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AbuseIPDB » 91.234.137.192

91.234.137.192

Recent Activity

24 reports found in our database

71% ▲ ▲ ▲ Elevated

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ISP

PP Dmutrashko Evgeny Vitalievich

Usage Type

Fixed Line ISP

ASN

AS197218

Domain Name

Unknown

Country

🇺🇦 Ukraine

City

Hlyboka, Chernivtsi

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

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IP Abuse Reports for 91.234.137.192:

This IP address has been reported a total of 24 times from 20 distinct sources. 91.234.137.192 was first reported on June 14th 2026, and the most recent report was 14 hours ago. In the last 60 days, the top reporter locations were: Germany with 5 reports; Indonesia with 3 reports; United Kingdom of Great Britain and Northern Ireland with 2 reports. The most common categories in these recent reports were: Brute-Force 18 times; Email Spam 5 times; Hacking 4 times; Web App Attack 4 times; SSH 2 times; Other 3 times.

Reporter	IoA Timestamp (UTC)	Comment	Categories
Anonymous	2026-08-29 10:48:46 (14 hours ago)	2026-08-29 07:30:53,800 INFO [ImapSSLServer-125] [ip=192.168.1.235;oip=91.234.137.192;via=192.168.1 ... show more 2026-08-29 07:30:53,800 INFO [ImapSSLServer-125] [ip=192.168.1.235;oip=91.234.137.192;via=192.168.1.235(nginx/1.20.0);ua=Zimbra/8.8.15_GA_4717;cid=1349;] imap - authentication failed for [[email protected]] (invalid password) 2026-08-29 07:30:53,800 INFO [ImapSSLServer-125] [ip=192.168.1.235;oip=91.234.137.192;via=192.168.1.235(nginx/1.20.0);ua=Zimbra/8.8.15_GA_4717;cid=1349;] account - Error occurred during authentication: authentication failed for [[email protected]]. Reason: invalid password. 2026-08-29 10:48:45,217 INFO [ImapSSLServer-138] [ip=192.168.1.235;oip=91.234.137.192;via=192.168.1.235(nginx/1.20.0);ua=Zimbra/8.8.15_GA_4717;cid=1425;] account - Error occurred during authentication: authentication failed for [[email protected]]. Reason: invalid password. 2026-08-29 10:48:45,218 INFO [ImapSSLServer-138] [ip=192.168.1.235;oip=91.234.137.192;via=192.168.1.235(nginx/1.20.0);ua=Zimbra/8.8.15_GA_4717;cid=1425;] imap - authentication failed for [[email protected]] (in ... show less	Brute-Force Web App Attack
🇬🇧 venus.launch.bz	2026-08-28 16:09:47 (1 day ago)	(imapd) Failed IMAP login from 91.234.137.192 (UA/Ukraine/-)	Brute-Force
🇩🇪 jasperedv.de	2026-08-28 12:17:26 (1 day ago)	Failed IMAP Login - Brutforcing	Email Spam Brute-Force
Anonymous	2026-08-28 12:10:40 (1 day ago)	3 Login Attempts	Port Scan Brute-Force
🇩🇪 filstal.org	2026-08-28 08:55:35 (1 day ago)	Brute-force/Enumeration: Multiple login attempts for non-existent mail accounts (Honeytrap).	Email Spam Brute-Force
🇨🇿 interconnect.cz	2026-08-28 02:36:26 (1 day ago)	[28/Aug/2026 04:36:09] IMAP: Authentication failed for user [email protected]. Attempt from IP ... show more [28/Aug/2026 04:36:09] IMAP: Authentication failed for user [email protected]. Attempt from IP address 91.234.137.192. External authentication service rejected authentication due to invalid password or authentication restriction. [28/Aug/2026 04:36:18] IMAP: Authentication failed for user [email protected]. Attempt from IP address 91.234.137.192. External authentication service rejected authentication due to invalid password or authentication restriction. [28/Aug/2026 04:36:25] IMAP: Authentication failed for user [email protected]. Attempt from IP address 91.234.137.192. External authentication service rejected authentication due to invalid password or authentication restriction. ... show less	Brute-Force Email Spam
🇿🇦 hostsec_za	2026-08-27 19:20:05 (2 days ago)	IMAP/POP3 Auth Attack. 10 failed logins in 6 hours.	Brute-Force
🇩🇪 initsol	2026-08-27 19:06:51 (2 days ago)	2026-08-27T21:06:34.533495+02:00 phoenix auth[143867]: pam_unix(dovecot:auth): authentication failur ... show more 2026-08-27T21:06:34.533495+02:00 phoenix auth[143867]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot [email protected] rhost=91.234.137.192 2026-08-27T21:06:43.031079+02:00 phoenix auth[143991]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot [email protected] rhost=91.234.137.192 2026-08-27T21:06:50.613234+02:00 phoenix auth[143991]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot [email protected] rhost=91.234.137.192 ... show less	Brute-Force
🇵🇦 iphezimbra	2026-08-27 15:56:35 (2 days ago)	Fail2Ban reported IP from jail zimbra-web on <hostname>	Brute-Force SSH
Anonymous	2026-08-27 12:42:00 (2 days ago)	Authentication failure	Brute-Force
🇫🇷 iroco.co	2026-08-27 11:18:13 (2 days ago)	Aug 27 13:18:12 iroco cyrus/imap[2538713]: badlogin: [91.234.137.192] plaintext (winner_info9@iroco. ... show more Aug 27 13:18:12 iroco cyrus/imap[2538713]: badlogin: [91.234.137.192] plaintext ([email protected]) [SASL(-13): authentication failure: checkpass failed] ... show less	Email Spam
🇮🇩 sockominfo	2026-07-13 03:00:52 (1 month ago)	Zimbra: Login failures from malicious IP: 91.234.137.192. Threat Score: 6.2/10 (MEDIUM). Confidence: ... show more Zimbra: Login failures from malicious IP: 91.234.137.192. Threat Score: 6.2/10 (MEDIUM). Confidence: 40%. CVSS v3.1: 4.6/10 (Medium). CVSS Vector: CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L. Bayesian Probability: 77%. MITRE ATT&CK: T1083 (File and Directory Discovery). Tactic: TA0001. Freshness: Fresh. Source Reputation: UNKNOWN. Methodology: CVSS 3.1 + Bayesian + Temporal + Environmental + MITRE ATT&CK + OWASP. Standards: ISO/IEC 27065:2022, NIST SP 800-30, IEEE S&P 2020. Reported by TangerangKota-CSIRT. Status: MALICIOUS show less	Hacking Web App Attack
🇮🇩 sockominfo	2026-07-13 02:00:52 (1 month ago)	Zimbra: Login failures from malicious IP: 91.234.137.192. Threat Score: 6.3/10 (MEDIUM). Confidence: ... show more Zimbra: Login failures from malicious IP: 91.234.137.192. Threat Score: 6.3/10 (MEDIUM). Confidence: 40%. CVSS v3.1: 4.6/10 (Medium). CVSS Vector: CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L. Bayesian Probability: 77%. MITRE ATT&CK: T1083 (File and Directory Discovery). Tactic: TA0001. Freshness: Fresh. Source Reputation: UNKNOWN. Methodology: CVSS 3.1 + Bayesian + Temporal + Environmental + MITRE ATT&CK + OWASP. Standards: ISO/IEC 27065:2022, NIST SP 800-30, IEEE S&P 2020. Reported by TangerangKota-CSIRT. Status: MALICIOUS show less	Hacking Web App Attack
🇮🇩 sockominfo	2026-07-13 01:00:09 (1 month ago)	Zimbra: Login failures from malicious IP: 91.234.137.192. Threat Score: 5.5/10 (MEDIUM). Reported by ... show more Zimbra: Login failures from malicious IP: 91.234.137.192. Threat Score: 5.5/10 (MEDIUM). Reported by TangerangKota-CSIRT show less	Hacking Web App Attack
🇬🇧 D3monite	2026-07-12 05:00:19 (1 month ago)	Attempted Brute Force (dovecot)	Brute-Force

Showing 1 to 15 of 24 reports

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