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Subnet 81.19.219.0/24
SUBNET Active highWhy this campaign was detected
5 IPs from the same /24 subnet (81.19.219.0/24) were observed attacking our sensors within the same time window. All belong to Hydra Communications Ltd (AS25369). Concentrated activity from adjacent IPs is a strong indicator of a single operator or coordinated botnet.
Primary ASN
AS25369 · Hydra Communications Ltd
Subnet
81.19.219.0/24
Country
🇬🇧 GB
Cloud Provider
—
Member Count
5 IPs
Below average
Total Events
19
Below average by volume
Started / Ended
2026-05-15 06:23 — ongoing
Attack Types
MITRE ATT&CK Techniques
Initial Access
Discovery
Member Actors
| IP Address | Behavior | Confidence | Flags | Events | Agents | Attack Types | Hostname | Last Seen | |
|---|---|---|---|---|---|---|---|---|---|
| 81.19.219.224 | http:scan | 40% | 1x OSINT | 4 | 2 | http:scantelnet:bruteforce | 81-19-219-224.infrawat.ch | 2026-10-16 06:06 | evidence → |
| 81.19.219.217 | scanner | 37% | 1x OSINT | 6 | 2 | ssh:connection | 81-19-219-217.infrawat.ch | 2026-10-17 19:46 | evidence → |
| 81.19.219.209 | web_probe | 33% | 1x OSINT | 4 | 1 | http:scantelnet:connection | 81-19-219-209.infrawat.ch | 2026-10-15 01:30 | evidence → |
| 81.19.219.242 | web_probe | 23% | 1x OSINT | 1 | 1 | http:scan | 81-19-219-242.infrawat.ch | 2026-10-15 07:08 | evidence → |
| 81.19.219.245 | scanner | 23% | 1x OSINT | 4 | 1 | ssh:connection | 81-19-219-245.infrawat.ch | 2026-10-15 10:21 | evidence → |
VPN Known VPN or proxy provider
DROP ASN on Spamhaus DROP list
Nx OSINT Corroborated by N external threat feeds