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Autonomous System

AS41733

JSC ER-Telecom Holding

Announced IPs
301,824
CIDR prefixes
53
ASN
AS41733

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 v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type Cable/DSL/ISP
Traffic level 100-200Gbps
Geographic scope Regional
Traffic ratio Balanced
Peering policy Open
IRR record AS-ZTELECOM

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
5.17.0.0/16 65.5K
99.8%
JSC ER-Telecom Holding RU St.-Petersburg St Petersburg
5.18.0.0/16 65.5K
99.3%
JSC ER-Telecom Holding RU St.-Petersburg St Petersburg
5.19.128.0/17 32.8K
99.0%
JSC ER-Telecom Holding RU St.-Petersburg St Petersburg
5.16.192.0/18 16.4K
99.8%
JSC ER-Telecom Holding RU — —
5.18.0.0/18 16.4K
98.2%
JSC ER-Telecom Holding RU St.-Petersburg St Petersburg
84.52.64.0/18 16.4K
89.6%
JSC ER-Telecom Holding RU St.-Petersburg St Petersburg
109.167.128.0/18 16.4K
94.2%
JSC ER-Telecom Holding RU St.-Petersburg St Petersburg
188.134.64.0/18 16.4K
98.6%
JSC ER-Telecom Holding RU St.-Petersburg St Petersburg
5.18.64.0/19 8.2K
99.7%
JSC ER-Telecom Holding RU St.-Petersburg St Petersburg
5.18.128.0/19 8.2K
99.8%
JSC ER-Telecom Holding RU St.-Petersburg St Petersburg
5.18.224.0/19 8.2K
99.7%
JSC ER-Telecom Holding RU St.-Petersburg St Petersburg
5.19.64.0/19 8.2K
99.0%
JSC ER-Telecom Holding RU — —
109.167.192.0/19 8.2K
100.0%
JSC ER-Telecom Holding RU — —
188.134.0.0/19 8.2K
99.8%
JSC ER-Telecom Holding RU — —
212.75.224.0/19 8.2K
99.4%
JSC ER-Telecom Holding RU Leningrad Oblast Sosnovyy Bor
5.16.144.0/20 4.1K
99.9%
JSC ER-Telecom Holding RU — —
5.18.112.0/20 4.1K
99.7%
JSC ER-Telecom Holding RU St.-Petersburg St Petersburg
5.18.176.0/20 4.1K
99.6%
JSC ER-Telecom Holding RU St.-Petersburg St Petersburg
5.18.208.0/20 4.1K
99.8%
JSC ER-Telecom Holding RU St.-Petersburg St Petersburg
5.19.0.0/20 4.1K
99.0%
JSC ER-Telecom Holding RU St.-Petersburg St Petersburg
77.244.16.0/20 4.1K
99.4%
JSC ER-Telecom Holding RU St.-Petersburg St Petersburg
80.246.240.0/20 4.1K
99.5%
JSC ER-Telecom Holding RU — —
109.167.224.0/20 4.1K
99.7%
JSC ER-Telecom Holding RU — —
5.16.152.0/21 2.0K
99.9%
JSC ER-Telecom Holding RU — —
5.18.96.0/21 2.0K
99.8%
JSC ER-Telecom Holding RU — —
5.18.160.0/21 2.0K
99.8%
JSC ER-Telecom Holding RU — —
5.18.200.0/21 2.0K
99.4%
JSC ER-Telecom Holding RU St.-Petersburg St Petersburg
37.112.248.0/21 2.0K
100.0%
JSC ER-Telecom Holding RU — —
62.182.88.0/21 2.0K
100.0%
JSC ER-Telecom Holding RU — —
83.136.240.0/21 2.0K
98.9%
JSC ER-Telecom Holding RU — —
94.247.240.0/21 2.0K
3.1%
JSC ER-Telecom Holding RU St.-Petersburg St Petersburg
109.167.240.0/21 2.0K
100.0%
JSC ER-Telecom Holding RU — —
176.221.8.0/21 2.0K
99.2%
JSC ER-Telecom Holding RU — —
5.16.148.0/22 1.0K
99.7%
JSC ER-Telecom Holding RU — —
5.18.104.0/22 1.0K
99.8%
JSC ER-Telecom Holding RU — —
5.18.168.0/22 1.0K
99.7%
JSC ER-Telecom Holding RU — —
5.18.196.0/22 1.0K
99.6%
JSC ER-Telecom Holding RU St.-Petersburg St Petersburg
91.202.220.0/22 1.0K
100.0%
JSC ER-Telecom Holding RU — —
91.203.168.0/22 1.0K
100.0%
JSC ER-Telecom Holding RU Leningrad Oblast Sosnovyy Bor
185.7.200.0/22 1.0K
99.4%
JSC ER-Telecom Holding RU — —
185.42.80.0/22 1.0K
99.6%
JSC ER-Telecom Holding RU — —
185.202.212.0/22 1.0K
99.9%
JSC ER-Telecom Holding RU — —
195.177.120.0/22 1.0K
76.5%
JSC ER-Telecom Holding RU St.-Petersburg St Petersburg
5.18.110.0/23 512
99.6%
JSC ER-Telecom Holding RU — —
5.18.174.0/23 512
99.4%
JSC ER-Telecom Holding RU — —
5.18.194.0/23 512
99.6%
JSC ER-Telecom Holding RU — —
88.204.96.0/23 512
0.0%
JSC ER-Telecom Holding RU — —
109.167.248.0/23 512
100.0%
JSC ER-Telecom Holding RU — —
194.24.240.0/23 512
99.4%
JSC ER-Telecom Holding RU — —
194.246.112.0/23 512
99.8%
JSC ER-Telecom Holding RU — —
5.16.147.0/24 256
100.0%
JSC ER-Telecom Holding RU — —
5.18.193.0/24 256
99.6%
JSC ER-Telecom Holding RU — —
109.167.250.0/24 256
100.0%
JSC ER-Telecom Holding RU — —
109.167.253.0/24 256
100.0%
JSC ER-Telecom Holding RU — —
109.167.255.0/24 256
100.0%
JSC ER-Telecom Holding RU — —

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS41733 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
83.136.240.0/21 45,866 2026-10-10 01:59:56
185.7.200.0/22 45,843 2026-10-10 02:03:02
80.246.240.0/20 45,827 2026-10-10 01:59:56
5.18.201.0/24 45,744 2026-10-10 02:03:07
5.18.204.0/24 45,742 2026-10-10 02:03:02
5.18.0.0/16 45,713 2026-10-10 02:03:04
5.16.144.0/20 45,701 2026-10-10 02:03:03
5.18.202.0/24 45,698 2026-10-10 02:03:08
5.17.0.0/16 45,694 2026-10-10 02:02:58
5.18.4.0/24 45,683 2026-10-10 02:03:04
5.19.0.0/20 45,678 2026-10-10 01:58:49
5.18.200.0/24 45,675 2026-10-10 02:03:07
5.19.1.0/24 45,670 2026-10-10 01:58:49
5.19.128.0/17 45,666 2026-10-10 02:03:00
5.18.203.0/24 45,657 2026-10-10 02:03:10
5.18.208.0/20 45,654 2026-10-10 02:03:08
5.19.9.0/24 45,653 2026-10-10 01:58:49
5.16.192.0/18 45,650 2026-10-10 01:58:49
5.18.205.0/24 45,648 2026-10-10 02:03:03
5.18.206.0/24 45,647 2026-10-10 02:03:04
5.18.36.0/22 45,642 2026-10-10 02:03:03
5.19.7.0/24 45,641 2026-10-10 02:03:10
5.18.80.0/22 45,639 2026-10-10 02:03:00
5.18.207.0/24 45,621 2026-10-10 02:03:06
5.18.6.0/24 45,621 2026-10-10 02:03:06
5.18.208.0/21 45,616 2026-10-10 02:03:07
176.221.8.0/21 45,587 2026-10-10 01:59:56
5.19.64.0/19 45,569 2026-10-10 01:58:49
5.19.0.0/24 45,535 2026-10-10 01:58:49
5.18.216.0/21 45,499 2026-10-10 02:02:57
5.19.3.0/24 45,476 2026-10-10 01:58:49
5.18.236.0/22 45,440 2026-10-10 02:03:04
5.18.232.0/22 45,325 2026-10-10 01:58:49
212.75.224.0/19 44,153 2026-10-10 02:03:04
94.247.240.0/21 43,899 2026-10-10 01:59:56
109.167.128.0/18 43,844 2026-10-10 02:03:07
109.167.192.0/18 43,700 2026-10-10 02:03:06
62.182.88.0/21 43,616 2026-10-10 01:59:56
77.244.16.0/20 43,548 2026-10-10 01:59:56
91.202.220.0/22 43,542 2026-10-10 02:03:00
84.52.64.0/18 43,375 2026-10-10 01:59:56
37.112.248.0/21 43,305 2026-10-10 01:59:31
185.202.212.0/22 42,873 2026-10-10 02:01:14
91.203.168.0/22 42,851 2026-10-10 02:00:10
188.134.64.0/18 42,844 2026-10-10 02:01:14
188.134.0.0/19 42,826 2026-10-10 02:01:14
88.204.96.0/23 42,806 2026-10-10 02:00:10
185.42.80.0/22 42,277 2026-10-10 02:00:10
194.24.240.0/23 42,250 2026-10-10 02:03:10
194.246.112.0/23 42,245 2026-10-10 02:03:01

Showing top 50 of 136 announced prefixes by sample volume.

Frequently Asked Questions

What is AS41733?

AS41733 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 AS41733 announce?

AS41733 announces 301.8K IPv4 addresses distributed across 53 routed CIDR prefixes. The network is registered in Russia.

Who operates AS41733?

AS41733 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 AS41733 registered in?

AS41733 is registered in Russia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-10-10 02:24:05 UTC
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