51.12.221.15 is an IP address with 2 abuse reports from 1 distinct reporter, submitted between 07/25/2026 and 07/25/2026. The AbuseTrack community rates it as Medium risk, with a score of 30/100. The most frequently reported threat categories are Brute Force.
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ip
51.12.221.15
Medium · 302 reports
- Organization:
- MICROSOFT-MAINT
- Network:
- cloud
SwedenInstant verdict
SUSPICIOUS
30/100
Community risk score
2
Reports
1
Reporters
07/25/2026
First seen
07/25/2026
Last seen
Threat type
Intelligence
Country
Sweden (SE)
WHOIS (RDAP)
- Country
- Sweden
- Location
- Gävle, Gävleborg County
- Network
- cloud
- Handle
- 51.12.0.0 - 51.12.255.255
- Range
- 51.12.0.0 - 51.12.255.255
- Organization
- MICROSOFT-MAINT
- Abuse contact
- abuse@microsoft.com
Report history (2)
Brute Force07/25/2026, 07:53 PM · Enjyn Gruppe
fail2ban: SSH (sshd) brute-force — 3 failed attempts (jail: sshd)
Brute Force07/25/2026, 04:37 AM · Enjyn Gruppe
fail2ban: SSH (sshd) brute-force — 3 failed attempts (jail: sshd)