JavaScript is disabled. Some features of this site may not work properly. For a smoother experience, please enable JavaScript in your browser settings.

AbuseIPDB » 203.189.141.156

203.189.141.156 was found in our database!

This IP was reported 22 times. Confidence of Abuse is 45%: ?

45%

ISP	Cogetel Ltd, Online ISP, Cambodia
Usage Type	Fixed Line ISP
ASN	AS23673
Hostname(s)	headquarter.online.com.kh
Domain Name	online.com.kh
Country	🇰🇭 Cambodia
City	Phnom Penh, Phnom Penh

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

Report 203.189.141.156

Whois 203.189.141.156

IP Abuse Reports for 203.189.141.156:

This IP address has been reported a total of 22 times from 13 distinct sources. 203.189.141.156 was first reported on April 12th 2026, and the most recent report was 16 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
🇨🇭 Origon	2026-06-29 19:21:43 (16 hours ago)	NOQUEUE - IP: 203.189.141.156 - Jun 29 21:21:43 plesk postfix/smtpd[1204648]: NOQUEUE: reject: RCPT ... show more NOQUEUE - IP: 203.189.141.156 - Jun 29 21:21:43 plesk postfix/smtpd[1204648]: NOQUEUE: reject: RCPT from unknown[203.189.141.156]: 554 5.7.1 Service unavailable; Client host [203.189.141.156] blocked using dnsbl-1.uceprotect.net; IP 203.189.141.156 is UCEPROTECT-Level 1 listed. See http://www.uceprotect.net/rblcheck.php?ipr=203.189.141.156; from=<REDACTED@REDACTED> to=<REDACTED@REDACTED> proto=ESMTP helo=<headquarter.online.com.kh> show less	Email Spam
🇷🇸 Smel	2026-06-23 11:06:16 (1 week ago)	Mail/25/465/587-993/995 Probe, Reject, BadAuth, Hack, SPAM -	Email Spam Hacking Brute-Force
🇳🇱 soverin	2026-06-23 05:19:03 (1 week ago)	spam	Email Spam
🇨🇭 Origon	2026-06-17 13:48:11 (1 week ago)	NOQUEUE - IP: 203.189.141.156 - Jun 17 15:48:11 plesk postfix/smtpd[1600379]: NOQUEUE: reject: RCPT ... show more NOQUEUE - IP: 203.189.141.156 - Jun 17 15:48:11 plesk postfix/smtpd[1600379]: NOQUEUE: reject: RCPT from unknown[203.189.141.156]: 554 5.7.1 Service unavailable; Client host [203.189.141.156] blocked using dnsbl-1.uceprotect.net; IP 203.189.141.156 is UCEPROTECT-Level 1 listed. See http://www.uceprotect.net/rblcheck.php?ipr=203.189.141.156; from=<REDACTED@REDACTED> to=<REDACTED@REDACTED> proto=ESMTP helo=<headquarter.online.com.kh> show less	Email Spam
🇧🇷 tr-sre	2026-06-15 14:11:00 (2 weeks ago)		Email Spam Spoofing
🇬🇧 Joe-Mark	2026-06-15 09:15:17 (2 weeks ago)	Rejected on IP Reputation - Mcafee Exchange Plug-in (169)	Email Spam
🇷🇸 Smel	2026-06-14 05:36:17 (2 weeks ago)	Mail/25/465/587-993/995 Probe, Reject, BadAuth, Hack, SPAM -	Email Spam Hacking Brute-Force
🇨🇭 Origon	2026-06-11 14:24:24 (2 weeks ago)	NOQUEUE - IP: 203.189.141.156 - Jun 11 16:24:24 plesk postfix/smtpd[3622119]: NOQUEUE: reject: RCPT ... show more NOQUEUE - IP: 203.189.141.156 - Jun 11 16:24:24 plesk postfix/smtpd[3622119]: NOQUEUE: reject: RCPT from unknown[203.189.141.156]: 554 5.7.1 Service unavailable; Client host [203.189.141.156] blocked using dnsbl-2.uceprotect.net; Net 203.189.128.0/19 is UCEPROTECT-Level2 listed because 70 impacts are seen from ONLINE-AS Cogetel Online, Cambodia, ISP, KH/AS23673 there. See: http://www.uceprotect.net/rblcheck.php?ipr=203.189.141.156; from=<REDACTED@REDACTED> to=<REDACTED@REDACTED> proto=ESMTP helo=<[203.189.141.156]> show less	Email Spam
Anonymous	2026-06-11 12:17:03 (2 weeks ago)	Unauthorized login attempts via SMTP.	Brute-Force Email Spam
🇬🇧 PeravixGroup	2026-06-08 12:43:21 (3 weeks ago)	Honeypot detection: Web application scanning / reconnaissance attempt on port 8080. Severity: LOW. A ... show more Honeypot detection: Web application scanning / reconnaissance attempt on port 8080. Severity: LOW. Aaran.cloud show less	Port Scan Bad Web Bot
🇨🇿 interconnect.cz	2026-06-07 19:21:39 (3 weeks ago)	[07/Jun/2026 21:21:38] IP address 203.189.141.156 found in DNS blacklist SpamHaus SBL-XBL, mail from ... show more [07/Jun/2026 21:21:38] IP address 203.189.141.156 found in DNS blacklist SpamHaus SBL-XBL, mail from <[email protected]> to <[email protected]> [07/Jun/2026 21:21:38] IP address 203.189.141.156 found in DNS blacklist SpamHaus SBL-XBL, mail from <[email protected]> to <[email protected]> [07/Jun/2026 21:21:38] Attempt to deliver to unknown recipient <[email protected]>, from <[email protected]>, IP address 203.189.141.156 ... show less	Brute-Force Email Spam
🇨🇭 Origon	2026-06-01 18:40:51 (4 weeks ago)	NOQUEUE - IP: 203.189.141.156 - Jun 1 20:40:51 plesk postfix/smtpd[3602194]: NOQUEUE: reject: RCPT ... show more NOQUEUE - IP: 203.189.141.156 - Jun 1 20:40:51 plesk postfix/smtpd[3602194]: NOQUEUE: reject: RCPT from unknown[203.189.141.156]: 554 5.7.1 Service unavailable; Client host [203.189.141.156] blocked using dnsbl-1.uceprotect.net; IP 203.189.141.156 is UCEPROTECT-Level 1 listed. See http://www.uceprotect.net/rblcheck.php?ipr=203.189.141.156; from=<REDACTED@REDACTED> to=<REDACTED@REDACTED> proto=ESMTP helo=<headquarter.online.com.kh> show less	Email Spam
🇩🇪 Viveronese	2026-05-31 10:32:32 (4 weeks ago)	SASL LOGIN authentication failed	Brute-Force
🇩🇪 Viveronese	2026-05-29 16:41:12 (1 month ago)	SASL LOGIN authentication failed	Brute-Force
🇨🇭 Origon	2026-05-29 15:58:20 (1 month ago)	NOQUEUE - IP: 203.189.141.156 - May 29 17:58:20 plesk postfix/smtpd[1169162]: NOQUEUE: reject: RCPT ... show more NOQUEUE - IP: 203.189.141.156 - May 29 17:58:20 plesk postfix/smtpd[1169162]: NOQUEUE: reject: RCPT from unknown[203.189.141.156]: 554 5.7.1 Service unavailable; Client host [203.189.141.156] blocked using dnsbl-1.uceprotect.net; IP 203.189.141.156 is UCEPROTECT-Level 1 listed. See http://www.uceprotect.net/rblcheck.php?ipr=203.189.141.156; from=<REDACTED@REDACTED> to=<REDACTED@REDACTED> proto=ESMTP helo=<headquarter.online.com.kh> show less	Email Spam

Showing 1 to 15 of 22 reports

Think this IP has been falsely reported? You may request to have the associated reports reviewed and removed. Request Takedown 🚩

Recently Reported IPs:

🇺🇸 2607:f8b0:4001:c6a::129

🇧🇷 205.210.31.161

🇨🇳 117.170.66.170

🇸🇬 101.47.156.21

🇩🇪 46.101.233.210

🇳🇱 45.156.87.34

🇨🇳 223.90.186.156

🇮🇳 210.79.148.234

🇸🇾 185.225.41.192

🇺🇸 66.29.155.30

🇳🇱 45.156.87.204

🇺🇸 45.45.237.176

🇧🇦 31.176.136.255

🇺🇸 172.253.214.16

🇸🇬 167.172.81.52

🇨🇦 138.197.130.251

🇬🇧 2a06:4880::3

🇲🇽 187.191.48.4

🇨🇳 120.25.164.145

🇰🇷 118.33.113.91