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AbuseIPDB » 47.121.139.13

47.121.139.13 was found in our database!

This IP was reported 29 times. Confidence of Abuse is 85%: ?

85%

ISP	Aliyun Computing Co., LTD
Usage Type	Data Center/Web Hosting/Transit
ASN	AS37963
Domain Name	alibabacloud.com
Country	🇨🇳 China
City	Shenzhen, Guangdong

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

Report 47.121.139.13

Whois 47.121.139.13

IP Abuse Reports for 47.121.139.13:

This IP address has been reported a total of 29 times from 20 distinct sources. 47.121.139.13 was first reported on July 2nd 2026, and the most recent report was 3 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
🇺🇸 Vano Ganzzz	2026-08-23 02:19:51 (3 hours ago)	Triggered Cloudflare WAF (l7ddos) from CN. Action taken: BLOCK ASN: 37963 (Hangzhou Alibaba Advertis ... show more Triggered Cloudflare WAF (l7ddos) from CN. Action taken: BLOCK ASN: 37963 (Hangzhou Alibaba Advertising Co.,Ltd.) Protocol: HTTP/2 (GET method) Endpoint: / Timestamp: 2026-08-23T02:19:51Z Ray ID: a2f6a2819b4ad0bd UA: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36 show less	DDoS Attack Bad Web Bot
🇵🇾 SecOpsSL	2026-08-22 08:49:28 (21 hours ago)	Aug 22 05:42:10 mail postfix/smtps/smtpd\[11443\]: warning: unknown\[47.121.139.13\]: SASL PLAIN aut ... show more Aug 22 05:42:10 mail postfix/smtps/smtpd\[11443\]: warning: unknown\[47.121.139.13\]: SASL PLAIN authentication failed: authentication failure Aug 22 05:46:51 mail postfix/smtps/smtpd\[17105\]: warning: unknown\[47.121.139.13\]: SASL PLAIN authentication failed: authentication failure Aug 22 05:49:27 mail postfix/smtps/smtpd\[26533\]: warning: unknown\[47.121.139.13\]: SASL PLAIN authentication failed: authentication failure show less	Email Spam Brute-Force
Anonymous	2026-08-22 07:12:25 (23 hours ago)	Authentication failure	Brute-Force
🇮🇩 xveil	2026-08-22 04:34:23 (1 day ago)	2026-08-22T11:34:21.574489 mail-honeypot postfix/submission/smtpd[10521]: warning: unknown[47.121.13 ... show more 2026-08-22T11:34:21.574489 mail-honeypot postfix/submission/smtpd[10521]: warning: unknown[47.121.139.13]: SASL PLAIN authentication failed: authentication failure ... show less	Brute-Force
🇮🇩 xveil	2026-08-21 05:01:14 (2 days ago)	2026-08-21T12:01:11.745444 mail-honeypot postfix/submission/smtpd[19118]: warning: unknown[47.121.13 ... show more 2026-08-21T12:01:11.745444 mail-honeypot postfix/submission/smtpd[19118]: warning: unknown[47.121.139.13]: SASL PLAIN authentication failed: authentication failure ... show less	Brute-Force
🇫🇷 masterguru	2026-08-21 00:15:08 (2 days ago)	(modsec_5015) ModSec 5015: Suspicious User-Agent from 47.121.139.13 (-): 1 in the last 3600 secs (0- ... show more (modsec_5015) ModSec 5015: Suspicious User-Agent from 47.121.139.13 (-): 1 in the last 3600 secs (0-195) show less	Hacking
🇭🇺 Lacika555	2026-08-18 04:05:41 (5 days ago)	RdpGuard detected brute-force attempt on SMTP	Brute-Force
🇳🇱 EGP Abuse Dept	2026-08-18 02:13:27 (5 days ago)	Unsolicited connection to port 465	Port Scan Hacking
🇷🇺 DZBOT	2026-08-18 01:41:12 (5 days ago)	DZBOT: Brute-force users IMAP/POP3	Brute-Force
Anonymous	2026-08-17 16:18:56 (5 days ago)	Authentication failure	Brute-Force
🇧🇷 dominioz	2026-08-17 12:10:47 (5 days ago)	47.121.139.13 [31D8] 09:10:11 Authentication [SMTP] - Result=0, [email protected] ... show more 47.121.139.13 [31D8] 09:10:11 Authentication [SMTP] - Result=0, [email protected], Method=0 47.121.139.13 [23C8] 09:10:43 Authentication [SMTP] - Result=0, [email protected], Method=0 47.121.139.13 [114C] 09:10:46 Authentication [SMTP] - Result=0, [email protected], Method=0 ... show less	Brute-Force
🇮🇩 xveil	2026-08-17 09:37:14 (5 days ago)	2026-08-17T16:37:12.233584 mail-honeypot postfix/submission/smtpd[16814]: warning: unknown[47.121.13 ... show more 2026-08-17T16:37:12.233584 mail-honeypot postfix/submission/smtpd[16814]: warning: unknown[47.121.139.13]: SASL PLAIN authentication failed: authentication failure ... show less	Brute-Force
🇮🇩 xveil	2026-08-16 15:48:29 (6 days ago)	2026-08-16T22:48:27.825831 mail-honeypot postfix/submission/smtpd[24510]: warning: unknown[47.121.13 ... show more 2026-08-16T22:48:27.825831 mail-honeypot postfix/submission/smtpd[24510]: warning: unknown[47.121.139.13]: SASL PLAIN authentication failed: authentication failure ... show less	Brute-Force
🇮🇹 Progetto1	2026-08-16 12:22:02 (6 days ago)	Mail - Multiple failed login attempts	Brute-Force Exploited Host
🇮🇩 sockominfo	2026-08-15 14:00:56 (1 week ago)	Zimbra: Login failures from malicious IP: 47.121.139.13. Threat Score: 6.3/10 (MEDIUM). Confidence: ... show more Zimbra: Login failures from malicious IP: 47.121.139.13. Threat Score: 6.3/10 (MEDIUM). Confidence: 40%. CVSS v3.1: 4.6/10 (Medium). CVSS Vector: CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L. Bayesian Probability: 76%. MITRE ATT&CK: T1083 (File and Directory Discovery). Tactic: TA0001. Freshness: Fresh. Source Reputation: UNKNOWN. Methodology: CVSS 3.1 + Bayesian + Temporal + Environmental + MITRE ATT&CK + OWASP. Standards: ISO/IEC 27065:2022, NIST SP 800-30, IEEE S&P 2020. Reported by TangerangKota-CSIRT. Status: MALICIOUS show less	Hacking Web App Attack

Showing 1 to 15 of 29 reports

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