5.21.49.168

Activity Trending Down This IP hasn't received reports recently, which causes the score to decay.
Abuse Confidence Score
34% Elevated
13 reports
13 reporters · latest 3 weeks ago
ISP
Nawras Mobile Broadband - Pool 135 -166
Usage Type
Fixed Line ISP
ASN
AS50010
Domain Name
ooredoo.om
Country
🇴🇲 Oman
City
Muscat, Muscat
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Abuse Reports

Total reports
13 from 13 distinct reporters
First reported
Most recent report
Last 60 days
Top reporter locations 🇩🇪 Germany 2 🇫🇷 France 2 🇩🇰 Denmark 1
Most common categories Brute-Force 11 Port Scan 1 Hacking 1
Old reports The most recent abuse report for this IP address is from . It is possible that this IP is no longer involved in abusive activities.
Reporter IoA Timestamp (UTC) Comment Categories
Anonymous
Failed login attempt detected by Fail2Ban in plesk-postfix jail
Brute-Force
🇫🇷 ingroscart.it
(smtpauth) Failed SMTP AUTH login from 5.21.49.168 (OM/Oman/Muscat/Muscat/-/-)
Brute-Force
🇯🇵 tttomomi
Repeated failed SMTP AUTH attempts (SASL) against our mail server. Usernames attempted: ndoe.
Brute-Force
🇭🇺 Lacika555
RdpGuard detected brute-force attempt on SMTP
Brute-Force
🇩🇪 DocNetzwerk
(smtpauth) Failed SMTP AUTH login from 5.21.49.168 (OM/Oman/-)
Brute-Force
🇳🇱 maxxsense
(postfix-unknown) Failed postfix unknown login with username [redacted] from 5.21.49.168 (OM/Oman/-)
Hacking
Anonymous
5.21.49.168 detected on srv01
Brute-Force
🇩🇰 powerhostingdk
[mailserver] CrowdSec detected mailscanner/global-spam-aggregate (31 events). Automated abuse report.
Brute-Force
🇸🇮 simpletech.si
Lisa OpenDesk Protection (LODP): mail server credential brute-force. 1 failed logins against 1 account(s) on 1 domain(s) via SMTP in the last 24 hours. Blocked at the perimeter firewall.
Brute-Force
Anonymous
2026-10-08T15:57:15.919391+02:00 soli-gate postfix/submissions/smtpd[3092495]: warning: unknown[5.21.49.168]: SASL PLAIN authentication failed: authentication failure, [email protected] ...
Brute-Force
🇵🇱 bmino.pl
Autoban IP(2): 5.21.49.168 - Hostname: Nawras ISP (Oman) - City: Muscat - Country: Oman - Organization: Nawras (Oman) - Reason: Suspicious activity detected by Fail2ban
Brute-Force
🇮🇹 Inartis
Oct 8 08:54:38 mail1 postfix/smtpd[1605051]: warning: unknown[5.21.49.168]: SASL PLAIN authentication failed: authentication failure, [email protected] ...
Port Scan Brute-Force
🇺🇸 kosada.com
Web bot: denial-of-service flood
DDoS Attack Bad Web Bot

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