Skip to main content
Autonomous System

AS206661

JSC ER-Telecom Holding

Announced IPs
1,280
CIDR prefixes
4
ASN
AS206661

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.

70/100
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
5.3.92.0/23 512
98.4%
JSC ER-Telecom Holding RU
79.137.149.0/24 256
0.4%
JSC ER-Telecom Holding RU
185.187.113.0/24 256
100.0%
JSC ER-Telecom Holding RU
185.187.114.0/24 256
100.0%
JSC ER-Telecom Holding RU

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS206661 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
5.3.93.0/24 23,661 2026-08-05 06:49:35
5.3.92.0/24 23,639 2026-08-05 06:49:35
79.137.149.0/24 20,403 2026-08-05 06:49:35
185.187.113.0/24 19,750 2026-08-05 06:49:35
185.187.114.0/24 19,714 2026-08-05 06:49:35

Frequently Asked Questions

What is AS206661?

AS206661 is an Autonomous System Number assigned to JSC ER-Telecom Holding. 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 AS206661 announce?

AS206661 announces 1.3K IPv4 addresses distributed across 4 routed CIDR prefixes. The network is registered in Russia.

Who operates AS206661?

AS206661 is operated by JSC ER-Telecom Holding. The organization is based in Russia. You can view all IP ranges and related ASNs on the organization page.

What country is AS206661 registered in?

AS206661 is registered in Russia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-08-05 07:10:33 UTC
Share