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Subnet 171.243.148.0/24
SUBNET Ended highWhy 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
MITRE ATT&CK Techniques
Discovery
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