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Subnet 45.156.128.0/24
SUBNET Active highWhy this campaign was detected
11 IPs from the same /24 subnet (45.156.128.0/24) 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
45.156.128.0/24
Country
🇵🇹 PT
Cloud Provider
—
Member Count
11 IPs
Below average
Total Events
73
Below average by volume
Started / Ended
2026-02-25 23:36 — ongoing
Attack Types
MITRE ATT&CK Techniques
Initial Access
Discovery
Member Actors
| IP Address | Behavior | Confidence | Flags | Events | Agents | Attack Types | Hostname | Last Seen | |
|---|---|---|---|---|---|---|---|---|---|
| 45.156.128.131 | web_probe | 56% | 1x OSINT | 8 | 3 | http:scan | — | 2026-09-15 06:50 | evidence → |
| 45.156.128.10 | web_probe | 55% | 6 | 3 | http:scanssh:bruteforce | — | 2026-09-12 21:03 | evidence → | |
| 45.156.128.130 | web_probe | 54% | 2x OSINT | 17 | 3 | http:scan | — | 2026-09-11 15:00 | evidence → |
| 45.156.128.128 | web_probe | 43% | 11 | 3 | http:scan | — | 2026-09-10 04:22 | evidence → | |
| 45.156.128.13 | web_probe | 43% | 7 | 3 | http:scan | — | 2026-09-10 12:16 | evidence → | |
| 45.156.128.49 | web_probe | 42% | 10 | 3 | http:scan | — | 2026-09-09 15:12 | evidence → | |
| 45.156.128.111 | web_probe | 26% | 7 | 1 | http:scanssh:bruteforce | — | 2026-09-10 07:52 | evidence → | |
| 45.156.128.73 | web_probe | 24% | 2x OSINT | 1 | 1 | http:scan | — | 2026-09-09 23:45 | evidence → |
| 45.156.128.52 | scanner | 23% | 1x OSINT | 4 | 1 | ssh:bruteforce | — | 2026-09-12 00:20 | evidence → |
| 45.156.128.114 | web_probe | 16% | 1 | 1 | http:scan | — | 2026-09-10 07:51 | evidence → | |
| 45.156.128.112 | web_probe | 16% | 1 | 1 | http:scan | — | 2026-09-10 07:47 | evidence → |
VPN Known VPN or proxy provider
DROP ASN on Spamhaus DROP list
Nx OSINT Corroborated by N external threat feeds