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AbuseIPDB » 81.88.34.74

81.88.34.74 was found in our database!

This IP was reported 27 times. Confidence of Abuse is 100%: ?

100%

ISP	dogado GmbH
Usage Type	Data Center/Web Hosting/Transit
ASN	AS45012
Hostname(s)	host182.alfahosting-server.de
Domain Name	dogado.de
Country	🇩🇪 Germany
City	Leipzig, Saxony

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

Report 81.88.34.74

Whois 81.88.34.74

IP Abuse Reports for 81.88.34.74:

This IP address has been reported a total of 27 times from 23 distinct sources. 81.88.34.74 was first reported on June 4th 2026, 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
🇳🇱 Godert Jan van Manen	2026-06-18 12:17:59 (2 days ago)	Jun 18 14:08:06 odin dovecot: auth-worker(20585): sql([email protected],81.88.34.74,<ETxjB4ZUhkRRWCJK> ... show more Jun 18 14:08:06 odin dovecot: auth-worker(20585): sql([email protected],81.88.34.74,<ETxjB4ZUhkRRWCJK>): unknown user Jun 18 14:08:08 odin dovecot: pop3-login: Disconnected (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=81.88.34.74, lip=178.162.131.122, session=<ETxjB4ZUhkRRWCJK> Jun 18 14:10:51 odin dovecot: auth-worker(20585): sql([email protected],81.88.34.74,<I1w2EYZUQK9RWCJK>): unknown user Jun 18 14:10:53 odin dovecot: pop3-login: Disconnected (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=81.88.34.74, lip=178.162.131.122, session=<I1w2EYZUQK9RWCJK> Jun 18 14:17:58 odin dovecot: auth-worker(20585): sql([email protected],81.88.34.74,<DWarKoZUwA5RWCJK>): unknown user show less	Brute-Force
🇫🇷 Batz	2026-06-18 12:11:47 (2 days ago)	[81.88.34.74] Multiple Dovecot Login Attempts	Brute-Force Hacking Port Scan
🇩🇪 onlyops.app	2026-06-18 12:00:12 (2 days ago)	Repeated failed login attempts against Dovecot (IMAP/POP3) \| detected by Fail2Ban (plesk-dovecot jai ... show more Repeated failed login attempts against Dovecot (IMAP/POP3) \| detected by Fail2Ban (plesk-dovecot jail) \| onlyops.app show less	Web Spam
🇳🇱 Godert Jan van Manen	2026-06-18 11:34:14 (2 days ago)	Jun 18 13:29:23 odin dovecot: auth-worker(20585): sql([email protected],81.88.34.74,<YvvyfIVUYtFR ... show more Jun 18 13:29:23 odin dovecot: auth-worker(20585): sql([email protected],81.88.34.74,<YvvyfIVUYtFRWCJK>): unknown user Jun 18 13:29:25 odin dovecot: pop3-login: Disconnected (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=81.88.34.74, lip=178.162.131.122, session=<YvvyfIVUYtFRWCJK> Jun 18 13:32:06 odin dovecot: auth-worker(20585): sql([email protected],81.88.34.74,<KwiihoVUZMlRWCJK>): unknown user Jun 18 13:32:08 odin dovecot: pop3-login: Disconnected (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=81.88.34.74, lip=178.162.131.122, session=<KwiihoVUZMlRWCJK> Jun 18 13:34:13 odin dovecot: auth-worker(20585): sql([email protected],81.88.34.74,<Eek1joVUmPhRWCJK>): unknown user show less	Brute-Force
🇮🇹 abuseiphack	2026-06-18 11:15:49 (2 days ago)	Automatic report for brute force attack	Brute-Force
🇺🇸 Runlevel0	2026-06-18 11:07:45 (2 days ago)	Too many failed attempts / attacks from 81.88.34.74	Brute-Force Port Scan Email Spam
🇦🇹 AustrianSimon	2026-06-18 11:02:36 (2 days ago)	18 Jun 2026 11:02:35UTC:Distributed Brute Force Password Attack (smtp, ftp, imap, pop, ssh) includin ... show more 18 Jun 2026 11:02:35UTC:Distributed Brute Force Password Attack (smtp, ftp, imap, pop, ssh) including ip address 81.88.34.74 show less	Brute-Force
🇩🇪 ecs.ge	2026-06-18 10:58:56 (2 days ago)	Automatic Fail2Ban report from jail plesk-dovecot: multiple matching events detected.	Brute-Force
Anonymous	2026-06-18 10:51:23 (2 days ago)	(PERMBLOCK) 81.88.34.74 (DE/Germany/-) has had more than 4 temp blocks in the last 86400 secs; Ports ... show more (PERMBLOCK) 81.88.34.74 (DE/Germany/-) has had more than 4 temp blocks in the last 86400 secs; Ports: *; Direction: inout; Trigger: LF_PERMBLOCK_COUNT; Logs: show less	Brute-Force
🇬🇧 Mendip_Defender	2026-06-18 10:22:13 (2 days ago)	Jun 18 10:16:51 jackstringer dovecot: pop3-login: Login aborted: Connection closed (auth failed, 1 a ... show more Jun 18 10:16:51 jackstringer dovecot: pop3-login: Login aborted: Connection closed (auth failed, 1 attempts in 2 secs) (auth_failed): user=<[email protected]>, method=PLAIN, rip=81.88.34.74, lip=188.246.206.60, session=<Pw/PooNUTiZRWCJK> Jun 18 11:22:07 jackstringer dovecot: pop3-login: Login aborted: Connection closed (auth failed, 1 attempts in 2 secs) (auth_failed): user=<[email protected]>, method=PLAIN, rip=81.88.34.74, lip=188.246.206.60, session=<WFg+jIRUmBdRWCJK> ... show less	Brute-Force
🇧🇷 dominioz	2026-06-18 09:59:40 (2 days ago)	81.88.34.74 [2464] 06:47:10 Authentication [POP3] - Result=0, [email protected], Method= ... show more 81.88.34.74 [2464] 06:47:10 Authentication [POP3] - Result=0, [email protected], Method=0 81.88.34.74 [2B94] 06:59:39 Authentication [POP3] - Result=0, [email protected], Method=0 ... show less	Brute-Force
🇳🇱 Godert Jan van Manen	2026-06-18 09:49:46 (2 days ago)	Jun 18 11:43:44 odin dovecot: auth-worker(20585): sql([email protected],81.88.34.74,<1oIVA4RUdD5RWC ... show more Jun 18 11:43:44 odin dovecot: auth-worker(20585): sql([email protected],81.88.34.74,<1oIVA4RUdD5RWCJK>): unknown user Jun 18 11:43:46 odin dovecot: pop3-login: Disconnected (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=81.88.34.74, lip=178.162.131.122, session=<1oIVA4RUdD5RWCJK> Jun 18 11:43:57 odin dovecot: auth-worker(20585): sql([email protected],81.88.34.74,<4x2gA4RUSt1RWCJK>): unknown user Jun 18 11:43:59 odin dovecot: pop3-login: Disconnected (auth failed, 1 attempts in 6 secs): user=<[email protected]>, method=PLAIN, rip=81.88.34.74, lip=178.162.131.122, session=<4x2gA4RUSt1RWCJK> Jun 18 11:49:40 odin dovecot: auth-worker(20585): sql([email protected],81.88.34.74,<B4pRGIRUZAxRWCJK>): unknown user Jun 18 11:49:42 odin dovecot: pop3-login: Disconnected (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=81.88.34.74, lip=178.162.131.122, session=<B4pRGIRUZAxRWCJK> show less	Brute-Force
🇨🇦 zXero	2026-06-18 09:17:08 (2 days ago)	Fail2Ban automatic report - jail: dovecot-iptables	Brute-Force SSH DDoS Attack
Anonymous	2026-06-18 08:05:24 (2 days ago)	POP or IMAP failed login attempts detected by Fail2Ban	Brute-Force
🇩🇪 XICTRON	2026-06-18 08:00:44 (2 days ago)	Email brute-force attempt detected by Fail2Ban in Dovecot jail	Brute-Force

Showing 1 to 15 of 27 reports

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