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AbuseIPDB » 91.92.241.57

91.92.241.57 was found in our database!

This IP was reported 116 times. Confidence of Abuse is 100%: ?

100%

ISP	OMEGATECH
Usage Type	Fixed Line ISP
ASN	AS202412
Domain Name	omegatech.sc
Country	🇳🇱 Netherlands
City	Amsterdam, North Holland

IP info including ISP, Usage Type, and Location provided by IPInfo. Updated weekly.

Report 91.92.241.57

Whois 91.92.241.57

IP Abuse Reports for 91.92.241.57:

This IP address has been reported a total of 116 times from 88 distinct sources. 91.92.241.57 was first reported on September 19th 2025, and the most recent report was 18 hours ago.

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
🇷🇺 DZBOT	2026-06-26 23:20:41 (18 hours ago)	DZBOT. Brute-force users SMTP	Brute-Force
🇪🇸 librebit	2026-06-26 19:35:10 (21 hours ago)	Listed IP in blacklist by postfix/dnsblog	Spoofing
🇺🇸 AWSGIEMSAN7	2026-06-26 17:10:53 (1 day ago)	Blocked by Fail2ban (Jail: postfix-sender-rejected-relay)..	Brute-Force
🇺🇸 Vasili Sviridov	2026-06-26 16:34:51 (1 day ago)	<redacted>: Helo command rejected: need fully-qualified hostname; from=<redacted> to=<redacted> prot ... show more <redacted>: Helo command rejected: need fully-qualified hostname; from=<redacted> to=<redacted> proto=ESMTP helo=<redacted> show less	Email Spam
🇫🇮 Yachiyo Runami	2026-06-26 14:12:06 (1 day ago)	Port Scan on Honeypot \| Ports: 25/SMTP \| Proto: TCP(1) \| Flags: all SYN \| TTL: 119 \| Len: 52B \| Win: ... show more Port Scan on Honeypot \| Ports: 25/SMTP \| Proto: TCP(1) \| Flags: all SYN \| TTL: 119 \| Len: 52B \| Win: 8192(1) \| F2B/ufw-honeypot@2026-06-26T14:12:06Z show less	Port Scan Hacking
🇦🇺 dyln	2026-06-24 09:24:07 (3 days ago)	Dyls honeypot brute-force: SMTP (2 total hits)	Brute-Force
🇹🇭 Sawasdee	2026-06-15 09:30:05 (1 week ago)	Port Scan ...	Port Scan
🇦🇺 dyln	2026-06-15 04:21:12 (1 week ago)	Dyls honeypot brute-force: SMTP (1 total hits)	Brute-Force
🇨🇭 Elysium Security	2026-06-14 23:14:51 (1 week ago)	Mass port scanning on a whole network	Port Scan
🇮🇩 Konaa	2026-06-09 15:21:25 (2 weeks ago)	2026-06-09T22:20:29.901596+07:00 rapi postfix/smtpd[590813]: lost connection after CONNECT from unkn ... show more 2026-06-09T22:20:29.901596+07:00 rapi postfix/smtpd[590813]: lost connection after CONNECT from unknown[91.92.241.57] 2026-06-09T22:20:29.903431+07:00 rapi postfix/smtpd[590813]: lost connection after CONNECT from unknown[91.92.241.57] show less	Email Spam Port Scan Brute-Force
🇫🇮 ngonghillsbikers	2026-06-09 13:34:18 (2 weeks ago)	Reported IP: 91.92.241.57 smtpauth NL/The Netherlands/- Connections: 10 Blocked: Permanent Block: [L ... show more Reported IP: 91.92.241.57 smtpauth NL/The Netherlands/- Connections: 10 Blocked: Permanent Block: [LF_TRIGGER] Logs: 2026-06-09T16:33:22.492745+03:00 group postfix/smtpd[1504836]: warning: unknown[91.92.241.57]: SASL LOGIN authentication failed: (reason unavailable), sasl_username=username 2026-06-09T16:33:22.492745+03:00 group postfix/smtpd[1504836]: warning: unknown[91.92.241.57]: SASL LOGIN authentication failed: (reason unavailable), sasl_username=username 2026-06-09T16:33:29.023419+03:00 group postfix/smtpd[1504841]: warning: unknown[91.92.241.57]: SASL LOGIN authentication failed: (reason unavailable), sasl_username=postmaster 2026-06-09T16:33:29.023419+03:00 group postfix/smtpd[1504841]: warning: unknown[91.92.241.57]: SASL LOGIN authentication failed: (reason unavailable), sasl_username=postmaster 2026-06-09T16:33:39.015726+03:00 group postfix/smtpd[1504834]: warning: unknown[91.92.241.57]: SASL LOGIN authentication failed: (reason unavailable), sasl_username=admin 2026-06-09T show less	Bad Web Bot Web App Attack
🇩🇪 zGrav	2026-06-08 14:54:51 (2 weeks ago)	2026-06-08T16:54:28.741339+02:00 zgrav auth[1656101]: pam_unix(dovecot:auth): authentication failure ... show more 2026-06-08T16:54:28.741339+02:00 zgrav auth[1656101]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser=info rhost=91.92.241.57 2026-06-08T16:54:38.230809+02:00 zgrav auth[1656101]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser=postmaster rhost=91.92.241.57 2026-06-08T16:54:50.621019+02:00 zgrav auth[1656101]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser=admin rhost=91.92.241.57 ... show less	Brute-Force
🇫🇷 floofy.tech	2026-05-28 02:10:40 (4 weeks ago)	2026-05-28T04:10:34.278964 yip.floofy.tech postal-smtp[2626274]: 2026-05-28 02:10:34 +0000 WARN Au ... show more 2026-05-28T04:10:34.278964 yip.floofy.tech postal-smtp[2626274]: 2026-05-28 02:10:34 +0000 WARN Authentication failure for 91.92.241.57 trace_id=OEUQA8HM component=smtp-server 2026-05-28T04:10:37.236592 yip.floofy.tech postal-smtp[2626274]: 2026-05-28 02:10:37 +0000 WARN Authentication failure for 91.92.241.57 trace_id=4FFG6A0L component=smtp-server 2026-05-28T04:10:39.332481 yip.floofy.tech postal-smtp[2626274]: 2026-05-28 02:10:39 +0000 WARN Authentication failure for 91.92.241.57 trace_id=QXQXBXHV component=smtp-server ... show less	Brute-Force
Anonymous	2026-05-28 00:42:57 (4 weeks ago)	SMTP Bruteforce attempt	Brute-Force
🇳🇴 Abuse Buster	2026-05-27 19:58:03 (4 weeks ago)	2026-05-27T21:58:03.329505+02:00 mx postfix/dnsblog[1263462]: addr 91.92.241.57 listed by domain zen ... show more 2026-05-27T21:58:03.329505+02:00 mx postfix/dnsblog[1263462]: addr 91.92.241.57 listed by domain zen.spamhaus.org as 127.0.0.2 2026-05-27T21:58:03.329673+02:00 mx postfix/dnsblog[1263462]: addr 91.92.241.57 listed by domain zen.spamhaus.org as 127.0.0.9 2026-05-27T21:58:03.329766+02:00 mx postfix/dnsblog[1263462]: addr 91.92.241.57 listed by domain zen.spamhaus.org as 127.0.0.4 ... show less	Email Spam

Showing 1 to 15 of 116 reports

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