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AbuseIPDB » 59.37.13.66

59.37.13.66 was found in our database!

This IP was reported 2,426 times. Confidence of Abuse is 100%: ?

100%

ISP	zhongguodianxin
Usage Type	Fixed Line ISP
ASN	AS4134
Domain Name	gddc.com.cn
Country	🇨🇳 China
City	Shenzhen, Guangdong

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

Report 59.37.13.66

Whois 59.37.13.66

IP Abuse Reports for 59.37.13.66:

This IP address has been reported a total of 2,426 times from 270 distinct sources. 59.37.13.66 was first reported on March 16th 2021, and the most recent report was 5 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
Anonymous	2026-01-23 21:51:41 (4 months ago)	SMTP brute force - auth failed	Brute-Force Exploited Host
🇹🇷 rtbh.com.tr	2026-01-23 20:11:11 (4 months ago)	list.rtbh.com.tr report: tcp/0	Brute-Force
🇩🇪 Sparxx	2026-01-23 19:03:20 (4 months ago)	2026-01-23T20:03:19.102379+01:00 srv postfix/smtpd[461417]: warning: unknown[59.37.13.66]: SASL LOGI ... show more 2026-01-23T20:03:19.102379+01:00 srv postfix/smtpd[461417]: warning: unknown[59.37.13.66]: SASL LOGIN authentication failed: (reason unavailable), [email protected] 2026-01-23T20:03:20.098471+01:00 srv postfix/smtpd[461417]: lost connection after AUTH from unknown[59.37.13.66] 2026-01-23T20:03:20.098623+01:00 srv postfix/smtpd[461417]: disconnect from unknown[59.37.13.66] ehlo=1 auth=0/1 commands=1/2 ... show less	Brute-Force
🇺🇸 chrisj	2026-01-23 18:55:35 (4 months ago)	2026-01-23T18:55:35.306718+00:00 aws postfix/smtpd[233843]: warning: unknown[59.37.13.66]: SASL LOGI ... show more 2026-01-23T18:55:35.306718+00:00 aws postfix/smtpd[233843]: warning: unknown[59.37.13.66]: SASL LOGIN authentication failed: (reason unavailable), [email protected] 2026-01-23T18:55:35.306819+00:00 aws postfix/smtpd[233843]: lost connection after AUTH from unknown[59.37.13.66] 2026-01-23T18:55:35.306859+00:00 aws postfix/smtpd[233843]: disconnect from unknown[59.37.13.66] ehlo=2 starttls=1 auth=0/1 commands=3/4 ... show less	Brute-Force
🇺🇸 shaunc	2026-01-23 17:22:55 (4 months ago)	Jan 23 11:22:52 mailman postfix/smtpd[3921]: warning: unknown[59.37.13.66]: SASL LOGIN authenticatio ... show more Jan 23 11:22:52 mailman postfix/smtpd[3921]: warning: unknown[59.37.13.66]: SASL LOGIN authentication failed: authentication failure show less	Brute-Force
🇫🇷 basing	2026-01-23 11:13:45 (4 months ago)	2026-01-23 12:13:45 idz SASL PLAIN auth failed: rhost=59.37.13.66...	Brute-Force
🇩🇪 Paul Smith	2026-01-23 10:35:41 (4 months ago)	Email Auth Brute force attack 20/20 in last day	Brute-Force
🇺🇸 lintelcorpo	2026-01-23 10:04:32 (4 months ago)	Yesterday, this IP was the source of 12 failed authentications targeting 12 unique usernames on our ... show more Yesterday, this IP was the source of 12 failed authentications targeting 12 unique usernames on our Mail Server at 216.21.193.119. show less	Brute-Force
🇺🇸 Brian Minton	2026-01-23 03:05:49 (4 months ago)	2026-01-20 06:04:29 no host name found for IP address 59.37.13.66 2026-01-20 06:04:41 login_saslauth ... show more 2026-01-20 06:04:29 no host name found for IP address 59.37.13.66 2026-01-20 06:04:41 login_saslauthd_server authenticator failed for ([59.37.13.66]) [59.37.13.66]: 535 Incorrect authentication data (set_id=mailer-daemon) 2026-01-22 21:05:48 no host name found for IP address 59.37.13.66 ... show less	Brute-Force
Anonymous	2026-01-23 02:13:23 (4 months ago)	IMAP password guessing	Brute-Force
🇹🇷 rtbh.com.tr	2026-01-22 20:11:11 (4 months ago)	list.rtbh.com.tr report: tcp/0	Brute-Force
Anonymous	2026-01-22 19:54:35 (4 months ago)	2026-01-22T20:54:33.060423+01:00 gollum postfix/smtpd[1783115]: warning: unknown[59.37.13.66]: SASL ... show more 2026-01-22T20:54:33.060423+01:00 gollum postfix/smtpd[1783115]: warning: unknown[59.37.13.66]: SASL LOGIN authentication failed: (reason unavailable), [email protected] 2026-01-22T20:54:33.809356+01:00 gollum postfix/smtpd[1783115]: lost connection after AUTH from unknown[59.37.13.66] 2026-01-22T20:54:33.809515+01:00 gollum postfix/smtpd[1783115]: disconnect from unknown[59.37.13.66] ehlo=1 auth=0/1 commands=1/2 ... show less	DDoS Attack Brute-Force
🇩🇪 DocNetzwerk	2026-01-22 18:43:47 (4 months ago)	(smtpauth) Failed SMTP AUTH login from 59.37.13.66 (CN/China/-)	Brute-Force
🇸🇬 pusathosting.com	2026-01-22 18:25:07 (4 months ago)	imap1 failed login	Brute-Force
Anonymous	2026-01-22 14:51:09 (4 months ago)	Jan 21 21:54:53 mx1 postfix/smtps/smtpd[3263]: warning: unknown[59.37.13.66]: SASL LOGIN authenticat ... show more Jan 21 21:54:53 mx1 postfix/smtps/smtpd[3263]: warning: unknown[59.37.13.66]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 Jan 22 11:22:07 mx1 postfix/submission/smtpd[26633]: warning: unknown[59.37.13.66]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 Jan 22 15:51:08 mx1 postfix/smtps/smtpd[2028]: warning: unknown[59.37.13.66]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 ... show less	Brute-Force

Showing 2281 to 2295 of 2426 reports

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