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Autonomous System

AS201665

Anonymizer, LLC

Announced IPs
8,960
CIDR prefixes
26
ASN
AS201665

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

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS201665 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
192.238.27.0/24 15,473 2026-07-31 16:21:08
192.238.22.0/24 15,405 2026-07-31 16:21:08
66.163.212.0/24 15,351 2026-07-31 16:21:08
192.238.19.0/24 15,348 2026-07-31 16:21:08
207.195.255.0/24 15,087 2026-07-31 16:21:08
207.158.9.0/24 14,734 2026-07-31 16:21:08
207.195.245.0/24 14,600 2026-07-31 16:21:08
188.210.93.0/24 3,153 2026-07-13 06:46:18
185.69.156.0/22 3,134 2026-07-13 06:46:18
185.142.7.0/24 3,131 2026-07-13 06:46:18
185.47.100.0/22 3,127 2026-07-13 06:46:18
188.241.193.0/24 3,122 2026-07-13 06:46:18
89.39.147.0/24 3,118 2026-07-13 06:46:18
188.213.243.0/24 3,106 2026-07-13 06:46:18
185.142.5.0/24 3,102 2026-07-13 06:46:18
185.142.6.0/24 3,097 2026-07-13 06:46:18
86.106.23.0/24 3,064 2026-07-13 06:46:18
46.102.239.0/24 3,057 2026-07-13 06:46:18
185.142.4.0/24 3,030 2026-07-13 06:46:18
209.59.34.0/24 2,448 2026-07-13 06:46:18
209.59.50.0/24 2,444 2026-07-13 06:46:18
66.163.219.0/24 2,407 2026-07-13 06:46:18
66.163.216.0/24 2,407 2026-07-13 06:46:18
66.163.208.0/24 2,394 2026-07-13 06:46:18
66.163.222.0/24 2,382 2026-07-13 06:46:18
192.238.24.0/24 2,378 2026-07-13 06:46:18
209.59.33.0/24 2,377 2026-07-13 06:46:18
198.35.24.0/24 2,361 2026-07-13 06:46:18
209.59.59.0/24 2,348 2026-07-13 06:46:18

Frequently Asked Questions

What is AS201665?

AS201665 is an Autonomous System Number assigned to Anonymizer, 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 AS201665 announce?

AS201665 announces 9.0K IPv4 addresses distributed across 26 routed CIDR prefixes. The network is registered in The Netherlands.

Who operates AS201665?

AS201665 is operated by Anonymizer, LLC. The organization is based in The Netherlands. You can view all IP ranges and related ASNs on the organization page.

What country is AS201665 registered in?

AS201665 is registered in The Netherlands. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-31 16:55:31 UTC
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