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AbuseIPDB » 58.115.15.164

58.115.15.164 was found in our database!

This IP was reported 99 times. Confidence of Abuse is 100%: ?

100%

ISP	KBT Co., LTD
Usage Type	Fixed Line ISP
ASN	AS38851
Hostname(s)	58-115-15-164.twt1.com.tw
Domain Name	kbtelecom.net
Country	🇹🇼 Taiwan
City	Banqiao, Taipei

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

Report 58.115.15.164

Whois 58.115.15.164

IP Abuse Reports for 58.115.15.164:

This IP address has been reported a total of 99 times from 74 distinct sources. 58.115.15.164 was first reported on September 13th 2026, and the most recent report was 1 hour 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
🇫🇷 Papy Abuse	2026-09-19 02:38:59 (1 hour ago)	postfix-sasl	Brute-Force
🇬🇧 Hobby Bob	2026-09-18 22:56:45 (5 hours ago)	Sep 18 23:56:45 mail postfix/smtps/smtpd[2529421]: warning: unknown[58.115.15.164]: SASL LOGIN authe ... show more Sep 18 23:56:45 mail postfix/smtps/smtpd[2529421]: warning: unknown[58.115.15.164]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 show less	Hacking Brute-Force
🇮🇩 xveil	2026-09-18 21:56:13 (6 hours ago)	2026-09-19T04:56:10.833543 mail-honeypot postfix/submission/smtpd[27741]: warning: unknown[58.115.15 ... show more 2026-09-19T04:56:10.833543 mail-honeypot postfix/submission/smtpd[27741]: warning: unknown[58.115.15.164]: SASL LOGIN authentication failed: authentication failure ... show less	Brute-Force
🇭🇺 Lacika555	2026-09-18 21:42:14 (6 hours ago)	RdpGuard detected brute-force attempt on SMTP	Brute-Force
🇦🇺 electronico	2026-09-18 21:14:15 (6 hours ago)	2026-09-19T07:08:24.453724+11:00 mail1 postfix/submissions/smtpd[1245478]: lost connection after AUT ... show more 2026-09-19T07:08:24.453724+11:00 mail1 postfix/submissions/smtpd[1245478]: lost connection after AUTH from unknown[58.115.15.164] 2026-09-19T08:03:25.484716+11:00 mail1 postfix/submissions/smtpd[1257422]: lost connection after AUTH from unknown[58.115.15.164] 2026-09-19T08:14:15.285903+11:00 mail1 postfix/submissions/smtpd[1257423]: lost connection after AUTH from unknown[58.115.15.164] ... show less	Brute-Force Email Spam
Anonymous	2026-09-18 20:30:13 (7 hours ago)	6x Postfix SASL LOGIN authentication failed	Brute-Force
🇩🇪 kreativstrecke	2026-09-18 20:27:35 (7 hours ago)	2026-09-18T22:27:33.411075+02:00 srv03 postfix/submission/smtpd[4049120]: warning: unknown[58.115.15 ... show more 2026-09-18T22:27:33.411075+02:00 srv03 postfix/submission/smtpd[4049120]: warning: unknown[58.115.15.164]: SASL LOGIN authentication failed: (reason unavailable), [email protected] 2026-09-18T22:27:34.317896+02:00 srv03 postfix/submission/smtpd[4049120]: lost connection after AUTH from unknown[58.115.15.164] 2026-09-18T22:27:34.318178+02:00 srv03 postfix/submission/smtpd[4049120]: disconnect from unknown[58.115.15.164] ehlo=2 starttls=1 auth=0/1 commands=3/4 ... show less	Brute-Force
🇩🇪 wlt-blocker	2026-09-18 18:19:06 (9 hours ago)	Attempts to login to mail server with wrong username and/or password	Brute-Force
🇩🇪 Paul Smith	2026-09-18 17:46:48 (10 hours ago)	Email Auth Brute force attack 1/1 in last day	Brute-Force
Anonymous	2026-09-18 17:28:44 (10 hours ago)	2026-09-18T20:28:43.397642+03:00 shell.l3.fi postfix/smtps/smtpd[122285]: warning: unknown[58.115.15 ... show more 2026-09-18T20:28:43.397642+03:00 shell.l3.fi postfix/smtps/smtpd[122285]: warning: unknown[58.115.15.164]: SASL LOGIN authentication failed: UGFzc3dvcmQ6, sasl_username=kivi19 2026-09-18T20:28:43.398048+03:00 shell.l3.fi postfix/smtps/smtpd[122285]: disconnect from unknown[58.115.15.164] ehlo=1 auth=0/1 commands=1/2 ... show less	Email Spam Brute-Force
🇩🇪 LRob	2026-09-18 16:13:56 (11 hours ago)	SMTP probing: asking whether the server offers authentication, then hanging up \| 2026-09-18 16:13 UT ... show more SMTP probing: asking whether the server offers authentication, then hanging up \| 2026-09-18 16:13 UTC show less	Port Scan
🇩🇪 www.fransveldman.world	2026-09-18 15:57:34 (12 hours ago)	Sep 18 15:57:33 mail postfix/submission/smtpd[2410883]: warning: unknown[58.115.15.164]: SASL LOGIN ... show more Sep 18 15:57:33 mail postfix/submission/smtpd[2410883]: warning: unknown[58.115.15.164]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 Sep 18 15:57:34 mail postfix/submission/smtpd[2410883]: lost connection after AUTH from unknown[58.115.15.164] ... show less	Brute-Force Email Spam
Anonymous	2026-09-18 14:52:11 (13 hours ago)	2026-09-18T15:52:10.164112+01:00 [masked] postfix/smtps/smtpd[4019711]: warning: unknown[58.115.15.1 ... show more 2026-09-18T15:52:10.164112+01:00 [masked] postfix/smtps/smtpd[4019711]: warning: unknown[58.115.15.164]: SASL LOGIN authentication failed: (reason unavailable), sasl_username=divxsubtitlas.nat@[masked] ... show less	Brute-Force
Anonymous	2026-09-18 13:59:22 (14 hours ago)	2026-09-18T15:59:21.693395 biopolis.pcconsultant.it postfix/smtpd[3104487]: warning: unknown[58.115. ... show more 2026-09-18T15:59:21.693395 biopolis.pcconsultant.it postfix/smtpd[3104487]: warning: unknown[58.115.15.164]: SASL LOGIN authentication failed: authentication failure, sasl_username=esperto ... show less	Brute-Force
🇩🇪 localhost-admin	2026-09-18 13:30:11 (14 hours ago)	Unauthorized connection attempt detected, SMTP Brute-Force	Brute-Force

Showing 1 to 15 of 99 reports

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