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AbuseIPDB » 77.42.16.53

77.42.16.53 was found in our database!

This IP was reported 32 times. Confidence of Abuse is 25%: ?

25%

ISP	Hetzner Online GmbH
Usage Type	Data Center/Web Hosting/Transit
ASN	AS24940
Hostname(s)	static.53.16.42.77.clients.your-server.de
Domain Name	hetzner.com
Country	🇫🇮 Finland
City	Helsinki, Uusimaa

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

Report 77.42.16.53

Whois 77.42.16.53

IP Abuse Reports for 77.42.16.53:

This IP address has been reported a total of 32 times from 12 distinct sources. 77.42.16.53 was first reported on April 17th 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
🇸🇬 Sean64	2026-04-19 05:44:40 (1 month ago)	2026-04-19T13:06:20.391531+08:00 sean.taipei auth[796432]: pam_unix(dovecot:auth): authentication fa ... show more 2026-04-19T13:06:20.391531+08:00 sean.taipei auth[796432]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot [email protected] rhost=77.42.16.53 2026-04-19T13:25:29.880025+08:00 sean.taipei auth[817303]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot [email protected] rhost=77.42.16.53 2026-04-19T13:44:39.494554+08:00 sean.taipei auth[835981]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot [email protected] rhost=77.42.16.53 ... show less	Email Spam Brute-Force
🇫🇷 Campus France	2026-04-19 04:43:11 (1 month ago)	2026-04-19T03:50:38.487084+02:00 server9 dovecot[3715650]: imap-login: Disconnected: Connection clos ... show more 2026-04-19T03:50:38.487084+02:00 server9 dovecot[3715650]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=77.42.16.53, lip=62.210.65.21, TLS, session=<BHOUaMZP2olNKhA1> 2026-04-19T04:09:48.092003+02:00 server9 dovecot[3715650]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=77.42.16.53, lip=62.210.65.21, TLS, session=<BR8arcZPXpJNKhA1> 2026-04-19T04:28:57.482526+02:00 server9 dovecot[3715650]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=77.42.16.53, lip=62.210.65.21, TLS, session=<xGqc8cZPto9NKhA1> 2026-04-19T04:48:08.312986+02:00 server9 dovecot[3715650]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=77.42.16.53, lip=62.210.65.21, TLS, session=<uAotNsdP2o ... show less	Brute-Force Exploited Host
🇫🇷 Campus France	2026-04-19 00:34:02 (1 month ago)	2026-04-18T23:41:49.184231+02:00 server9 dovecot[3715650]: imap-login: Disconnected: Connection clos ... show more 2026-04-18T23:41:49.184231+02:00 server9 dovecot[3715650]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=77.42.16.53, lip=62.210.65.21, TLS, session=<OL2x7sJPErxNKhA1> 2026-04-19T00:00:55.148469+02:00 server9 dovecot[3715650]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=77.42.16.53, lip=62.210.65.21, TLS, session=<cGcHM8NPSsdNKhA1> 2026-04-19T00:20:03.276644+02:00 server9 dovecot[3715650]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=77.42.16.53, lip=62.210.65.21, TLS, session=<FdVud8NPNLlNKhA1> 2026-04-19T00:39:12.271682+02:00 server9 dovecot[3715650]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=77.42.16.53, lip=62.210.65.21, TLS, session=<Firru8NPeu ... show less	Brute-Force Exploited Host
🇸🇬 Sean64	2026-04-18 23:02:20 (1 month ago)	2026-04-19T06:24:00.725075+08:00 sean.taipei auth[362274]: pam_unix(dovecot:auth): authentication fa ... show more 2026-04-19T06:24:00.725075+08:00 sean.taipei auth[362274]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot [email protected] rhost=77.42.16.53 2026-04-19T06:43:10.504971+08:00 sean.taipei auth[383361]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot [email protected] rhost=77.42.16.53 2026-04-19T07:02:19.721559+08:00 sean.taipei auth[404585]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot [email protected] rhost=77.42.16.53 ... show less	Email Spam Brute-Force
🇩🇪 eebh.hu	2026-04-18 22:20:46 (1 month ago)	Apr 19 00:20:46 mail dovecot: imap-login: Disconnected (auth failed, 1 attempts in 2 secs): user=<po ... show more Apr 19 00:20:46 mail dovecot: imap-login: Disconnected (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=77.42.16.53, lip=194.36.88.23, TLS, session=<wjYDesNPpq9NKhA1> ... show less	Brute-Force
🇳🇱 e.fierstra	2026-04-18 22:17:09 (1 month ago)	Failed IMAP logins over 24h	Brute-Force
🇫🇷 Campus France	2026-04-18 20:25:22 (1 month ago)	2026-04-18T19:33:37.145643+02:00 server9 dovecot[3715650]: imap-login: Disconnected: Connection clos ... show more 2026-04-18T19:33:37.145643+02:00 server9 dovecot[3715650]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=77.42.16.53, lip=62.210.65.21, TLS, session=<UvgWd79PFsxNKhA1> 2026-04-18T19:52:40.445813+02:00 server9 dovecot[3715650]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=77.42.16.53, lip=62.210.65.21, TLS, session=<OLg0u79P4NhNKhA1> 2026-04-18T20:11:44.242117+02:00 server9 dovecot[3715650]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=77.42.16.53, lip=62.210.65.21, TLS, session=<3Y1h/79PLJxNKhA1> 2026-04-18T20:30:47.382523+02:00 server9 dovecot[3715650]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=77.42.16.53, lip=62.210.65.21, TLS, session=<Cj+MQ8BPBr5NK ... show less	Brute-Force Exploited Host
🇸🇬 Sean64	2026-04-18 16:21:18 (1 month ago)	2026-04-18T23:43:06.955792+08:00 sean.taipei auth[4117485]: pam_unix(dovecot:auth): authentication f ... show more 2026-04-18T23:43:06.955792+08:00 sean.taipei auth[4117485]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot [email protected] rhost=77.42.16.53 2026-04-19T00:02:11.721085+08:00 sean.taipei auth[4137386]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot [email protected] rhost=77.42.16.53 2026-04-19T00:21:17.624707+08:00 sean.taipei auth[4159313]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot [email protected] rhost=77.42.16.53 ... show less	Email Spam Brute-Force
🇫🇷 Campus France	2026-04-18 16:17:20 (1 month ago)	2026-04-18T15:30:44.114854+02:00 server9 dovecot[3715650]: imap-login: Disconnected: Connection clos ... show more 2026-04-18T15:30:44.114854+02:00 server9 dovecot[3715650]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=77.42.16.53, lip=62.210.65.21, TLS, session=<9yx4ErxPvohNKhA1> 2026-04-18T15:49:02.271633+02:00 server9 dovecot[3715650]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=77.42.16.53, lip=62.210.65.21, TLS, session=<YLjsU7xP1IdNKhA1> 2026-04-18T16:06:58.107358+02:00 server9 dovecot[3715650]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=77.42.16.53, lip=62.210.65.21, TLS, session=<vpoMlLxPpJNNKhA1> 2026-04-18T16:24:54.056431+02:00 server9 dovecot[3715650]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=77.42.16.53, lip=62.210.65.21, TLS, session=<6bgm1LxPCot ... show less	Brute-Force Exploited Host
🇫🇷 Campus France	2026-04-18 12:14:17 (1 month ago)	2026-04-18T11:22:05.505455+02:00 server9 dovecot[3715650]: imap-login: Disconnected: Connection clos ... show more 2026-04-18T11:22:05.505455+02:00 server9 dovecot[3715650]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=77.42.16.53, lip=62.210.65.21, TLS, session=<c4I4mbhPBuJNKhA1> 2026-04-18T11:41:12.536341+02:00 server9 dovecot[3715650]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=77.42.16.53, lip=62.210.65.21, TLS, session=<BeaW3bhPVsxNKhA1> 2026-04-18T12:00:21.045698+02:00 server9 dovecot[3715650]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=77.42.16.53, lip=62.210.65.21, TLS, session=<JmITIrlPtOFNKhA1> 2026-04-18T12:19:29.068457+02:00 server9 dovecot[3715650]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=77.42.16.53, lip=62.210.65.21, TLS, session=<Er+AZrlPr ... show less	Brute-Force Exploited Host
🇸🇬 Sean64	2026-04-18 09:26:04 (1 month ago)	2026-04-18T16:47:48.466295+08:00 sean.taipei auth[3663549]: pam_unix(dovecot:auth): authentication f ... show more 2026-04-18T16:47:48.466295+08:00 sean.taipei auth[3663549]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot [email protected] rhost=77.42.16.53 2026-04-18T17:06:56.699077+08:00 sean.taipei auth[3684437]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot [email protected] rhost=77.42.16.53 2026-04-18T17:26:03.500384+08:00 sean.taipei auth[3705440]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot [email protected] rhost=77.42.16.53 ... show less	Email Spam Brute-Force
🇫🇷 Campus France	2026-04-18 08:05:36 (1 month ago)	2026-04-18T07:13:18.094103+02:00 server9 dovecot[3715650]: imap-login: Disconnected: Connection clos ... show more 2026-04-18T07:13:18.094103+02:00 server9 dovecot[3715650]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=77.42.16.53, lip=62.210.65.21, TLS, session=<bjZ7H7VPfr1NKhA1> 2026-04-18T07:32:28.229899+02:00 server9 dovecot[3715650]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=77.42.16.53, lip=62.210.65.21, TLS, session=<dRcIZLVPoqdNKhA1> 2026-04-18T07:51:37.162222+02:00 server9 dovecot[3715650]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=77.42.16.53, lip=62.210.65.21, TLS, session=<gFeDqLVPrsBNKhA1> 2026-04-18T08:10:45.330810+02:00 server9 dovecot[3715650]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=77.42.16.53, lip=62.210.65.21, TLS, session=<DKr67LVPJNBNKhA1> ... show less	Brute-Force Exploited Host
🇫🇷 Campus France	2026-04-18 03:56:44 (1 month ago)	2026-04-18T03:04:11.515215+02:00 server9 dovecot[3715650]: imap-login: Disconnected: Connection clos ... show more 2026-04-18T03:04:11.515215+02:00 server9 dovecot[3715650]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=77.42.16.53, lip=62.210.65.21, TLS, session=<TqeXpLFPVptNKhA1> 2026-04-18T03:23:21.378774+02:00 server9 dovecot[3715650]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=77.42.16.53, lip=62.210.65.21, TLS, session=<yioh6bFPCLhNKhA1> 2026-04-18T03:42:32.108273+02:00 server9 dovecot[3715650]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=77.42.16.53, lip=62.210.65.21, TLS, session=<3pK/LbJPZtBNKhA1> 2026-04-18T04:01:45.106564+02:00 server9 dovecot[3715650]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=77.42.16.53, lip=62.210.65.21, TLS, session=<Wk1xcrJP/oNNKhA1> 202 ... show less	Brute-Force Exploited Host
🇸🇬 Sean64	2026-04-18 02:44:06 (1 month ago)	2026-04-18T10:05:43.507346+08:00 sean.taipei auth[3223514]: pam_unix(dovecot:auth): authentication f ... show more 2026-04-18T10:05:43.507346+08:00 sean.taipei auth[3223514]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot [email protected] rhost=77.42.16.53 2026-04-18T10:24:55.584335+08:00 sean.taipei auth[3244611]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot [email protected] rhost=77.42.16.53 2026-04-18T10:44:05.578551+08:00 sean.taipei auth[3265717]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot [email protected] rhost=77.42.16.53 ... show less	Email Spam Brute-Force
🇩🇪 eebh.hu	2026-04-18 02:02:28 (1 month ago)	Apr 18 04:02:28 mail dovecot: imap-login: Disconnected (auth failed, 1 attempts in 2 secs): user=<hr ... show more Apr 18 04:02:28 mail dovecot: imap-login: Disconnected (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=77.42.16.53, lip=194.36.88.23, TLS, session=<e5kHdbJPDpdNKhA1> ... show less	Brute-Force

Showing 1 to 15 of 32 reports

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