IP address 172.174.5.146 has been flagged in 368 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, aggressive scanner, attacks, brute force, bruteforce, known attacker, malware c2, malware infrastructure, persistent attacker, reconnaissance, ssh-bruteforce, ssh brute force, ssh bruteforce, suspicious activity, unknown, voip attack.
This IP is geolocated in United States (Washington) and belongs to the network Microsoft Corporation (AS8075). Reports span from 2024-01-17 to 2026-04-17.
Assessment: With 368 abuse reports, 172.174.5.146 shows persistent malicious activity that has been flagged by multiple threat intelligence feeds. 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.