Recommended: Rate limit

20.121.66.43

Name: 20.121.66.43 — threat profile
Creator: BoarNet
License: https://creativecommons.org/licenses/by/4.0/
Keywords: category:service-probe, probe, probe-family:syn-only, telnet

PTR…

AS8075·MICROSOFT-CORP-MSN-AS-BLOCK·US

Total sightings: 8,152
Core / Mesh / Edge: 0 / 8152 / 0
First seen: 2026-05-17
Last seen: 2026-05-18

Behavioral tags

category:service-probeprobeprobe-family:syn-onlytelnet

Probed ports

:23

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BoarNet is a passive sensor fleet; these observations came from honeypot and edge telemetry. Absence of sightings is not evidence of safety.