Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS16477

Announcement observedARIN

Nielsen Consumer LLC · NCL-203-16477

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active9/30/2026, 17:23:18Snapshot expired

View network topology RDAP registration

ASN: AS16477
Registration country: United States
Name: Nielsen Consumer LLC
Abbreviation: NCL-203-16477
Registration date: 5/3/2023, 18:23:06
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
138.108.104.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/19/2026, 00:00:00	✓	×	Currently valid
138.108.106.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/19/2026, 00:00:00	✓	×	Currently valid
138.108.115.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/19/2026, 00:00:00	✓	×	Currently valid
138.108.136.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/19/2026, 00:00:00	✓	×	Currently valid
138.108.137.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/19/2026, 00:00:00	✓	×	Currently valid
138.108.138.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/19/2026, 00:00:00	✓	×	Currently valid
138.108.140.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/19/2026, 00:00:00	✓	×	Currently valid
138.108.144.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/19/2026, 00:00:00	✓	×	Currently valid
138.108.150.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/19/2026, 00:00:00	✓	×	Currently valid
138.108.152.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/19/2026, 00:00:00	✓	×	Currently valid
138.108.154.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/19/2026, 00:00:00	✓	×	Currently valid
138.108.155.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/19/2026, 00:00:00	✓	×	Currently valid
138.108.157.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/19/2026, 00:00:00	✓	×	Currently valid
138.108.162.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/19/2026, 00:00:00	✓	×	Currently valid
138.108.3.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/19/2026, 00:00:00	✓	×	Currently valid
138.108.32.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/19/2026, 00:00:00	✓	×	Currently valid
138.108.36.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/19/2026, 00:00:00	✓	×	Currently valid
138.108.80.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/19/2026, 00:00:00	✓	×	Currently valid
138.108.81.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/19/2026, 00:00:00	✓	×	Currently valid
138.108.82.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/19/2026, 00:00:00	✓	×	Currently valid
138.108.96.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/19/2026, 00:00:00	✓	×	Currently valid

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: Nielsen Consumer LLC
RIR: ARIN
Registration country: United States
Registration date: 5/3/2023, 18:23:06
Abuse contact: scott.bunnell@nielseniq.com

Snapshot trend

9/30/2026, 17:23:1821 v40 v616 Upstream · 0 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · iana-rdap-asn-bootstrap · rir-rdap-asn