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Subnet 116.99.172.0/24
SUBNET Ended highWhy this campaign was detected
3 IPs from the same /24 subnet (116.99.172.0/24) were observed attacking our sensors within the same time window. All belong to Viettel Corporation (AS24086). Concentrated activity from adjacent IPs is a strong indicator of a single operator or coordinated botnet.
Primary ASN
AS24086 · Viettel Corporation
Subnet
116.99.172.0/24
Country
🇻🇳 VN
Cloud Provider
—
Member Count
3 IPs
Below average
Total Events
293
Below average by volume
Started / Ended
2026-05-20 20:40 — ongoing
Attack Types
MITRE ATT&CK Techniques
Initial Access
Discovery
Member Actors
| IP Address | Behavior | Confidence | Flags | Events | Agents | Attack Types | Hostname | Last Seen | |
|---|---|---|---|---|---|---|---|---|---|
| 116.99.172.119 | credential_harvester | 36% | 224 | 1 | ssh:bruteforce | — | 2026-05-20 21:20 | evidence → | |
| 116.99.172.116 | credential_harvester | 34% | 64 | 1 | ssh:bruteforce | — | 2026-05-21 15:36 | evidence → | |
| 116.99.172.142 | credential_probe | 11% | 5 | 1 | ssh:bruteforce | — | 2026-05-20 20:56 | evidence → |
VPN Known VPN or proxy provider
DROP ASN on Spamhaus DROP list
Nx OSINT Corroborated by N external threat feeds