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AbuseIPDB » 139.155.104.136

139.155.104.136 was found in our database!

This IP was reported 37 times. Confidence of Abuse is 100%: ?

100%

ISP	Tencent cloud computing (Beijing) Co., Ltd.
Usage Type	Data Center/Web Hosting/Transit
ASN	AS45090
Domain Name	tencentcloud.com
Country	🇨🇳 China
City	Chengdu, Sichuan

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

Report 139.155.104.136

Whois 139.155.104.136

IP Abuse Reports for 139.155.104.136:

This IP address has been reported a total of 37 times from 28 distinct sources. 139.155.104.136 was first reported on June 22nd 2026, and the most recent report was 4 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
🇫🇷 Campus France	2026-06-24 01:48:56 (4 hours ago)	2026-06-24T00:13:37.552707+02:00 server9 dovecot[2212788]: imap-login: Disconnected: Connection clos ... show more 2026-06-24T00:13:37.552707+02:00 server9 dovecot[2212788]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=139.155.104.136, lip=62.210.65.21, TLS, session=<5Fv0EfNUNKKLm2iI> 2026-06-24T00:36:39.583045+02:00 server9 dovecot[2212788]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=139.155.104.136, lip=62.210.65.21, TLS, session=<nQxVZPNUSs+Lm2iI> 2026-06-24T01:00:04.586081+02:00 server9 dovecot[2212788]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=139.155.104.136, lip=62.210.65.21, TLS, session=<kKgTuPNUmsqLm2iI> 2026-06-24T01:24:05.768995+02:00 server9 dovecot[2212788]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=139.155.104.136, lip=62.210.65.21, TLS, session=<GcH1DfRUKpOL ... show less	Brute-Force Exploited Host
🇬🇧 openstrike.co.uk	2026-06-23 22:51:33 (7 hours ago)	Email auth failures (27)	Brute-Force
🇩🇪 FeG Deutschland	2026-06-23 21:02:05 (9 hours ago)	Mail: - login with unknown user - bruteforce	Brute-Force
🇫🇷 Campus France	2026-06-23 21:01:58 (9 hours ago)	2026-06-23T19:26:14.715370+02:00 server9 dovecot[2212788]: imap-login: Disconnected: Connection clos ... show more 2026-06-23T19:26:14.715370+02:00 server9 dovecot[2212788]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=139.155.104.136, lip=62.210.65.21, TLS, session=<DfcvDu9U7sOLm2iI> 2026-06-23T19:50:35.712409+02:00 server9 dovecot[2212788]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=139.155.104.136, lip=62.210.65.21, TLS, session=<c7RIZe9UjruLm2iI> 2026-06-23T20:14:51.584366+02:00 server9 dovecot[2212788]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=139.155.104.136, lip=62.210.65.21, TLS, session=<Pz8XvO9UdIKLm2iI> 2026-06-23T20:38:52.536671+02:00 server9 dovecot[2212788]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=139.155.104.136, lip=62.210.65.21, TLS, session=<PDX7EfBUGseLm2iI> ... show less	Brute-Force Exploited Host
🇷🇴 INTEQ	2026-06-23 20:52:27 (9 hours ago)	Brute force attack from 139.155.104.136	Brute-Force
🇫🇷 Campus France	2026-06-23 16:09:55 (14 hours ago)	2026-06-23T14:12:22.359160+02:00 server9 dovecot[2212788]: imap-login: Disconnected: Connection clos ... show more 2026-06-23T14:12:22.359160+02:00 server9 dovecot[2212788]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=139.155.104.136, lip=62.210.65.21, TLS, session=<MrG0q+pUnsyLm2iI> 2026-06-23T14:38:18.697158+02:00 server9 dovecot[2212788]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=139.155.104.136, lip=62.210.65.21, TLS, session=<p3SACOtUJtOLm2iI> 2026-06-23T15:04:29.404691+02:00 server9 dovecot[2212788]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=139.155.104.136, lip=62.210.65.21, TLS, session=<MQoYZutULOuLm2iI> 2026-06-23T15:30:37.084782+02:00 server9 dovecot[2212788]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 4 secs): user=<[email protected]>, method=PLAIN, rip=139.155.104.136, lip=62.210.65.21, TLS, session=<FNp7w+tUjJKLm2 ... show less	Brute-Force Exploited Host
🇫🇷 Campus France	2026-06-23 10:55:35 (19 hours ago)	2026-06-23T09:01:58.404458+02:00 server9 dovecot[2212788]: imap-login: Disconnected: Connection clos ... show more 2026-06-23T09:01:58.404458+02:00 server9 dovecot[2212788]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=139.155.104.136, lip=62.210.65.21, TLS, session=<RBGqVeZUhM+Lm2iI> 2026-06-23T09:28:31.367091+02:00 server9 dovecot[2212788]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=139.155.104.136, lip=62.210.65.21, TLS, session=<QjiftOZUtJGLm2iI> 2026-06-23T09:55:13.690756+02:00 server9 dovecot[2212788]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=139.155.104.136, lip=62.210.65.21, TLS, session=<lFEYFOdUpKKLm2iI> 2026-06-23T10:21:47.463626+02:00 server9 dovecot[2212788]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=139.155.104.136, lip=62.210.65.21, TLS, session=</q8Vc+dUH ... show less	Brute-Force Exploited Host
🇫🇷 Campus France	2026-06-23 05:43:11 (1 day ago)	2026-06-23T03:52:20.538339+02:00 server9 dovecot[2212788]: imap-login: Disconnected: Connection clos ... show more 2026-06-23T03:52:20.538339+02:00 server9 dovecot[2212788]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=139.155.104.136, lip=62.210.65.21, TLS, session=<y8RNAuJUwoGLm2iI> 2026-06-23T04:17:51.688707+02:00 server9 dovecot[2212788]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=139.155.104.136, lip=62.210.65.21, TLS, session=<LuqRXeJUytmLm2iI> 2026-06-23T04:43:28.445292+02:00 server9 dovecot[2212788]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=139.155.104.136, lip=62.210.65.21, TLS, session=<2+cuueJUvtKLm2iI> 2026-06-23T05:09:18.429197+02:00 server9 dovecot[2212788]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=139.155.104.136, lip=62.210.65.21, TLS, session=<dN+NFeNUnN2Lm2i ... show less	Brute-Force Exploited Host
🇫🇷 Campus France	2026-06-23 00:37:54 (1 day ago)	2026-06-22T22:59:07.786370+02:00 server9 dovecot[2212788]: imap-login: Disconnected: Connection clos ... show more 2026-06-22T22:59:07.786370+02:00 server9 dovecot[2212788]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=139.155.104.136, lip=62.210.65.21, TLS, session=<P/616d1Uvt6Lm2iI> 2026-06-22T23:23:55.517751+02:00 server9 dovecot[2212788]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=139.155.104.136, lip=62.210.65.21, TLS, session=<OX9eQt5UVI2Lm2iI> 2026-06-22T23:48:02.249598+02:00 server9 dovecot[2212788]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=139.155.104.136, lip=62.210.65.21, TLS, session=<67OamN5UJp+Lm2iI> 2026-06-23T00:12:08.268463+02:00 server9 dovecot[2212788]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=139.155.104.136, lip=62.210.65.21, TLS, session=<D//K7t5UcomLm2i ... show less	Brute-Force Exploited Host
🇬🇧 openstrike.co.uk	2026-06-22 22:51:15 (1 day ago)	Email auth failures (5)	Brute-Force
🇺🇸 bigwavedave	2026-06-22 22:20:06 (1 day ago)	IMAP or POP3	Brute-Force
Anonymous	2026-06-22 22:05:38 (1 day ago)	POP or IMAP failed login attempts detected by Fail2Ban	Brute-Force
🇩🇪 netclix.gr	2026-06-22 22:04:29 (1 day ago)	(imapd) Failed IMAP login from 139.155.104.136 (CN/China/-)	Brute-Force
🇺🇸 vandomatos	2026-06-22 21:34:06 (1 day ago)	Jun 22 13:43:19 servidor dovecot: imap-login: Disconnected (auth failed, 1 attempts in 2 secs): user ... show more Jun 22 13:43:19 servidor dovecot: imap-login: Disconnected (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=139.155.104.136, lip=154.53.60.253, TLS, session=<GYcusd1UzKSLm2iI> Jun 22 14:09:43 servidor dovecot: imap-login: Disconnected (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=139.155.104.136, lip=154.53.60.253, TLS, session=<nXybD95U8N+Lm2iI> Jun 22 14:33:47 servidor dovecot: imap-login: Disconnected (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=139.155.104.136, lip=154.53.60.253, TLS, session=<NnKlZd5UBrCLm2iI> ... show less	Hacking Spoofing Brute-Force
🇩🇪 iNetWorker	2026-06-22 21:33:01 (1 day ago)	pop/imap	Brute-Force

Showing 1 to 15 of 37 reports

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