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AS57044 JSC ER-Telecom Holding

ASN Ended medium
Why this campaign was detected
5 IPs from the same network (JSC ER-Telecom Holding, AS57044) were active during overlapping time periods. Temporal correlation across a shared autonomous system suggests infrastructure controlled by the same entity.
Primary ASN
AS57044 · JSC ER-Telecom Holding
Subnet
—
Country
🇷🇺 RU
Cloud Provider
—
Member Count
5 IPs
Below average
Total Events
28273
Below average by volume
Started / Ended
2026-09-24 02:12 — ongoing
Attack Types
ssh:bruteforce ssh:connection ssh:intrusion telnet:connection
MITRE ATT&CK Techniques
Reconnaissance
Initial Access
Execution
Credential Access
Discovery
Member Actors
IP Address Behavior Confidence Flags Events Agents Attack Types Hostname Last Seen
109.194.2.248 reconnaissance 33% 28211 1 ssh:bruteforcessh:connectionssh:intrusion 109x194x2x248.static-business.bryansk.ertelecom.ru 2026-10-03 10:59 evidence →
109.194.1.223 scanner 25% 56 1 ssh:connection krolkovo.ru 2026-09-29 06:31 evidence →
37.112.42.72 scanner 11% 2 1 telnet:connection 37x112x42x72.dynamic.bryansk.ertelecom.ru 2026-09-29 00:53 evidence →
178.75.14.127 scanner 11% 2 1 telnet:connection 178x75x14x127.dynamic.bryansk.ertelecom.ru 2026-09-29 05:01 evidence →
5.165.87.110 scanner 11% 2 1 telnet:connection 5x165x87x110.dynamic.bryansk.ertelecom.ru 2026-10-03 06:54 evidence →
VPN Known VPN or proxy provider
DROP ASN on Spamhaus DROP list
Nx OSINT Corroborated by N external threat feeds