltd.
#


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:        2024-08-05
Ref:            https://rdap.arin.net/registry/entity/NCL-203


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

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

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

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

OrgTechHandle: FARAG13-ARIN
OrgTechName:   Farag, John 
OrgTechPhone:  +1-727-916-7610 
OrgTechEmail:  john.farag@nielseniq.com
OrgTechRef:    https://rdap.arin.net/registry/entity/FARAG13-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

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


#
# 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 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number	Description	Country
AS2856	British Telecommunications PLC	GB
AS4788	TM TECHNOLOGY SERVICES SDN. BHD.	MY
AS9930	TIME dotCom Berhad No. 14, Jalan Majistret U1/26 Hicom Glenmarie Industrial Park 40150 Shah Alam Selangor, Malaysia	MY
AS9304	HGC Global Communications Limited	HK
AS46887	Crown Castle Fiber LLC	US
AS7018	AT&T Enterprises, LLC	US
AS8220	COLT Technology Services Group Limited	GB
AS6660	VODAFONE ENTERPRISE EQUIPMENT LIMITED	GB
AS3549	Level 3 Communications, Inc. (GBLX)	US
AS9255	Singapore Telecom	SG

Upstreams

AS Number	Description	Country
AS2856	British Telecommunications PLC	GB
AS9304	HGC Global Communications Limited	HK
AS46887	Crown Castle Fiber LLC	US
AS7018	AT&T Enterprises, LLC	US
AS8220	COLT Technology Services Group Limited	GB
AS6660	VODAFONE ENTERPRISE EQUIPMENT LIMITED	GB
AS27717	Corporacion Digitel C.A.	VE
AS9924	Taiwan Fixed Network, Telco and Network Service Provider.	TW
AS9255	Singapore Telecom, ConnectPlus	SG
AS55836	Reliance Jio Infocomm Limited	IN