191.54.83.81

Recent Activity This IP has received recent abuse reports, which causes the score to increase.
Abuse Confidence Score
100% Critical
35 reports
24 reporters · latest 12 minutes ago
ISP
ALGAR TELECOM S/A
Usage Type
Fixed Line ISP
ASN
AS53006
Hostname(s)
191-054-083-81.xd-dynamic.algarnetsuper.com.br
Domain Name
algar.com.br
Country
🇧🇷 Brazil
City
Nova Serrana, Minas Gerais
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Abuse Reports

Total reports
35 from 24 distinct reporters
First reported
Most recent report
Last 60 days
Top reporter locations 🇩🇪 Germany 6 🇫🇮 Finland 6 🇺🇸 United States of America 5
Most common categories Brute-Force 30 SSH 29 Port Scan 2 Web App Attack 1 Hacking 1
Recent reports We have received reports of abusive activity from this IP address within the last week. It is potentially still actively engaged in abusive activities.
Reporter IoA Timestamp (UTC) Comment Categories
🇬🇧 kie
12-11-2026:08:30:31UTC [systemd] Failed SSH password attempt user:root port:22538 (1 attempt(s)).
Brute-Force SSH
🇬🇧 kie
12-11-2026:08:00:43UTC [systemd] Failed SSH password attempt user:root port:54168 port:44278 (2 attempt(s)).
Brute-Force SSH
🇸🇰 sh97
SK01-Hosteroid: SSH Brute Force from 191.54.83.81 at 2026-11-12 13:21:31 IST
Brute-Force SSH
🇨🇭 mg
Brute-Force SSH
🇬🇧 kie
12-11-2026:07:30:44UTC [systemd] Failed SSH password attempt user:root port:38634 (1 attempt(s)).
Brute-Force SSH
🇬🇧 kie
12-11-2026:06:56:42UTC [systemd] Failed SSH password attempt user:root port:36942 (1 attempt(s)).
Brute-Force SSH
🇺🇸 yzfdude1
Brute-Force SSH
🇩🇪 Robbie
Nov 12 04:48:57 Ubuntu-2204-jammy-amd64-base sshd[3759393]: User root from 191.54.83.81 not allowed because not listed in AllowUsers ...
Brute-Force SSH
🇫🇮 iamxorum
Cowrie Honeypot: Unauthorised SSH/Telnet login attempt with user "test" at 2026-11-12T04:38:09Z
Brute-Force SSH
🇫🇮 iamxorum
Cowrie Honeypot: Unauthorised SSH/Telnet login attempt with user "root" at 2026-11-12T04:19:51Z
Brute-Force SSH
🇫🇮 iamxorum
Cowrie Honeypot: Unauthorised SSH/Telnet login attempt with user "root" at 2026-11-12T04:04:46Z
Brute-Force SSH
🇫🇮 iamxorum
Cowrie Honeypot: Unauthorised SSH/Telnet login attempt with user "root" at 2026-11-12T03:49:41Z
Brute-Force SSH
🇫🇮 iamxorum
Cowrie Honeypot: Unauthorised SSH/Telnet login attempt with user "root" at 2026-11-12T03:34:30Z
Brute-Force SSH
🇫🇮 iamxorum
Cowrie Honeypot: Unauthorised SSH/Telnet login attempt with user "root" at 2026-11-12T03:10:30Z
Brute-Force SSH
🇺🇸 daboy85
SSH/Telnet honeypot: 20 login attempts in 24h. Sample creds tried: 1 ubuntu:Qwer1234 1 ubuntu:11 1 test:test2026 1 test:123qwe!@#QWE
Brute-Force SSH

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