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AbuseIPDB » 138.97.90.41

138.97.90.41 was found in our database!

This IP was reported 15 times. Confidence of Abuse is 22%: ?

22%

ISP	REDE CERRADO TELECOM
Usage Type	Fixed Line ISP
ASN	Unknown
Domain Name	cerradotelecom.net.br
Country	🇧🇷 Brazil
City	Barreiras, Bahia

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

Report 138.97.90.41

Whois 138.97.90.41

IP Abuse Reports for 138.97.90.41:

This IP address has been reported a total of 15 times from 10 distinct sources. 138.97.90.41 was first reported on April 23rd 2026, and the most recent report was 1 month ago.

Old Reports: The most recent abuse report for this IP address is from 1 month ago . It is possible that this IP is no longer involved in abusive activities.

Reporter	IoA Timestamp (UTC)	Comment	Categories
🇨🇭 Origon	2026-05-31 17:01:09 (1 month ago)	NOQUEUE - IP: 138.97.90.41 - May 31 19:01:09 plesk postfix/smtpd[1395245]: NOQUEUE: reject: RCPT fr ... show more NOQUEUE - IP: 138.97.90.41 - May 31 19:01:09 plesk postfix/smtpd[1395245]: NOQUEUE: reject: RCPT from unknown[138.97.90.41]: 554 5.7.1 Service unavailable; Client host [138.97.90.41] blocked using dnsbl-1.uceprotect.net; IP 138.97.90.41 is UCEPROTECT-Level 1 listed. See http://www.uceprotect.net/rblcheck.php?ipr=138.97.90.41; from=<REDACTED@REDACTED> to=<REDACTED@REDACTED> proto=ESMTP helo=<138.97.90.41> show less	Email Spam
Anonymous	2026-05-30 20:16:42 (1 month ago)	SpamAssassin score 21.9 exceeded block threshold 15.0	Email Spam
Anonymous	2026-05-30 14:17:55 (1 month ago)	2026-05-30T16:17:45.608542+02:00 postfix/smtpd[201230]: NOQUEUE: reject: RCPT from unknown[138.97.9 ... show more 2026-05-30T16:17:45.608542+02:00 postfix/smtpd[201230]: NOQUEUE: reject: RCPT from unknown[138.97.90.41]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [138.97.90.41]; proto=ESMTP helo=<138.97.90.41> 2026-05-30T16:17:49.134709+02:00 postfix/smtpd[201230]: NOQUEUE: reject: RCPT from unknown[138.97.90.41]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [138.97.90.41]; proto=ESMTP helo=<138.97.90.41> 2026-05-30T16:17:53.094271+02:00 postfix/smtpd[201230]: NOQUEUE: reject: RCPT from unknown[138.97.90.41]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [138.97.90.41]; proto=ESMTP helo=<138.97.90.41> show less	Email Spam
🇩🇪 Viveronese	2026-05-30 13:29:37 (1 month ago)	SASL LOGIN authentication failed	Brute-Force
🇩🇪 filstal.org	2026-05-29 16:01:14 (1 month ago)	CrowdSec: crowdsecurity/postfix-helo-rejected	Email Spam
🇨🇭 Origon	2026-05-28 16:52:02 (1 month ago)	NOQUEUE - IP: 138.97.90.41 - May 28 18:52:02 plesk postfix/smtpd[3218223]: NOQUEUE: reject: RCPT fr ... show more NOQUEUE - IP: 138.97.90.41 - May 28 18:52:02 plesk postfix/smtpd[3218223]: NOQUEUE: reject: RCPT from unknown[138.97.90.41]: 554 5.7.1 Service unavailable; Client host [138.97.90.41] blocked using dnsbl-1.uceprotect.net; IP 138.97.90.41 is UCEPROTECT-Level 1 listed. See http://www.uceprotect.net/rblcheck.php?ipr=138.97.90.41; from=<REDACTED@REDACTED> to=<REDACTED@REDACTED> proto=ESMTP helo=<138.97.90.41> show less	Email Spam
🇩🇪 Viveronese	2026-05-27 19:44:26 (1 month ago)	SASL LOGIN authentication failed	Brute-Force
🇩🇪 filstal.org	2026-05-27 18:21:13 (1 month ago)	CrowdSec-Report: crowdsecurity/postfix-helo-rejected	Email Spam Brute-Force
🇨🇭 Origon	2026-05-25 14:05:44 (1 month ago)	NOQUEUE - IP: 138.97.90.41 - May 25 16:05:44 plesk postfix/smtpd[1346639]: NOQUEUE: reject: RCPT fr ... show more NOQUEUE - IP: 138.97.90.41 - May 25 16:05:44 plesk postfix/smtpd[1346639]: NOQUEUE: reject: RCPT from unknown[138.97.90.41]: 554 5.7.1 Service unavailable; Client host [138.97.90.41] blocked using dnsbl-1.uceprotect.net; IP 138.97.90.41 is UCEPROTECT-Level 1 listed. See http://www.uceprotect.net/rblcheck.php?ipr=138.97.90.41; from=<REDACTED@REDACTED> to=<REDACTED@REDACTED> proto=ESMTP helo=<138.97.90.41> show less	Email Spam
🇬🇧 Joe-Mark	2026-05-23 17:12:13 (1 month ago)	Spam Timestamp : 23-May-26 17:46 BlockList Provider truncate.gbudb.net (392)	Email Spam
🇨🇭 Origon	2026-04-29 14:51:33 (2 months ago)	NOQUEUE - IP: 138.97.90.41 - Apr 29 16:51:33 plesk postfix/smtpd[2840988]: NOQUEUE: reject: RCPT fr ... show more NOQUEUE - IP: 138.97.90.41 - Apr 29 16:51:33 plesk postfix/smtpd[2840988]: NOQUEUE: reject: RCPT from unknown[138.97.90.41]: 554 5.7.1 Service unavailable; Client host [138.97.90.41] blocked using dnsbl-1.uceprotect.net; IP 138.97.90.41 is UCEPROTECT-Level 1 listed. See http://www.uceprotect.net/rblcheck.php?ipr=138.97.90.41; from=<REDACTED@REDACTED> to=<REDACTED@REDACTED> proto=ESMTP helo=<138.97.90.41> show less	Email Spam
🇩🇪 itak	2026-04-29 12:06:38 (2 months ago)	postfix Server Abuse - invalid commands, non-standard protocol, non-FQDN, unauthorized attempt to us ... show more postfix Server Abuse - invalid commands, non-standard protocol, non-FQDN, unauthorized attempt to use as a relay, trying to deliver spam, etc. show less	DDoS Attack Email Spam Port Scan Brute-Force
🇷🇸 Smel	2026-04-29 04:19:12 (2 months ago)	Mail/25/465/587-993/995 Probe, Reject, BadAuth, Hack, SPAM -	Email Spam Hacking Brute-Force
🇳🇱 Cloud86 B.V.	2026-04-26 03:19:51 (2 months ago)	categories: Email Spam	Email Spam
🇮🇹 VHosting	2026-04-23 06:28:43 (2 months ago)	Detected mail brute force attack from 4 different servers	Brute-Force

Showing 1 to 15 of 15 reports

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