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Autonomous System

AS51645

JSC ER-Telecom Holding

Announced IPs
73,216
CIDR prefixes
23
ASN
AS51645

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 →

Web3 footprint

AS51645 hosts 1 observed decentralized-network node across 1 network. It’s a neutral signal — it does not affect the reputation score. See the full web3 node map.

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
5.167.0.0/19 8.2K
98.2%
JSC ER-Telecom Holding RU Irkutsk Oblast Angarsk
176.117.224.0/19 8.2K
35.7%
JSC ER-Telecom Holding RU Irkutsk Oblast Irkutsk
176.215.224.0/19 8.2K
93.9%
JSC ER-Telecom Holding RU Irkutsk Oblast Irkutsk
31.132.224.0/20 4.1K
0.0%
JSC ER-Telecom Holding RU Irkutsk Oblast Angarsk
81.163.96.0/20 4.1K
99.5%
JSC ER-Telecom Holding RU Irkutsk Oblast Irkutsk
84.244.32.0/20 4.1K
99.4%
JSC ER-Telecom Holding RU Irkutsk Oblast Irkutsk
91.242.176.0/20 4.1K
87.7%
JSC ER-Telecom Holding RU Irkutsk Oblast Irkutsk
94.158.0.0/20 4.1K
100.0%
JSC ER-Telecom Holding RU Irkutsk Oblast Irkutsk
109.194.16.0/20 4.1K
94.7%
JSC ER-Telecom Holding RU Irkutsk Oblast Baklashi
176.212.16.0/20 4.1K
93.6%
JSC ER-Telecom Holding RU Irkutsk Oblast Angarsk
37.113.232.0/21 2.0K
93.1%
JSC ER-Telecom Holding RU Irkutsk Oblast Irkutsk
62.68.152.0/21 2.0K
93.2%
JSC ER-Telecom Holding RU
79.136.208.0/21 2.0K
100.0%
JSC ER-Telecom Holding RU Irkutsk Oblast Shelekhov
84.244.8.0/21 2.0K
99.7%
JSC ER-Telecom Holding RU Irkutsk Oblast Irkutsk
84.244.16.0/21 2.0K
99.6%
JSC ER-Telecom Holding RU
93.94.176.0/21 2.0K
99.9%
JSC ER-Telecom Holding RU Irkutsk Oblast Irkutsk
109.163.216.0/21 2.0K
98.2%
JSC ER-Telecom Holding RU Irkutsk Oblast Irkutsk
176.213.216.0/21 2.0K
92.6%
JSC ER-Telecom Holding RU
185.23.8.0/22 1.0K
0.0%
JSC ER-Telecom Holding RU Irkutsk Oblast Irkutsk
185.37.56.0/22 1.0K
100.0%
JSC ER-Telecom Holding RU Irkutsk Oblast Angarsk
188.186.60.0/22 1.0K
99.3%
JSC ER-Telecom Holding RU
84.244.31.0/24 256
99.2%
JSC ER-Telecom Holding RU
188.187.225.0/24 256
100.0%
JSC ER-Telecom Holding RU

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS51645 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
109.163.221.0/24 41,275 2026-09-11 21:24:41
185.23.11.0/24 40,090 2026-09-11 21:24:41
185.23.10.0/24 40,055 2026-09-11 21:24:41
5.167.2.0/23 39,516 2026-09-11 21:24:34
31.132.232.0/22 37,212 2026-09-11 21:24:34
31.132.228.0/22 36,799 2026-09-11 21:24:34
31.132.236.0/23 36,786 2026-09-11 21:24:34
31.132.238.0/23 36,626 2026-09-11 21:24:34
109.163.219.0/24 36,425 2026-09-11 21:24:41
109.163.218.0/24 36,417 2026-09-11 21:24:41
109.163.217.0/24 36,217 2026-09-11 21:24:41
109.163.216.0/24 36,123 2026-09-11 21:24:41
109.163.220.0/24 36,058 2026-09-11 21:24:41
62.68.156.0/22 35,916 2026-09-11 21:24:34
62.68.152.0/22 35,846 2026-09-11 21:24:34
81.163.96.0/22 35,690 2026-09-11 21:24:34
79.136.212.0/22 35,631 2026-09-11 21:24:34
5.167.1.0/24 35,576 2026-09-11 21:24:34
37.113.232.0/22 35,271 2026-09-11 21:24:34
37.113.236.0/22 35,133 2026-09-11 21:24:34
185.23.8.0/24 34,279 2026-09-11 21:24:41
185.23.9.0/24 33,959 2026-09-11 21:24:41
31.132.226.0/23 32,745 2026-09-11 21:24:34
79.136.208.0/22 31,500 2026-09-11 21:24:34
91.242.184.0/22 31,469 2026-09-11 21:24:34
81.163.108.0/22 31,427 2026-09-11 21:24:34
81.163.104.0/22 31,407 2026-09-11 21:24:34
91.242.180.0/22 31,390 2026-09-11 21:24:34
91.242.176.0/22 31,327 2026-09-11 21:24:34
91.242.188.0/22 31,305 2026-09-11 21:24:34
109.194.28.0/24 31,176 2026-09-11 21:24:34
93.94.181.0/24 30,645 2026-09-11 21:24:41
185.37.58.0/24 29,918 2026-09-11 21:24:41
5.167.4.0/22 29,843 2026-09-11 21:24:34
185.37.59.0/24 29,776 2026-09-11 21:24:41
5.167.16.0/22 29,772 2026-09-11 21:24:34
5.167.24.0/22 29,718 2026-09-11 21:24:34
5.167.28.0/22 29,682 2026-09-11 21:24:34
185.37.56.0/24 29,650 2026-09-11 21:24:41
185.37.57.0/24 29,607 2026-09-11 21:24:41
84.244.20.0/22 28,931 2026-09-11 21:24:34
84.244.36.0/22 28,783 2026-09-11 21:24:34
84.244.40.0/22 28,752 2026-09-11 21:24:34
84.244.32.0/22 28,749 2026-09-11 21:24:34
84.244.44.0/22 25,935 2026-09-11 21:24:34
94.158.12.0/22 25,675 2026-09-11 21:24:34
94.158.8.0/22 25,666 2026-09-11 21:24:34
94.158.4.0/22 25,654 2026-09-11 21:24:34
94.158.0.0/22 25,643 2026-09-11 21:24:34
176.215.228.0/24 25,587 2026-09-11 21:24:41

Showing top 50 of 108 announced prefixes by sample volume.

Frequently Asked Questions

What is AS51645?

AS51645 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 AS51645 announce?

AS51645 announces 73.2K IPv4 addresses distributed across 23 routed CIDR prefixes. The network is registered in Russia.

Who operates AS51645?

AS51645 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 AS51645 registered in?

AS51645 is registered in Russia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-09-12 02:41:43 UTC
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