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Autonomous System

AS41733

JSC ER-Telecom Holding

Announced IPs
301,824
CIDR prefixes
56
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 v1.2.0 — 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

AS41733 — global IP footprint

Cities where AS41733 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.

View on 3D globe →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
5.17.0.0/16 65.5K
0.0%
JSC ER-Telecom Holding RU St.-Petersburg St Petersburg
5.18.0.0/16 65.5K
0.0%
JSC ER-Telecom Holding RU St.-Petersburg St Petersburg
5.19.128.0/17 32.8K
0.0%
JSC ER-Telecom Holding RU St.-Petersburg St Petersburg
5.16.192.0/18 16.4K
0.0%
JSC ER-Telecom Holding RU
5.18.0.0/18 16.4K
0.0%
JSC ER-Telecom Holding RU St.-Petersburg St Petersburg
84.52.64.0/18 16.4K
89.5%
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
98.4%
JSC ER-Telecom Holding RU St.-Petersburg St Petersburg
5.18.64.0/19 8.2K
0.0%
JSC ER-Telecom Holding RU St.-Petersburg St Petersburg
5.18.128.0/19 8.2K
0.0%
JSC ER-Telecom Holding RU St.-Petersburg St Petersburg
5.18.224.0/19 8.2K
0.0%
JSC ER-Telecom Holding RU St.-Petersburg St Petersburg
5.19.64.0/19 8.2K
0.0%
JSC ER-Telecom Holding RU
109.167.192.0/19 8.2K
99.7%
JSC ER-Telecom Holding RU
188.134.0.0/19 8.2K
99.7%
JSC ER-Telecom Holding RU St.-Petersburg St Petersburg
212.75.224.0/19 8.2K
96.1%
JSC ER-Telecom Holding RU Leningrad Oblast Sosnovyy Bor
5.16.144.0/20 4.1K
0.0%
JSC ER-Telecom Holding RU
5.18.112.0/20 4.1K
0.0%
JSC ER-Telecom Holding RU St.-Petersburg St Petersburg
5.18.176.0/20 4.1K
0.0%
JSC ER-Telecom Holding RU St.-Petersburg St Petersburg
5.18.208.0/20 4.1K
0.0%
JSC ER-Telecom Holding RU St.-Petersburg St Petersburg
5.19.0.0/20 4.1K
0.0%
JSC ER-Telecom Holding RU St.-Petersburg St Petersburg
77.244.16.0/20 4.1K
91.8%
JSC ER-Telecom Holding RU St.-Petersburg St Petersburg
80.246.240.0/20 4.1K
95.8%
JSC ER-Telecom Holding RU
109.167.224.0/20 4.1K
99.6%
JSC ER-Telecom Holding RU
5.16.152.0/21 2.0K
0.0%
JSC ER-Telecom Holding RU
5.18.96.0/21 2.0K
0.0%
JSC ER-Telecom Holding RU
5.18.160.0/21 2.0K
0.0%
JSC ER-Telecom Holding RU
5.18.200.0/21 2.0K
0.0%
JSC ER-Telecom Holding RU St.-Petersburg St Petersburg
37.112.248.0/21 2.0K
99.4%
JSC ER-Telecom Holding RU
83.136.240.0/21 2.0K
98.8%
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
99.9%
JSC ER-Telecom Holding RU
176.221.8.0/21 2.0K
99.3%
JSC ER-Telecom Holding RU
5.16.148.0/22 1.0K
0.0%
JSC ER-Telecom Holding RU
5.18.104.0/22 1.0K
0.0%
JSC ER-Telecom Holding RU
5.18.168.0/22 1.0K
0.0%
JSC ER-Telecom Holding RU
5.18.196.0/22 1.0K
0.0%
JSC ER-Telecom Holding RU St.-Petersburg St Petersburg
62.182.92.0/22 1.0K
0.0%
JSC ER-Telecom Holding RU
91.202.220.0/22 1.0K
91.8%
JSC ER-Telecom Holding RU
91.203.168.0/22 1.0K
92.4%
JSC ER-Telecom Holding RU Leningrad Oblast Sosnovyy Bor
185.7.200.0/22 1.0K
99.6%
JSC ER-Telecom Holding RU
185.42.80.0/22 1.0K
92.7%
JSC ER-Telecom Holding RU
185.202.212.0/22 1.0K
100.0%
JSC ER-Telecom Holding RU
195.177.120.0/22 1.0K
75.8%
JSC ER-Telecom Holding RU St.-Petersburg St Petersburg
5.16.146.0/23 512
0.0%
JSC ER-Telecom Holding RU
5.18.110.0/23 512
0.0%
JSC ER-Telecom Holding RU
5.18.174.0/23 512
0.0%
JSC ER-Telecom Holding RU
5.18.194.0/23 512
0.0%
JSC ER-Telecom Holding RU
62.182.90.0/23 512
0.0%
JSC ER-Telecom Holding RU
88.204.96.0/23 512
0.0%
JSC ER-Telecom Holding RU
109.167.248.0/23 512
99.6%
JSC ER-Telecom Holding RU
194.24.240.0/23 512
99.2%
JSC ER-Telecom Holding RU
194.246.112.0/23 512
94.7%
JSC ER-Telecom Holding RU
5.16.147.0/24 256
0.0%
JSC ER-Telecom Holding RU
5.18.193.0/24 256
0.0%
JSC ER-Telecom Holding RU
62.182.88.0/24 256
0.0%
JSC ER-Telecom Holding RU
109.167.250.0/24 256
99.6%
JSC ER-Telecom Holding RU
109.167.253.0/24 256
99.6%
JSC ER-Telecom Holding RU
109.167.255.0/24 256
99.6%
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 29,564 2026-09-01 07:36:53
80.246.240.0/20 29,464 2026-09-01 07:36:53
185.7.200.0/22 29,161 2026-09-01 07:37:27
176.221.8.0/21 29,157 2026-09-01 07:37:27
5.18.204.0/24 28,477 2026-09-01 07:49:55
5.18.0.0/16 28,466 2026-09-01 07:49:55
5.18.201.0/24 28,461 2026-09-01 07:49:55
5.17.0.0/16 28,459 2026-09-01 07:49:55
5.16.144.0/20 28,453 2026-09-01 07:49:55
5.18.202.0/24 28,439 2026-09-01 07:49:55
5.19.0.0/20 28,433 2026-09-01 07:49:55
5.19.1.0/24 28,421 2026-09-01 07:49:55
5.16.192.0/18 28,413 2026-09-01 07:49:55
5.18.4.0/24 28,406 2026-09-01 07:49:55
5.18.36.0/22 28,400 2026-09-01 07:49:55
5.18.200.0/24 28,400 2026-09-01 07:49:55
5.19.9.0/24 28,398 2026-09-01 07:49:55
5.19.128.0/17 28,396 2026-09-01 07:49:55
5.19.7.0/24 28,387 2026-09-01 07:49:55
5.18.206.0/24 28,386 2026-09-01 07:49:55
5.18.207.0/24 28,386 2026-09-01 07:49:55
5.18.203.0/24 28,384 2026-09-01 07:49:55
5.18.208.0/20 28,384 2026-09-01 07:49:55
5.18.205.0/24 28,375 2026-09-01 07:49:55
5.18.80.0/22 28,369 2026-09-01 07:49:55
5.18.6.0/24 28,360 2026-09-01 07:49:55
5.19.64.0/19 28,327 2026-09-01 07:49:55
5.18.208.0/21 28,298 2026-09-01 07:49:55
5.19.0.0/24 28,294 2026-09-01 07:49:55
212.75.224.0/19 28,255 2026-09-01 07:37:27
5.18.216.0/21 28,222 2026-09-01 07:49:55
5.19.3.0/24 28,212 2026-09-01 07:49:55
5.18.236.0/22 28,162 2026-09-01 07:49:55
5.18.232.0/22 28,078 2026-09-01 07:49:55
37.112.248.0/21 27,352 2026-09-01 07:36:53
94.247.240.0/21 27,137 2026-09-01 07:36:53
62.182.88.0/21 27,094 2026-09-01 07:36:53
109.167.128.0/18 27,045 2026-09-01 07:36:53
91.202.220.0/22 26,908 2026-09-01 07:36:53
77.244.16.0/20 26,905 2026-09-01 07:36:53
109.167.192.0/18 26,839 2026-09-01 07:36:53
88.204.96.0/23 26,838 2026-09-01 07:36:53
91.203.168.0/22 26,819 2026-09-01 07:36:53
84.52.64.0/18 26,727 2026-09-01 07:36:53
185.42.80.0/22 26,091 2026-09-01 07:37:27
185.202.212.0/22 26,018 2026-09-01 07:37:27
188.134.64.0/18 25,818 2026-09-01 07:37:27
188.134.0.0/19 25,811 2026-09-01 07:37:27
194.246.112.0/23 25,510 2026-09-01 07:37:27
194.24.240.0/23 25,504 2026-09-01 07:37:27

Showing top 50 of 128 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 56 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: 2026-09-01 07:54:06 UTC
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