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AbuseIPDB » 178.16.52.237

178.16.52.237 was found in our database!

This IP was reported 24 times. Confidence of Abuse is 96%: ?

96%

ISP	OMEGATECH
Usage Type	Fixed Line ISP
ASN	AS202412
Domain Name	omegatech.sc
Country	🇩🇪 Germany
City	Frankfurt am Main, Hesse

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

Report 178.16.52.237

Whois 178.16.52.237

IP Abuse Reports for 178.16.52.237:

This IP address has been reported a total of 24 times from 23 distinct sources. 178.16.52.237 was first reported on June 5th 2026, and the most recent report was 3 days 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
🇫🇷 [email protected]	2026-07-01 11:45:13 (3 days ago)	Jul 1 13:44:27 mail6 postfix/smtpd[3075492]: warning: unknown[178.16.52.237]: SASL LOGIN authentica ... show more Jul 1 13:44:27 mail6 postfix/smtpd[3075492]: warning: unknown[178.16.52.237]: SASL LOGIN authentication failed: (reason unavailable), sasl_username=crisolar Jul 1 13:44:33 mail6 postfix/smtpd[3075496]: warning: unknown[178.16.52.237]: SASL LOGIN authentication failed: (reason unavailable), sasl_username=crisolar Jul 1 13:44:44 mail6 postfix/smtpd[3050532]: warning: unknown[178.16.52.237]: SASL LOGIN authentication failed: (reason unavailable), sasl_username=crisolar Jul 1 13:45:07 mail6 postfix/smtpd[3090352]: warning: unknown[178.16.52.237]: SASL LOGIN authentication failed: (reason unavailable), sasl_username=crisolar Jul 1 13:45:13 mail6 postfix/smtpd[3075496]: warning: unknown[178.16.52.237]: SASL LOGIN authentication failed: (reason unavailable), sasl_username=crisolar ... show less	Brute-Force
🇨🇭 Armando Savanesi	2026-07-01 06:48:19 (3 days ago)	IP reached maximum auth failures	Brute-Force
🇩🇪 ipcop.net	2026-07-01 02:13:59 (3 days ago)	2026-07-01T04:13:47.600892+02:00 web01.agentur-b-2.de postfix/smtpd[3945085]: NOQUEUE: reject: RCPT ... show more 2026-07-01T04:13:47.600892+02:00 web01.agentur-b-2.de postfix/smtpd[3945085]: NOQUEUE: reject: RCPT from unknown[178.16.52.237]: 504 5.5.2 <h6jKXv>: Helo command rejected: need fully-qualified hostname; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<h6jKXv> 2026-07-01T04:13:52.052021+02:00 web01.agentur-b-2.de postfix/smtpd[3936719]: warning: unknown[178.16.52.237]: SASL LOGIN authentication failed: (reason unavailable), sasl_username=v.stallony 2026-07-01T04:13:52.116936+02:00 web01.agentur-b-2.de postfix/smtpd[3936719]: disconnect from unknown[178.16.52.237] ehlo=2 starttls=1 auth=0/1 commands=3/4 2026-07-01T04:13:58.489308+02:00 web01.agentur-b-2.de postfix/smtpd[3945085]: warning: unknown[178.16.52.237]: SASL LOGIN authentication failed: (reason unavailable), sasl_username=v.stallony 2026-07-01T04:13:58.577840+02:00 web01.agentur-b-2.de postfix/smtpd[3945085]: disconnect from unknown[178.16.52.237] ehlo=2 starttls=1 auth=0/1 commands=3/4 show less	Fraud VoIP Brute-Force
🇮🇹 Inartis	2026-07-01 00:26:41 (4 days ago)	2026-07-01T02:26:39.881230mail1.inartis.it postfix/smtpd[3491081]: warning: unknown[178.16.52.237]: ... show more 2026-07-01T02:26:39.881230mail1.inartis.it postfix/smtpd[3491081]: warning: unknown[178.16.52.237]: SASL LOGIN authentication failed: authentication failure, sasl_username=abanoritz ... show less	Port Scan Brute-Force
🇩🇪 itsolon	2026-06-30 22:00:51 (4 days ago)	Jul 1 00:00:30 srv7 postfix/smtpd[1735319]: warning: unknown[178.16.52.237]: SASL LOGIN authenticat ... show more Jul 1 00:00:30 srv7 postfix/smtpd[1735319]: warning: unknown[178.16.52.237]: SASL LOGIN authentication failed: authentication failure, sasl_username=info Jul 1 00:00:34 srv7 postfix/smtpd[1735351]: warning: unknown[178.16.52.237]: SASL LOGIN authentication failed: authentication failure, sasl_username=info Jul 1 00:00:40 srv7 postfix/smtpd[1735351]: warning: unknown[178.16.52.237]: SASL LOGIN authentication failed: authentication failure, sasl_username=info Jul 1 00:00:45 srv7 postfix/smtpd[1735319]: warning: unknown[178.16.52.237]: SASL LOGIN authentication failed: authentication failure, sasl_username=info Jul 1 00:00:50 srv7 postfix/smtpd[1735351]: warning: unknown[178.16.52.237]: SASL LOGIN authentication failed: authentication failure, sasl_username=info ... show less	Hacking Brute-Force
Anonymous	2026-06-30 21:57:47 (4 days ago)	Kept connecting and disconnecting without issuing any commands	DDoS Attack
🇨🇭 SOC [GOLINE SA]	2026-06-30 19:04:30 (4 days ago)	SMTP Authentication Attack === ATTACK === Type: SMTP/SASL Auth Attack \| Pattern: Multiple failed aut ... show more SMTP Authentication Attack === ATTACK === Type: SMTP/SASL Auth Attack \| Pattern: Multiple failed auth attempts === SOURCE === IP: 178.16.52.237 (IPv4) \| Country: Germany \| ISP: OMEGATECH \| rDNS: None === TARGET === Host: lilys.ch \| Ports: 25,465,587 \| Protocol: TCP === RESPONSE === Time: 2026-06-30 21:04:30 \| Action: Blocked show less	Email Spam Brute-Force
Anonymous	2026-06-30 17:46:54 (4 days ago)	(smtpauth) Failed SMTP AUTH login from 178.16.52.237 (DE/Germany/-)	Brute-Force
🇩🇪 4server	2026-06-30 13:12:04 (4 days ago)	IP reached maximum auth failures	Brute-Force
🇩🇪 ipcop.net	2026-06-30 12:55:23 (4 days ago)	2026-06-30T14:55:00.509350+02:00 web01.agentur-b-2.de postfix/smtpd[3161073]: NOQUEUE: reject: RCPT ... show more 2026-06-30T14:55:00.509350+02:00 web01.agentur-b-2.de postfix/smtpd[3161073]: NOQUEUE: reject: RCPT from unknown[178.16.52.237]: 504 5.5.2 <ZeCJYWu5F>: Helo command rejected: need fully-qualified hostname; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<ZeCJYWu5F> 2026-06-30T14:55:12.339464+02:00 web01.agentur-b-2.de postfix/smtpd[3161073]: warning: unknown[178.16.52.237]: SASL LOGIN authentication failed: (reason unavailable), sasl_username=info 2026-06-30T14:55:12.389236+02:00 web01.agentur-b-2.de postfix/smtpd[3161073]: disconnect from unknown[178.16.52.237] ehlo=2 starttls=1 auth=0/1 commands=3/4 2026-06-30T14:55:23.187228+02:00 web01.agentur-b-2.de postfix/smtpd[3192059]: warning: unknown[178.16.52.237]: SASL LOGIN authentication failed: (reason unavailable), sasl_username=info 2026-06-30T14:55:23.247276+02:00 web01.agentur-b-2.de postfix/smtpd[3192059]: disconnect from unknown[178.16.52.237] ehlo=2 starttls=1 auth=0/1 commands=3/4 show less	Fraud VoIP Brute-Force
Anonymous	2026-06-30 08:50:45 (4 days ago)	Failed SMTP AUTH for user: kontakt	Brute-Force
Anonymous	2026-06-30 06:57:13 (4 days ago)	Port scan and brute force attack	Port Scan Brute-Force
🇩🇪 DennisE	2026-06-30 04:33:44 (4 days ago)	Jun 30 06:33:37 mkhserver1 postfix/smtpd\[6505\]: warning: unknown\[178.16.52.237\]: SASL LOGIN auth ... show more Jun 30 06:33:37 mkhserver1 postfix/smtpd\[6505\]: warning: unknown\[178.16.52.237\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6Jun 30 06:33:44 mkhserver1 postfix/smtpd\[6505\]: warning: unknown\[178.16.52.237\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 ... show less	Brute-Force Exploited Host
🇩🇪 dbmwebdesign	2026-06-30 01:30:42 (4 days ago)	SMTP brute-force detected by Fail2Ban in plesk-postfix jail	Email Spam Brute-Force
🇩🇪 LRob	2026-06-30 00:30:09 (5 days ago)	SMTP brute-force detected by Fail2Ban in plesk-postfix jail	Email Spam Brute-Force

Showing 1 to 15 of 24 reports

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