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Autonomous System

AS57378

JSC ER-Telecom Holding

Announced IPs
64,512
CIDR prefixes
24
ASN
AS57378

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

AS57378 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
46.147.96.0/19 8.2K
94.5%
JSC ER-Telecom Holding RU Rostov Oblast Rostov-on-Don
5.165.240.0/20 4.1K
99.9%
JSC ER-Telecom Holding RU Rostov Oblast Rostov-on-Don
5.167.112.0/20 4.1K
98.3%
JSC ER-Telecom Holding RU Rostov Oblast Rostov-on-Don
37.112.224.0/20 4.1K
99.6%
JSC ER-Telecom Holding RU Rostov Oblast Rostov-on-Don
46.147.208.0/20 4.1K
95.3%
JSC ER-Telecom Holding RU Rostov Oblast Rostov-on-Don
79.136.176.0/20 4.1K
99.9%
JSC ER-Telecom Holding RU Rostov Oblast Rostov-on-Don
109.195.224.0/20 4.1K
99.9%
JSC ER-Telecom Holding RU Rostov Oblast Rostov-on-Don
176.212.32.0/20 4.1K
93.2%
JSC ER-Telecom Holding RU Rostov Oblast Rostov-on-Don
5.3.232.0/21 2.0K
98.5%
JSC ER-Telecom Holding RU Rostov Oblast Rostov-on-Don
5.165.176.0/21 2.0K
99.9%
JSC ER-Telecom Holding RU Rostov Oblast Rostov-on-Don
5.166.232.0/21 2.0K
98.9%
JSC ER-Telecom Holding RU Rostov Oblast Rostov-on-Don
5.167.48.0/21 2.0K
97.6%
JSC ER-Telecom Holding RU Rostov Oblast Rostov-on-Don
37.112.32.0/21 2.0K
0.0%
JSC ER-Telecom Holding RU Rostov Oblast Rostov-on-Don
46.147.240.0/21 2.0K
95.3%
JSC ER-Telecom Holding RU Rostov Oblast Rostov-on-Don
92.243.112.0/21 2.0K
93.1%
JSC ER-Telecom Holding RU Rostov Oblast Rostov-on-Don
94.180.56.0/21 2.0K
99.8%
JSC ER-Telecom Holding RU Rostov Oblast Krasnyy Sulin
176.212.56.0/21 2.0K
93.4%
JSC ER-Telecom Holding RU
176.213.32.0/21 2.0K
93.3%
JSC ER-Telecom Holding RU
176.213.136.0/21 2.0K
92.9%
JSC ER-Telecom Holding RU
176.214.176.0/21 2.0K
93.8%
JSC ER-Telecom Holding RU
188.187.208.0/21 2.0K
100.0%
JSC ER-Telecom Holding RU
94.181.60.0/23 512
92.0%
JSC ER-Telecom Holding RU
94.181.62.0/24 256
95.3%
JSC ER-Telecom Holding RU
188.187.219.0/24 256
100.0%
JSC ER-Telecom Holding RU

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS57378 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
5.3.232.0/22 46,733 2026-09-11 21:22:34
5.165.176.0/22 46,141 2026-09-11 21:22:34
5.167.116.0/22 46,013 2026-09-11 21:22:34
5.166.232.0/22 46,001 2026-09-11 21:22:34
5.165.252.0/22 45,980 2026-09-11 21:22:34
5.167.112.0/22 45,907 2026-09-11 21:22:34
109.195.234.0/23 43,804 2026-09-11 21:22:18
37.112.224.0/22 43,801 2026-09-11 21:23:17
37.112.228.0/22 43,450 2026-09-11 21:23:17
46.147.216.0/22 42,332 2026-09-11 21:23:50
46.147.100.0/22 42,305 2026-09-11 21:23:50
46.147.212.0/22 42,290 2026-09-11 21:23:50
46.147.208.0/22 42,287 2026-09-11 21:23:50
46.147.116.0/22 41,991 2026-09-11 21:23:50
109.195.238.0/24 41,507 2026-09-11 21:22:18
46.147.220.0/22 40,272 2026-09-11 21:23:50
46.147.240.0/22 40,166 2026-09-11 21:23:50
176.214.176.0/22 39,650 2026-09-11 21:22:18
176.212.32.0/22 39,644 2026-09-11 21:22:18
176.212.40.0/22 39,596 2026-09-11 21:22:18
176.212.36.0/22 39,592 2026-09-11 21:22:18
176.212.44.0/22 39,563 2026-09-11 21:22:18
176.213.32.0/22 39,530 2026-09-11 21:22:18
79.136.176.0/22 39,182 2026-09-11 21:22:18
79.136.180.0/22 39,165 2026-09-11 21:22:18
46.147.222.0/24 38,224 2026-09-11 21:23:51
46.147.98.0/24 37,965 2026-09-11 21:23:51
109.195.237.0/24 37,445 2026-09-11 21:22:18
5.3.236.0/22 35,176 2026-09-11 21:22:34
5.3.232.0/21 35,150 2026-09-11 21:22:34
5.165.176.0/21 34,508 2026-09-11 21:22:34
5.165.240.0/22 34,492 2026-09-11 21:22:34
5.165.240.0/20 34,487 2026-09-11 21:22:34
5.165.244.0/22 34,468 2026-09-11 21:22:34
5.165.180.0/22 34,466 2026-09-11 21:22:34
5.167.48.0/21 34,438 2026-09-11 21:22:34
5.165.248.0/22 34,423 2026-09-11 21:22:34
5.166.236.0/22 34,416 2026-09-11 21:22:34
5.167.120.0/22 34,386 2026-09-11 21:22:34
5.167.124.0/22 34,377 2026-09-11 21:22:34
5.167.112.0/20 34,339 2026-09-11 21:22:34
5.166.232.0/21 34,333 2026-09-11 21:22:34
37.112.32.0/21 31,140 2026-09-11 21:23:17
37.112.236.0/22 31,133 2026-09-11 21:23:17
37.112.34.0/23 31,113 2026-09-11 21:23:17
37.112.32.0/23 31,082 2026-09-11 21:23:17
37.112.224.0/20 31,076 2026-09-11 21:23:17
37.112.38.0/23 31,072 2026-09-11 21:23:17
37.112.36.0/23 31,064 2026-09-11 21:23:17
37.112.232.0/22 31,062 2026-09-11 21:23:17

Showing top 50 of 86 announced prefixes by sample volume.

Frequently Asked Questions

What is AS57378?

AS57378 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 AS57378 announce?

AS57378 announces 64.5K IPv4 addresses distributed across 24 routed CIDR prefixes. The network is registered in Russia.

Who operates AS57378?

AS57378 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 AS57378 registered in?

AS57378 is registered in Russia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-09-11 21:26:09 UTC
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