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Autonomous System

AS16477

Nielsen Consumer LLC

Announced IPs
8,704
CIDR prefixes
18
ASN
AS16477

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

65/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
138.108.96.0/21 2.0K
0.7%
Nielsen Consumer LLC US
138.108.104.0/22 1.0K
0.0%
Nielsen Consumer LLC US
138.108.140.0/22 1.0K
0.1%
Nielsen Consumer LLC US
138.108.32.0/23 512
0.4%
Nielsen Consumer LLC US
138.108.80.0/23 512
0.0%
Nielsen Consumer LLC US
138.108.96.0/23 512
0.0%
Nielsen Consumer LLC GB
138.108.100.0/23 512
0.0%
Nielsen Consumer LLC US
138.108.136.0/23 512
0.0%
Nielsen Consumer LLC US
138.108.140.0/23 512
0.0%
Nielsen Consumer LLC HK
138.108.142.0/23 512
0.0%
Nielsen Consumer LLC US
138.108.154.0/23 512
0.0%
Nielsen Consumer LLC US
138.108.3.0/24 256
0.0%
Nielsen Consumer LLC US
138.108.32.0/24 256
0.0%
Nielsen Consumer LLC US
138.108.36.0/24 256
0.0%
Nielsen Consumer LLC US
138.108.82.0/24 256
0.0%
Nielsen Consumer LLC US
138.108.98.0/24 256
0.0%
Nielsen Consumer LLC GB
138.108.99.0/24 256
0.0%
Nielsen Consumer LLC US
138.108.102.0/24 256
0.0%
Nielsen Consumer LLC GB
138.108.103.0/24 256
0.0%
Nielsen Consumer LLC US
138.108.104.0/24 256
0.0%
Nielsen Consumer LLC US
138.108.105.0/24 256
0.0%
Nielsen Consumer LLC GB
138.108.106.0/24 256
0.0%
Nielsen Consumer LLC US
138.108.107.0/24 256
0.0%
Nielsen Consumer LLC GB
138.108.115.0/24 256
0.0%
Nielsen Consumer LLC US
138.108.136.0/24 256
0.0%
Nielsen Consumer LLC MY
138.108.137.0/24 256
0.0%
Nielsen Consumer LLC SG
138.108.138.0/24 256
0.0%
Nielsen Consumer LLC US
138.108.144.0/24 256
0.0%
Nielsen Consumer LLC US
138.108.150.0/24 256
0.0%
Nielsen Consumer LLC US
138.108.152.0/24 256
0.0%
Nielsen Consumer LLC US
138.108.154.0/24 256
0.0%
Nielsen Consumer LLC IN
138.108.157.0/24 256
0.0%
Nielsen Consumer LLC US
138.108.162.0/24 256
0.0%
Nielsen Consumer LLC US
138.108.32.128/25 128
0.0%
Nielsen Consumer LLC US
138.108.138.0/25 128
0.0%
Nielsen Consumer LLC MY
138.108.138.128/25 128
0.0%
Nielsen Consumer LLC US
138.108.155.128/25 128
0.0%
Nielsen Consumer LLC IN
138.108.157.128/25 128
0.0%
Nielsen Consumer LLC IN
138.108.32.64/26 64
0.0%
Nielsen Consumer LLC US
138.108.155.64/26 64
0.0%
Nielsen Consumer LLC US
138.108.157.64/26 64
0.0%
Nielsen Consumer LLC US
138.108.32.0/27 32
0.0%
Nielsen Consumer LLC MX
138.108.32.32/27 32
0.0%
Nielsen Consumer LLC US
138.108.155.32/27 32
0.0%
Nielsen Consumer LLC US
138.108.157.32/27 32
0.0%
Nielsen Consumer LLC US
138.108.155.16/28 16
0.0%
Nielsen Consumer LLC US
138.108.157.16/28 16
0.0%
Nielsen Consumer LLC US
138.108.155.8/29 8
0.0%
Nielsen Consumer LLC IN
138.108.157.8/29 8
0.0%
Nielsen Consumer LLC IN
138.108.155.0/30 4
0.0%
Nielsen Consumer LLC IN
138.108.155.4/30 4
0.0%
Nielsen Consumer LLC US
138.108.157.0/30 4
0.0%
Nielsen Consumer LLC IN
138.108.157.4/30 4
0.0%
Nielsen Consumer LLC US

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS16477 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
138.108.32.0/24 121,264 2026-09-18 01:43:13
138.108.152.0/24 66,522 2026-09-18 01:13:34
138.108.36.0/24 46,608 2026-09-18 01:43:07
138.108.144.0/24 40,694 2026-09-18 01:23:24
138.108.137.0/24 36,652 2026-09-18 01:47:14
138.108.140.0/22 35,681 2026-09-18 01:13:34
138.108.136.0/24 27,930 2026-09-18 01:29:53
138.108.155.0/24 25,813 2026-09-18 01:42:32
138.108.154.0/24 24,507 2026-09-18 01:13:33
138.108.150.0/24 23,990 2026-09-18 01:17:29
138.108.162.0/24 19,950 2026-09-18 01:27:16
138.108.82.0/24 18,620 2026-09-18 01:47:16
138.108.81.0/24 18,572 2026-09-18 01:47:16
138.108.80.0/24 18,556 2026-09-18 01:47:16
138.108.138.0/24 18,037 2026-09-18 01:42:57
138.108.141.0/24 15,241 2026-07-18 03:32:54
138.108.143.0/24 15,231 2026-07-18 03:32:54
138.108.115.0/24 14,432 2026-09-18 01:43:05
138.108.3.0/24 9,936 2026-09-18 01:17:29
138.108.106.0/23 9,886 2026-09-18 01:17:29
138.108.96.0/21 9,844 2026-09-18 01:17:29
138.108.104.0/23 9,786 2026-09-18 01:17:29
138.108.157.0/24 9,639 2026-09-18 01:40:21
138.108.33.0/24 3,900 2026-05-29 23:29:17

Frequently Asked Questions

What is AS16477?

AS16477 is an Autonomous System Number assigned to Nielsen Consumer LLC. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS16477 announce?

AS16477 announces 8.7K IPv4 addresses distributed across 18 routed CIDR prefixes. The network is registered in United States.

Who operates AS16477?

AS16477 is operated by Nielsen Consumer LLC. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS16477 registered in?

AS16477 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-09-18 01:54:05 UTC
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