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Autonomous System

AS56420

JSC ER-Telecom Holding

Announced IPs
67,584
CIDR prefixes
24
ASN
AS56420

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 →

AS56420 — global IP footprint

Cities where AS56420 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
176.104.192.0/19 8.2K
100.0%
JSC ER-Telecom Holding RU Ryazan Oblast Ryazan
176.212.160.0/19 8.2K
93.1%
JSC ER-Telecom Holding RU Ryazan Oblast Ryazan
31.44.48.0/20 4.1K
100.0%
JSC ER-Telecom Holding RU Ryazan Oblast Ryazan
37.112.96.0/20 4.1K
99.5%
JSC ER-Telecom Holding RU Ryazan Oblast Ryazan
77.106.112.0/20 4.1K
99.6%
JSC ER-Telecom Holding RU Ryazan Oblast Ryazan
94.231.112.0/20 4.1K
99.9%
JSC ER-Telecom Holding RU Ryazan Oblast Ryazan
95.78.192.0/20 4.1K
100.0%
JSC ER-Telecom Holding RU Ryazan Oblast Ryazan
109.195.160.0/20 4.1K
99.3%
JSC ER-Telecom Holding RU Ryazan Oblast Mikhaylov
176.112.128.0/20 4.1K
0.0%
JSC ER-Telecom Holding RU Ryazan Oblast Ryazan
176.214.16.0/20 4.1K
94.3%
JSC ER-Telecom Holding RU
5.166.248.0/21 2.0K
98.7%
JSC ER-Telecom Holding RU
37.203.200.0/21 2.0K
98.3%
JSC ER-Telecom Holding RU Ryazan Oblast Ryazan
78.31.72.0/21 2.0K
97.5%
JSC ER-Telecom Holding RU Ryazan Oblast Ryazan
92.39.136.0/21 2.0K
96.9%
JSC ER-Telecom Holding RU
176.215.168.0/21 2.0K
94.4%
JSC ER-Telecom Holding RU
176.241.224.0/21 2.0K
95.7%
JSC ER-Telecom Holding RU
188.233.224.0/21 2.0K
99.4%
JSC ER-Telecom Holding RU
31.132.184.0/22 1.0K
99.5%
JSC ER-Telecom Holding RU
193.34.8.0/22 1.0K
100.0%
JSC ER-Telecom Holding RU
31.132.162.0/23 512
99.4%
JSC ER-Telecom Holding RU
84.22.192.0/23 512
7.4%
JSC ER-Telecom Holding RU
195.110.46.0/23 512
98.6%
JSC ER-Telecom Holding RU
5.3.23.0/24 256
95.7%
JSC ER-Telecom Holding RU
188.187.228.0/24 256
100.0%
JSC ER-Telecom Holding RU

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS56420 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
5.166.252.0/23 33,042 2026-09-07 16:31:22
5.3.23.0/24 32,960 2026-09-07 16:31:22
5.166.248.0/21 31,385 2026-09-07 16:31:22
31.44.60.0/23 29,752 2026-09-07 16:31:22
31.44.56.0/22 29,618 2026-09-07 16:31:22
31.44.52.0/23 29,349 2026-09-07 16:31:22
31.44.48.0/22 29,303 2026-09-07 16:31:22
37.112.100.0/22 29,124 2026-09-07 16:31:22
37.112.96.0/22 29,079 2026-09-07 16:31:22
37.112.108.0/22 28,991 2026-09-07 16:31:22
37.112.104.0/22 28,972 2026-09-07 16:31:22
37.203.200.0/22 28,801 2026-09-07 16:31:22
37.203.204.0/23 28,763 2026-09-07 16:31:22
95.78.192.0/22 28,460 2026-09-07 16:34:17
95.78.196.0/22 28,247 2026-09-07 16:34:17
95.78.204.0/22 28,193 2026-09-07 16:34:17
95.78.200.0/22 28,161 2026-09-07 16:34:17
31.44.48.0/20 28,047 2026-09-07 16:31:22
31.132.184.0/22 27,968 2026-09-07 16:31:22
31.132.162.0/23 27,941 2026-09-07 16:31:22
176.241.228.0/22 27,905 2026-09-07 16:31:03
176.212.172.0/23 27,807 2026-09-07 16:31:03
77.106.112.0/22 27,800 2026-09-07 16:34:17
176.212.188.0/23 27,784 2026-09-07 16:31:03
77.106.116.0/22 27,779 2026-09-07 16:34:17
176.241.224.0/22 27,767 2026-09-07 16:31:03
77.106.120.0/22 27,763 2026-09-07 16:34:17
77.106.124.0/22 27,752 2026-09-07 16:34:17
176.214.24.0/22 27,593 2026-09-07 16:31:03
176.215.172.0/22 27,559 2026-09-07 16:31:03
176.212.168.0/22 27,547 2026-09-07 16:31:03
37.203.200.0/21 27,509 2026-09-07 16:31:22
176.104.220.0/22 27,476 2026-09-07 16:31:03
176.104.216.0/22 27,465 2026-09-07 16:31:03
176.104.204.0/22 27,460 2026-09-07 16:31:03
176.104.196.0/22 27,454 2026-09-07 16:31:03
37.112.96.0/20 27,451 2026-09-07 16:31:22
176.104.208.0/22 27,437 2026-09-07 16:31:03
176.215.168.0/23 27,437 2026-09-07 16:31:03
176.104.212.0/22 27,431 2026-09-07 16:31:03
176.212.160.0/22 27,430 2026-09-07 16:31:03
176.214.16.0/22 27,430 2026-09-07 16:31:03
176.212.164.0/22 27,429 2026-09-07 16:31:03
176.104.192.0/22 27,420 2026-09-07 16:31:03
176.104.200.0/22 27,413 2026-09-07 16:31:03
176.212.180.0/22 27,410 2026-09-07 16:31:03
176.112.140.0/22 27,399 2026-09-07 16:31:03
176.212.176.0/22 27,394 2026-09-07 16:31:03
176.112.136.0/22 27,388 2026-09-07 16:31:03
176.112.132.0/23 27,386 2026-09-07 16:31:03

Showing top 50 of 73 announced prefixes by sample volume.

Frequently Asked Questions

What is AS56420?

AS56420 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 AS56420 announce?

AS56420 announces 67.6K IPv4 addresses distributed across 24 routed CIDR prefixes. The network is registered in Russia.

Who operates AS56420?

AS56420 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 AS56420 registered in?

AS56420 is registered in Russia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-09-07 16:54:05 UTC
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