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Subnet 45.156.129.0/24
SUBNET Active highWhy this campaign was detected
8 IPs from the same /24 subnet (45.156.129.0/24) were observed attacking our sensors within the same time window. All belong to Sistemas Informaticos, S.A. (AS211680). Concentrated activity from adjacent IPs is a strong indicator of a single operator or coordinated botnet.
Primary ASN
AS211680 · Sistemas Informaticos, S.A.
Subnet
45.156.129.0/24
Country
🇵🇹 PT
Cloud Provider
—
Member Count
8 IPs
Below average
Total Events
42
Below average by volume
Started / Ended
2026-02-26 11:33 — ongoing
Attack Types
MITRE ATT&CK Techniques
Initial Access
Discovery
Member Actors
| IP Address | Behavior | Confidence | Flags | Events | Agents | Attack Types | Hostname | Last Seen | |
|---|---|---|---|---|---|---|---|---|---|
| 45.156.129.191 | scanner | 56% | 10 | 3 | http:scanssh:bruteforce | — | 2026-05-12 00:49 | evidence → | |
| 45.156.129.107 | web_probe | 44% | 1x OSINT | 5 | 2 | http:scanssh:bruteforce | — | 2026-05-11 18:26 | evidence → |
| 45.156.129.193 | scanner | 42% | 9 | 2 | http:scanssh:bruteforce | — | 2026-05-12 19:25 | evidence → | |
| 45.156.129.189 | web_probe | 41% | 6 | 2 | http:scanssh:bruteforce | — | 2026-05-12 18:06 | evidence → | |
| 45.156.129.131 | web_probe | 40% | 1x OSINT | 2 | 2 | http:scan | — | 2026-05-14 18:53 | evidence → |
| 45.156.129.186 | scanner | 32% | 5 | 1 | http:scanssh:bruteforce | — | 2026-05-12 15:59 | evidence → | |
| 45.156.129.105 | web_probe | 25% | 1x OSINT | 1 | 1 | http:scan | — | 2026-05-11 18:22 | evidence → |
| 45.156.129.190 | scanner | 21% | 4 | 1 | ssh:bruteforce | — | 2026-05-12 18:06 | evidence → |
VPN Known VPN or proxy provider
DROP ASN on Spamhaus DROP list
Nx OSINT Corroborated by N external threat feeds