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Autonomous System

AS34205

Rostelecom

Announced IPs
11,520
CIDR prefixes
17
ASN
AS34205

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
  • Baseline (neutral) 65
  • Isp allocation +5
  • Trust score 70 / 100

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

About Rostelecom

Rostelecom is Russia's largest provider of digital services for a wide variety of consumers, households, private businesses, government and municipal authorities, and other telecom providers. Rostelecom interconnects all local public operators' networks into a single national network for long-distance service.

Founded
1993
Headquarters
Moscow
Industry
telecommunications
Employees
1,286

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
81.89.112.0/21 2.0K
2.2%
Rostelecom RU Magadan Oblast Magadan
109.236.224.0/21 2.0K
0.0%
Rostelecom RU
81.89.120.0/22 1.0K
0.2%
Rostelecom RU
212.14.192.0/22 1.0K
24.5%
Rostelecom RU
212.14.200.0/22 1.0K
2.0%
Rostelecom RU Magadan Oblast Magadan
109.236.232.0/23 512
0.0%
Rostelecom RU
109.236.238.0/23 512
0.0%
Rostelecom RU
212.14.196.0/23 512
2.0%
Rostelecom RU
212.14.216.0/23 512
0.2%
Rostelecom RU
212.14.220.0/23 512
20.9%
Rostelecom RU
81.89.124.0/24 256
0.0%
Rostelecom RU
81.89.126.0/24 256
0.4%
Rostelecom RU
109.236.234.0/24 256
0.0%
Rostelecom RU
212.14.199.0/24 256
6.3%
Rostelecom RU
212.14.204.0/24 256
2.3%
Rostelecom RU
212.14.219.0/24 256
2.3%
Rostelecom RU
212.14.223.0/24 256
0.0%
Rostelecom RU

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS34205 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
81.89.112.0/20 10,423 2026-07-24 13:31:44
109.236.224.0/20 10,376 2026-07-24 13:31:44
212.14.192.0/19 10,320 2026-07-24 13:31:44

Frequently Asked Questions

What is AS34205?

AS34205 is an Autonomous System Number assigned to Rostelecom. 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 AS34205 announce?

AS34205 announces 11.5K IPv4 addresses distributed across 17 routed CIDR prefixes. The network is registered in Russia.

Who operates AS34205?

AS34205 is operated by Rostelecom. The organization is based in Russia. You can view all IP ranges and related ASNs on the organization page.

What country is AS34205 registered in?

AS34205 is registered in Russia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-24 15:10:32 UTC
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