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AbuseIPDB » 91.92.241.87

91.92.241.87 was found in our database!

This IP was reported 516 times. Confidence of Abuse is 100%: ?

100%

ISP	OMEGATECH
Usage Type	Data Center/Web Hosting/Transit
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 91.92.241.87

Whois 91.92.241.87

IP Abuse Reports for 91.92.241.87:

This IP address has been reported a total of 516 times from 167 distinct sources. 91.92.241.87 was first reported on March 23rd 2026, and the most recent report was 1 hour 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
🇨🇭 beatsnet.com	2026-05-26 20:38:22 (1 week ago)	May 26 22:38:17 atom sm-mta[44492]: 64QKcGgU044492: AUTH failure (LOGIN): authentication failure (-1 ... show more May 26 22:38:17 atom sm-mta[44492]: 64QKcGgU044492: AUTH failure (LOGIN): authentication failure (-13) SASL(-13): authentication failure: checkpass failed, [email protected], relay=[91.92.241.87] May 26 22:38:18 atom sm-mta[44494]: 64QKcICw044494: AUTH failure (LOGIN): authentication failure (-13) SASL(-13): authentication failure: checkpass failed, [email protected], relay=[91.92.241.87] May 26 22:38:20 atom sm-mta[44496]: 64QKcJKw044496: AUTH failure (LOGIN): authentication failure (-13) SASL(-13): authentication failure: checkpass failed, user=beat.siegenthaler, relay=[91.92.241.87] May 26 22:38:21 atom sm-mta[44497]: 64QKcK8W044497: AUTH failure (LOGIN): authentication failure (-13) SASL(-13): authentication failure: checkpass failed, user=beat.siegenthaler, relay=[91.92.241.87] ... show less	Brute-Force
🇫🇷 adlp.org	2026-05-26 20:28:45 (1 week ago)	May 26 20:28:39 nginx-mua ==smtp/[email protected]== : TRAKEUR-Out;0;127.0.0.1;91.92.241. ... show more May 26 20:28:39 nginx-mua ==smtp/[email protected]== : TRAKEUR-Out;0;127.0.0.1;91.92.241.87;[UNAVAILABLE];[email protected];smtp;plain;1;@adlp.org$;KILL;2;Licence to kill May 26 20:28:42 nginx-mua ==smtp/[email protected]== : TRAKEUR-Out;0;127.0.0.1;91.92.241.87;[UNAVAILABLE];[email protected];smtp;plain;1;@adlp.org$;KILL;2;Licence to kill May 26 20:28:45 nginx-mua ==smtp/[email protected]== : TRAKEUR-Out;0;127.0.0.1;91.92.241.87;[UNAVAILABLE];[email protected];smtp;plain;1;@adlp.org$;KILL;2;Licence to kill ... show less	Brute-Force
Anonymous	2026-05-26 20:28:17 (1 week ago)	Brutforce imap, smtp, - 5 retry	Brute-Force
🇫🇷 Campus France	2026-05-26 20:13:35 (1 week ago)	2026-05-26T08:39:14.663713+02:00 server9 dovecot[586516]: submission-login: Disconnected: Disconnect ... show more 2026-05-26T08:39:14.663713+02:00 server9 dovecot[586516]: submission-login: Disconnected: Disconnected for inactivity. (auth failed, 1 attempts in 180 secs): user=<raparicio>, method=LOGIN, rip=91.92.241.87, lip=62.210.65.21, TLS, session=<PCI1trJSkNZbXPFX> 2026-05-26T13:36:22.503878+02:00 server9 dovecot[586516]: submission-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=LOGIN, rip=91.92.241.87, lip=62.210.65.21, TLS, session=<QHhr57ZS/c1bXPFX> 2026-05-26T13:36:32.514744+02:00 server9 dovecot[586516]: submission-login: Disconnected: Connection closed (auth failed, 1 attempts in 6 secs): user=<[email protected]>, method=LOGIN, rip=91.92.241.87, lip=62.210.65.21, TLS, session=<KYzL57ZSJu5bXPFX> 2026-05-26T13:36:45.432105+02:00 server9 dovecot[586516]: submission-login: Disconnected: Connection closed (auth failed, 1 attempts in 10 secs): user=<nicolas.croiset>, method=LOGIN, rip=91.92.241.87, lip=62.210.65.21, ... show less	Brute-Force Exploited Host
🇩🇪 LRob.fr	2026-05-26 19:45:03 (1 week ago)	SMTP brute-force detected by Fail2Ban in plesk-postfix jail	Email Spam Brute-Force
🇺🇸 Vasili Sviridov	2026-05-26 19:23:16 (1 week 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
🇩🇪 Marc	2026-05-26 19:06:29 (1 week ago)	2026-05-26T21:05:41.213614+02:00 mx1 postfix/submission/smtpd[2819736]: NOQUEUE: reject: RCPT from u ... show more 2026-05-26T21:05:41.213614+02:00 mx1 postfix/submission/smtpd[2819736]: NOQUEUE: reject: RCPT from unknown[91.92.241.87]: 554 5.7.1 <unknown[91.92.241.87]>: Client host rejected: Access denied; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<C3hKMN671> 2026-05-26T21:06:10.759618+02:00 mx1 postfix/submission/smtpd[2819736]: NOQUEUE: reject: RCPT from unknown[91.92.241.87]: 554 5.7.1 <unknown[91.92.241.87]>: Client host rejected: Access denied; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<Nhc8alva> 2026-05-26T21:06:29.080471+02:00 mx1 postfix/submission/smtpd[2819736]: NOQUEUE: reject: RCPT from unknown[91.92.241.87]: 554 5.7.1 <unknown[91.92.241.87]>: Client host rejected: Access denied; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<AavA6ih> show less	Brute-Force Email Spam
🇬🇧 cticom.ms	2026-05-26 19:05:40 (1 week ago)	Email Auth Brute force attack 8/3 in last day	Brute-Force
🇨🇦 bmcg	2026-05-26 18:13:46 (1 week ago)	2026-05-24 20:43:40 server smtpd[43700]: warning: unknown[91.92.241.87]:53461: SASL LOGIN authentica ... show more 2026-05-24 20:43:40 server smtpd[43700]: warning: unknown[91.92.241.87]:53461: SASL LOGIN authentication failed: Invalid authentication mechanism: 'LOGIN', sasl_username=(unavailable) show less	Brute-Force
🇷🇴 iulianh	2026-05-26 17:39:00 (1 week ago)	25,465,587	Brute-Force SSH
Anonymous	2026-05-26 17:09:26 (1 week ago)	SMTP brute force - auth failed	Brute-Force Exploited Host
🇫🇷 adlp.org	2026-05-26 16:11:51 (1 week ago)	May 26 16:11:44 nginx-mua ==smtp/[email protected]== : TRAKEUR-Out;0;127.0.0.1;91.92.241.87; ... show more May 26 16:11:44 nginx-mua ==smtp/[email protected]== : TRAKEUR-Out;0;127.0.0.1;91.92.241.87;[UNAVAILABLE];[email protected];smtp;plain;1;@adlp.org$;KILL;2;Licence to kill May 26 16:11:47 nginx-mua ==smtp/[email protected]== : TRAKEUR-Out;0;127.0.0.1;91.92.241.87;[UNAVAILABLE];[email protected];smtp;plain;1;@adlp.org$;KILL;2;Licence to kill May 26 16:11:50 nginx-mua ==smtp/[email protected]== : TRAKEUR-Out;0;127.0.0.1;91.92.241.87;[UNAVAILABLE];[email protected];smtp;plain;1;@adlp.org$;KILL;2;Licence to kill ... show less	Brute-Force
Anonymous	2026-05-26 16:00:34 (1 week ago)	2026-05-26T17:00:33.471947+01:00 parsel.zopatista.com postfix/smtpd[3601389]: NOQUEUE: reject: RCPT ... show more 2026-05-26T17:00:33.471947+01:00 parsel.zopatista.com postfix/smtpd[3601389]: NOQUEUE: reject: RCPT from unknown[91.92.241.87]: 554 5.7.1 <[email protected]>: Relay access denied; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<v6iRWXiW> ... show less	Brute-Force
🇵🇱 IT RDC	2026-05-26 15:57:22 (1 week ago)	May 26 17:57:18 rdcmail postfix/submission/smtpd[2726339]: warning: unknown[91.92.241.87]: SASL LOGI ... show more May 26 17:57:18 rdcmail postfix/submission/smtpd[2726339]: warning: unknown[91.92.241.87]: SASL LOGIN authentication failed: authentication failure, [email protected] May 26 17:57:20 rdcmail postfix/submission/smtpd[2726339]: warning: unknown[91.92.241.87]: SASL LOGIN authentication failed: authentication failure, [email protected] May 26 17:57:22 rdcmail postfix/submission/smtpd[2726339]: warning: unknown[91.92.241.87]: SASL LOGIN authentication failed: authentication failure, sasl_username=piotr.los ... show less	Brute-Force
Anonymous	2026-05-26 15:07:08 (1 week ago)	Kept connecting and disconnecting without issuing any commands	DDoS Attack

Showing 256 to 270 of 516 reports

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