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Autonomous System

AS21479

Rostelecom

Announced IPs
34,560
CIDR prefixes
13
ASN
AS21479

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 v1.3.0 — 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 industry
Employees
1,286

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
80.254.96.0/19 8.2K
100.0%
Rostelecom RU — —
83.221.192.0/19 8.2K
99.9%
Rostelecom RU Rostov Oblast Rostov-on-Don
87.117.0.0/19 8.2K
100.0%
Rostelecom RU Rostov Oblast Kamensk-Shakhtinsky
80.68.0.0/21 2.0K
100.0%
Rostelecom RU — —
87.117.40.0/21 2.0K
100.0%
Rostelecom RU — —
80.68.8.0/22 1.0K
100.0%
Rostelecom RU — —
87.117.36.0/22 1.0K
100.0%
Rostelecom RU — —
93.178.96.0/22 1.0K
100.0%
Rostelecom RU — —
93.178.104.0/22 1.0K
99.7%
Rostelecom RU — —
80.68.12.0/23 512
99.8%
Rostelecom RU — —
93.178.126.0/23 512
99.8%
Rostelecom RU — —
109.172.64.0/23 512
1.2%
Rostelecom RU — —
109.172.66.0/24 256
0.0%
Rostelecom RU — —

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS21479 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
80.68.12.0/24 33,824 2026-11-03 19:16:15
87.117.40.0/21 28,401 2026-11-03 19:16:15
93.178.104.0/22 28,388 2026-11-03 19:16:15
80.68.13.0/24 20,320 2026-11-03 19:16:15
80.68.8.0/22 20,103 2026-11-03 19:16:15
80.68.0.0/21 19,997 2026-11-03 19:16:15
93.178.96.0/22 19,762 2026-11-03 19:16:15
93.178.126.0/23 19,754 2026-11-03 19:16:15
80.254.96.0/19 19,114 2026-11-03 19:16:15
87.117.36.0/22 19,055 2026-11-03 19:16:15
83.221.192.0/19 18,918 2026-11-03 19:16:15
87.117.0.0/19 18,831 2026-11-03 19:16:15
109.172.64.0/24 18,460 2026-11-03 19:16:15
109.172.65.0/24 18,381 2026-11-03 19:16:15
109.172.66.0/24 18,334 2026-11-03 19:16:15

Frequently Asked Questions

What is AS21479?

AS21479 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 AS21479 announce?

AS21479 announces 34.6K IPv4 addresses distributed across 13 routed CIDR prefixes. The network is registered in Russia.

Who operates AS21479?

AS21479 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 AS21479 registered in?

AS21479 is registered in Russia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-11-03 19:24:06 UTC
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