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AbuseIPDB » 191.250.203.154

191.250.203.154 was found in our database!

This IP was reported 87 times. Confidence of Abuse is 45%: ?

45%

ISP	TELEFÔNICA BRASIL S.A
Usage Type	Fixed Line ISP
ASN	AS18881
Hostname(s)	191.250.203.154.dynamic.adsl.gvt.net.br
Domain Name	telefonica.com.br
Country	🇧🇷 Brazil
City	Aracaju, Sergipe

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

Report 191.250.203.154

Whois 191.250.203.154

IP Abuse Reports for 191.250.203.154:

This IP address has been reported a total of 87 times from 41 distinct sources. 191.250.203.154 was first reported on May 5th 2023, and the most recent report was 2 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
Anonymous	2026-06-29 23:30:33 (2 days ago)	SPAM EMAIL 191.250.203.154 (RBL_TRIGGER)	Email Spam
🇨🇭 Origon	2026-06-29 15:45:40 (2 days ago)	NOQUEUE - IP: 191.250.203.154 - Jun 29 17:45:40 plesk postfix/smtpd[983812]: NOQUEUE: reject: RCPT ... show more NOQUEUE - IP: 191.250.203.154 - Jun 29 17:45:40 plesk postfix/smtpd[983812]: NOQUEUE: reject: RCPT from unknown[191.250.203.154]: 554 5.7.1 Service unavailable; Client host [191.250.203.154] blocked using dnsbl-1.uceprotect.net; IP 191.250.203.154 is UCEPROTECT-Level 1 listed. See http://www.uceprotect.net/rblcheck.php?ipr=191.250.203.154; from=<REDACTED@REDACTED> to=<REDACTED@REDACTED> proto=ESMTP helo=<191.250.203.154.dynamic.adsl.gvt.net.br> show less	Email Spam
🇩🇪 hbrks	2026-06-29 11:19:53 (2 days ago)	PMG Antispam: IP listed on aggressive DNSBL	Brute-Force
🇬🇧 Joe-Mark	2026-06-22 09:13:37 (1 week ago)	Rejected on IP Reputation - Mcafee Exchange Plug-in (102)	Email Spam
🇳🇱 soverin	2026-06-21 23:08:05 (1 week ago)	spam	Email Spam
🇸🇮 bolasic	2026-06-19 21:15:20 (1 week ago)	Sent mail with a forged sender address for our own domain (SPF hard fail: From address claims mojint ... show more Sent mail with a forged sender address for our own domain (SPF hard fail: From address claims mojinter.net/kmalu.com but the sending IP is not authorized to send for that domain). Service: SMTP-IN, Time: 2026-06-19%2023:15:15. Blocked by axiban on mail.kmalu.com / mojinter.net. show less	Brute-Force
🇨🇭 Origon	2026-06-17 14:44:33 (2 weeks ago)	NOQUEUE - IP: 191.250.203.154 - Jun 17 16:44:33 plesk postfix/smtpd[1683650]: NOQUEUE: reject: RCPT ... show more NOQUEUE - IP: 191.250.203.154 - Jun 17 16:44:33 plesk postfix/smtpd[1683650]: NOQUEUE: reject: RCPT from unknown[191.250.203.154]: 554 5.7.1 Service unavailable; Client host [191.250.203.154] blocked using dnsbl-1.uceprotect.net; IP 191.250.203.154 is UCEPROTECT-Level 1 listed. See http://www.uceprotect.net/rblcheck.php?ipr=191.250.203.154; from=<REDACTED@REDACTED> to=<REDACTED@REDACTED> proto=ESMTP helo=<191.250.203.154.dynamic.adsl.gvt.net.br> show less	Email Spam
🇨🇭 Origon	2026-06-10 23:02:33 (3 weeks ago)	NOQUEUE - IP: 191.250.203.154 - Jun 11 01:02:33 plesk postfix/smtpd[2566469]: NOQUEUE: reject: RCPT ... show more NOQUEUE - IP: 191.250.203.154 - Jun 11 01:02:33 plesk postfix/smtpd[2566469]: NOQUEUE: reject: RCPT from unknown[191.250.203.154]: 554 5.7.1 Service unavailable; Client host [191.250.203.154] blocked using dnsbl-3.uceprotect.net; Your ISP TELEFONICA BRASIL S.A, BR/AS18881 is UCEPROTECT-Level3 listed because of a spamscore of 80.2. See: http://www.uceprotect.net/rblcheck.php?ipr=191.250.203.154; from=<REDACTED@REDACTED> to=<REDACTED@REDACTED> proto=ESMTP helo=<191.250.203.154.dynamic.adsl.gvt.net.br> show less	Email Spam
🇨🇭 Origon	2026-06-01 17:49:37 (1 month ago)	NOQUEUE - IP: 191.250.203.154 - Jun 1 19:49:37 plesk postfix/smtpd[3536404]: NOQUEUE: reject: RCPT ... show more NOQUEUE - IP: 191.250.203.154 - Jun 1 19:49:37 plesk postfix/smtpd[3536404]: NOQUEUE: reject: RCPT from unknown[191.250.203.154]: 554 5.7.1 Service unavailable; Client host [191.250.203.154] blocked using dnsbl-1.uceprotect.net; IP 191.250.203.154 is UCEPROTECT-Level 1 listed. See http://www.uceprotect.net/rblcheck.php?ipr=191.250.203.154; from=<REDACTED@REDACTED> to=<REDACTED@REDACTED> proto=ESMTP helo=<191.250.203.154> show less	Email Spam
🇨🇭 Origon	2026-05-29 16:45:21 (1 month ago)	NOQUEUE - IP: 191.250.203.154 - May 29 18:45:21 plesk postfix/smtpd[1246276]: NOQUEUE: reject: RCPT ... show more NOQUEUE - IP: 191.250.203.154 - May 29 18:45:21 plesk postfix/smtpd[1246276]: NOQUEUE: reject: RCPT from unknown[191.250.203.154]: 554 5.7.1 Service unavailable; Client host [191.250.203.154] blocked using dnsbl-1.uceprotect.net; IP 191.250.203.154 is UCEPROTECT-Level 1 listed. See http://www.uceprotect.net/rblcheck.php?ipr=191.250.203.154; from=<REDACTED@REDACTED> to=<REDACTED@REDACTED> proto=ESMTP helo=<191.250.203.154.dynamic.adsl.gvt.net.br> show less	Email Spam
🇩🇪 Viveronese	2026-05-28 21:57:23 (1 month ago)	SASL LOGIN authentication failed	Brute-Force
🇩🇪 NewGastroline	2026-05-27 16:35:21 (1 month ago)	Malicious request blocked by CrowdSec on gastro-prod1.boreus.de	Bad Web Bot Web App Attack
🇩🇪 filstal.org	2026-05-27 13:26:43 (1 month ago)	CrowdSec-Report: crowdsecurity/postfix-helo-rejected	Email Spam Brute-Force
🇨🇭 Origon	2026-05-26 13:59:44 (1 month ago)	NOQUEUE - IP: 191.250.203.154 - May 26 15:58:43 plesk postfix/smtpd[3189802]: NOQUEUE: reject: RCPT ... show more NOQUEUE - IP: 191.250.203.154 - May 26 15:58:43 plesk postfix/smtpd[3189802]: NOQUEUE: reject: RCPT from unknown[191.250.203.154]: 554 5.7.1 Service unavailable; Client host [191.250.203.154] blocked using dnsbl-1.uceprotect.net; IP 191.250.203.154 is UCEPROTECT-Level 1 listed. See http://www.uceprotect.net/rblcheck.php?ipr=191.250.203.154; from=<REDACTED@REDACTED> to=<REDACTED@REDACTED> proto=ESMTP helo=<191.250.203.154.dynamic.adsl.gvt.net.br> show less	Email Spam
🇪🇸 librebit	2026-05-22 03:33:29 (1 month ago)	Listed IP in blacklist by postfix/dnsblog	Spoofing

Showing 1 to 15 of 87 reports

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