IP address 4.221.186.70 has been flagged in 1078 abuse reports across 21 independent threat intelligence sources, resulting in a threat score of 100.0/100 (critical risk). The primary activity associated with this IP is abuseipdb blacklist, along with aggregated threat, attacks, brute force, known attacker, known malicious, malware c2, malware infrastructure, port scan, reconnaissance, reputation low, ssh brute force, ssh bruteforce, suspicious activity, web attack, web brute force.
This IP is geolocated in South Africa (Johannesburg) and belongs to the network Microsoft Corporation (AS8075). Reports span from 2026-05-04 to 2026-10-05.
Assessment: 4.221.186.70 is among the most actively malicious IP addresses in our database, with over 1078 abuse reports from 21 independent sources. The IP has been observed conducting automated SSH login attempts against internet-facing servers, a technique commonly used to gain unauthorized access to systems. This IP belongs to Microsoft Corporation, a major cloud/hosting provider — the malicious activity likely originates from a compromised or rented virtual server rather than the provider's own infrastructure.