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Subnet 204.76.203.0/24

SUBNET Active high
Why this campaign was detected
4 IPs from the same /24 subnet (204.76.203.0/24) were observed attacking our sensors within the same time window. All belong to Pfcloud UG (haftungsbeschrankt) (AS51396). Concentrated activity from adjacent IPs is a strong indicator of a single operator or coordinated botnet.
Primary ASN
AS51396 · Pfcloud UG (haftungsbeschrankt)
Subnet
204.76.203.0/24
Country
🇳🇱 NL
Cloud Provider
—
Member Count
4 IPs
Below average
Total Events
15
Below average by volume
Started / Ended
2026-10-15 00:11 — ongoing
Attack Types
ssh:bruteforce ssh:connection telnet:bruteforce telnet:connection
MITRE ATT&CK Techniques
Reconnaissance
Credential Access
Discovery
Member Actors
IP Address Behavior Confidence Flags Events Agents Attack Types Hostname Last Seen
204.76.203.212 scanner 40% DROP1x OSINT 4 2 ssh:connectiontelnet:connection 204.76.203.212.ptr.pfcloud.network 2026-10-15 18:57 evidence →
204.76.203.222 scanner 33% DROP1x OSINT 6 1 ssh:bruteforcessh:connectiontelnet:bruteforcetelnet:connection 204.76.203.222.ptr.pfcloud.network 2026-10-15 18:57 evidence →
204.76.203.213 credential_probe 22% DROP1x OSINT 3 1 telnet:bruteforce 204.76.203.213.ptr.pfcloud.network 2026-10-15 18:10 evidence →
204.76.203.221 scanner 21% DROP1x OSINT 2 1 telnet:connection 204.76.203.221.ptr.pfcloud.network 2026-10-15 00:11 evidence →
VPN Known VPN or proxy provider
DROP ASN on Spamhaus DROP list
Nx OSINT Corroborated by N external threat feeds