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211.21.102.154

Neutral Activity

Abuse confidence score ?

0% Low Risk

34 reports

33 reporters · latest 2 years ago

ISP	Data Communication Business Group,
Usage Type	Fixed Line ISP
ASN	AS3462
Domain Name	cht.com.tw
Country	🇹🇼 Taiwan
City	Taipei, Taiwan

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

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No reports in the last 60 days

211.21.102.154 has been reported 34 times. The most recent report is from 2 years ago.

The full history is preserved below and remains searchable. A 0% score reflects the absence of recent activity, but this is not a guarantee that earlier reports were invalid. Abuse confidence score decays, naturally, over time, when the abusive activity stops.

IP Abuse Reports for 211.21.102.154

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This IP address has been reported a total of 34 times from 33 distinct sources. 211.21.102.154 was first reported on May 24th 2024, and the most recent report was 2 years ago.

Reporter	IoA Timestamp (UTC)	Comment	Categories
🇳🇱 Linuxmalwarehuntingnl	2024-07-01 10:33:57 (2 years ago)	Unauthorized connection attempt	Brute-Force
🇳🇱 wlt-blocker	2024-05-30 10:42:54 (2 years ago)	Attempts to login to mail server with wrong username and/or password	Brute-Force
Anonymous	2024-05-30 04:05:03 (2 years ago)	Brute Force User Attack SMTP	Brute-Force
🇧🇷 LM Security	2024-05-30 01:15:04 (2 years ago)	2024-05-29 22:02:11 dovecot_login authenticator failed for ([211.21.102.154]) [211.21.102.154]:35950 ... show more 2024-05-29 22:02:11 dovecot_login authenticator failed for ([211.21.102.154]) [211.21.102.154]:35950: 535 Incorrect authentication data (set_id=geraldine_hawkins@[redacted].com.br) 2024-05-29 17:31:34 dovecot_login authenticator failed for ([211.21.102.154]) [211.21.102.154]:50454: 535 Incorrect authentication data (set_id=stefany.oliveira) show less	Brute-Force
Anonymous	2024-05-30 00:30:23 (2 years ago)	2024-05-30T01:30:22.715121+01:00 soli-gate postfix/submissions/smtpd[1591037]: warning: unknown[211. ... show more 2024-05-30T01:30:22.715121+01:00 soli-gate postfix/submissions/smtpd[1591037]: warning: unknown[211.21.102.154]: SASL PLAIN authentication failed: authentication failure, [email protected] ... show less	Brute-Force
🇫🇷 smtp.com.es	2024-05-29 21:04:45 (2 years ago)	Brute force attempt	Brute-Force Exploited Host
🇺🇸 shaunc	2024-05-29 20:42:23 (2 years ago)	May 29 15:42:16 mailman postfix/smtpd[7860]: warning: unknown[211.21.102.154]: SASL PLAIN authentica ... show more May 29 15:42:16 mailman postfix/smtpd[7860]: warning: unknown[211.21.102.154]: SASL PLAIN authentication failed: authentication failure show less	Brute-Force
🇦🇺 Gateway_NOC	2024-05-29 20:06:46 (2 years ago)	postfix brute force sasl attack	Brute-Force
🇩🇪 dwmp	2024-05-29 19:57:28 (2 years ago)	May 29 16:51:01 webcore postfix/smtpd[209102]: warning: unknown[211.21.102.154]: SASL LOGIN authenti ... show more May 29 16:51:01 webcore postfix/smtpd[209102]: warning: unknown[211.21.102.154]: SASL LOGIN authentication failed: authentication failure May 29 19:43:18 webcore postfix/smtpd[247944]: warning: unknown[211.21.102.154]: SASL LOGIN authentication failed: authentication failure May 29 21:57:27 webcore postfix/smtpd[275626]: warning: unknown[211.21.102.154]: SASL LOGIN authentication failed: authentication failure ... show less	Brute-Force
🇩🇪 nextweb	2024-05-29 18:15:26 (2 years ago)	(sshd) Failed SSH login from 211.21.102.154 (TW/Taiwan/New Taipei City/New Taipei City/ftp.nit.idv.t ... show more (sshd) Failed SSH login from 211.21.102.154 (TW/Taiwan/New Taipei City/New Taipei City/ftp.nit.idv.tw/[AS3462 Data Communication Business Group]): 2 in the last 3600 secs show less	Brute-Force SSH
🇪🇸 10dencehispahard SL	2024-05-29 17:04:40 (2 years ago)	Unauthorized login attempts [ dovecot]	Brute-Force
🇦🇷 chavetita	2024-05-29 16:56:04 (2 years ago)	$f2bV_matches	Brute-Force
Anonymous	2024-05-29 15:05:08 (2 years ago)	May 29 12:03:41 m postfix/submission/smtpd[459574]: warning: unknown[211.21.102.154]: SASL LOGIN aut ... show more May 29 12:03:41 m postfix/submission/smtpd[459574]: warning: unknown[211.21.102.154]: SASL LOGIN authentication failed: authentication failure May 29 15:05:07 m postfix/submission/smtpd[633819]: warning: unknown[211.21.102.154]: SASL LOGIN authentication failed: authentication failure ... show less	Brute-Force
Anonymous	2024-05-29 11:58:17 (2 years ago)	2024-05-29T13:58:16.935682+02:00 metalsrv dovecot: auth-worker(3283837): conn unix:auth-worker (pid= ... show more 2024-05-29T13:58:16.935682+02:00 metalsrv dovecot: auth-worker(3283837): conn unix:auth-worker (pid=3246182,uid=102): auth-worker<1636>: shadow(zsofi,211.21.102.154): Password mismatch (given password: Zsof123!) ... show less	Hacking Brute-Force
🇳🇱 maxxsense	2024-05-29 11:38:48 (2 years ago)	(postfix-unknown) Failed postfix unknown login with username [redacted] from 211.21.102.154 (TW/Taiw ... show more (postfix-unknown) Failed postfix unknown login with username [redacted] from 211.21.102.154 (TW/Taiwan/ftp.nit.idv.tw) show less	Hacking

Showing 1 to 15 of 34 reports

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