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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 v1.1.0 — 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
109.195.234.0/23 19,215 2026-07-19 18:30:24
37.112.224.0/22 18,359 2026-07-19 18:29:37
37.112.228.0/22 17,983 2026-07-19 18:29:37
5.3.232.0/22 17,902 2026-07-19 18:29:37
5.166.232.0/22 17,833 2026-07-19 18:29:37
5.165.252.0/22 17,819 2026-07-19 18:29:37
5.167.116.0/22 17,819 2026-07-19 18:29:37
5.165.176.0/22 17,814 2026-07-19 18:29:37
5.167.112.0/22 17,744 2026-07-19 18:29:37
46.147.216.0/22 17,293 2026-07-19 18:29:37
46.147.212.0/22 17,268 2026-07-19 18:29:37
46.147.208.0/22 17,262 2026-07-19 18:29:37
46.147.100.0/22 17,228 2026-07-19 18:29:37
46.147.116.0/22 16,967 2026-07-19 18:29:37
109.195.238.0/24 16,946 2026-07-19 18:30:24
79.136.176.0/22 16,698 2026-07-19 18:30:24
79.136.180.0/22 16,665 2026-07-19 18:30:24
176.214.176.0/22 15,536 2026-07-19 18:30:24
176.212.40.0/22 15,517 2026-07-19 18:30:24
176.212.32.0/22 15,490 2026-07-19 18:30:24
176.212.36.0/22 15,481 2026-07-19 18:30:24
176.212.44.0/22 15,468 2026-07-19 18:30:24
176.213.32.0/22 15,457 2026-07-19 18:30:24
46.147.222.0/24 15,394 2026-07-19 18:30:11
46.147.220.0/22 15,234 2026-07-19 18:29:37
46.147.240.0/22 15,144 2026-07-19 18:29:37
46.147.98.0/24 15,135 2026-07-19 18:30:11
109.195.237.0/24 12,858 2026-07-19 18:30:24
5.3.236.0/22 6,350 2026-07-19 18:29:37
5.3.232.0/21 6,290 2026-07-19 18:29:37
5.165.240.0/22 6,261 2026-07-19 18:29:37
5.165.180.0/22 6,255 2026-07-19 18:29:37
5.165.244.0/22 6,244 2026-07-19 18:29:37
5.165.248.0/22 6,224 2026-07-19 18:29:37
5.166.236.0/22 6,216 2026-07-19 18:29:37
5.167.48.0/21 6,213 2026-07-19 18:29:37
5.165.176.0/21 6,213 2026-07-19 18:29:37
5.165.240.0/20 6,212 2026-07-19 18:29:37
5.167.124.0/22 6,199 2026-07-19 18:29:37
5.167.120.0/22 6,192 2026-07-19 18:29:37
5.167.112.0/20 6,144 2026-07-19 18:29:37
5.166.232.0/21 6,118 2026-07-19 18:29:37
37.112.32.0/21 5,613 2026-07-19 18:29:37
37.112.236.0/22 5,612 2026-07-19 18:29:37
37.112.32.0/23 5,604 2026-07-19 18:29:37
37.112.38.0/23 5,598 2026-07-19 18:29:37
37.112.36.0/23 5,598 2026-07-19 18:29:37
37.112.232.0/22 5,596 2026-07-19 18:29:37
37.112.34.0/23 5,593 2026-07-19 18:29:37
37.112.224.0/20 5,585 2026-07-19 18:29:37

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: 2026-07-19 19:25:32 UTC
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