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Subnet 171.243.148.0/24

SUBNET Ended high
Why this campaign was detected
3 IPs from the same /24 subnet (171.243.148.0/24) were observed attacking our sensors within the same time window. All belong to Viettel Group (AS7552). Concentrated activity from adjacent IPs is a strong indicator of a single operator or coordinated botnet.
Primary ASN
AS7552 · Viettel Group
Subnet
171.243.148.0/24
Country
🇻🇳 VN
Cloud Provider
Member Count
3 IPs
Below average
Total Events
112
Below average by volume
Started / Ended
2026-05-26 18:15 — 2026-07-08 13:33
Attack Types
ssh:bruteforce
MITRE ATT&CK Techniques
Reconnaissance
Credential Access
Discovery
Command and Control
Member Actors
IP Address Behavior Confidence Flags Events Agents Attack Types Hostname Last Seen
171.243.148.101 credential_harvester 34% 56 1 ssh:bruteforce 2026-05-29 17:09 evidence →
171.243.148.154 credential_harvester 34% 48 1 ssh:bruteforce 2026-05-26 19:09 evidence →
171.243.148.70 proxy_abuser 31% 8 1 ssh:bruteforce 2026-06-01 13:32 evidence →
VPN Known VPN or proxy provider
DROP ASN on Spamhaus DROP list
Nx OSINT Corroborated by N external threat feeds