IP address 4.221.162.168 has been flagged in 1311 abuse reports across 25 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, bruteforce, known attacker, known malicious, malware c2, malware infrastructure, port scan, reconnaissance, repeat offender, reputation low, ssh brute force, ssh bruteforce, suspicious activity, voip attack, 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 2026-10-13.
Assessment: 4.221.162.168 is among the most actively malicious IP addresses in our database, with over 1311 abuse reports from 25 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.