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Subnet 45.156.129.0/24
SUBNET Active highWhy this campaign was detected
5 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
5 IPs
Below average
Total Events
25
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 45.156.129.193 | web_probe | 53% | 11 | 3 | http:scanssh:bruteforce | — | 2026-07-13 11:02 | evidence → | |
| 45.156.129.134 | web_probe | 49% | 2x OSINT | 7 | 3 | http:scan | — | 2026-07-11 09:44 | evidence → |
| 45.156.129.110 | web_probe | 29% | 1 | 1 | http:scan | — | 2026-07-16 03:41 | evidence → | |
| 45.156.129.117 | web_probe | 24% | 1x OSINT | 3 | 1 | http:scan | — | 2026-07-13 18:31 | evidence → |
| 45.156.129.115 | web_probe | 19% | 3 | 1 | http:scan | — | 2026-07-13 18:33 | evidence → |
VPN Known VPN or proxy provider
DROP ASN on Spamhaus DROP list
Nx OSINT Corroborated by N external threat feeds