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AbuseIPDB » 39.99.248.143

39.99.248.143

Recent Activity

31 reports found in our database

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ISP

Aliyun Computing Co., LTD

Usage Type

Data Center/Web Hosting/Transit

ASN

AS37963

Domain Name

alibabacloud.com

Country

🇨🇳 China

City

Beijing, Beijing

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

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IP Abuse Reports for 39.99.248.143:

This IP address has been reported a total of 31 times from 5 distinct sources. 39.99.248.143 was first reported on August 28th 2026, and the most recent report was 11 minutes ago. In the last 60 days, the top reporter locations were: United States of America with 28 reports; Germany with 1 report; France with 1 report. The most common categories in these recent reports were: Port Scan 26 times; Brute-Force 5 times; Web App Attack 3 times; Bad Web Bot 2 times; Email Spam 1 time; Other 1 time.

Reporter	IoA Timestamp (UTC)	Comment	Categories
🇺🇸 mnogoweb	2026-09-12 03:25:57 (11 minutes ago)	(smtpauth) Failed SMTP AUTH login from 39.99.248.143 (CN/China/-): 5 in the last 3600 secs; Ports: * ... show more (smtpauth) Failed SMTP AUTH login from 39.99.248.143 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-09-11 21:20:01 login authenticator failed for (45.74.31.42) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 21:22:03 login authenticator failed for (45.74.31.42) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 21:22:35 login authenticator failed for (45.74.31.42) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 21:25:10 login authenticator failed for (45.74.31.30) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 21:25:52 login authenticator failed for (45.74.31.42) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) show less	Port Scan
🇺🇸 mnogoweb	2026-09-12 03:03:09 (34 minutes ago)	(smtpauth) Failed SMTP AUTH login from 39.99.248.143 (CN/China/-): 5 in the last 3600 secs; Ports: * ... show more (smtpauth) Failed SMTP AUTH login from 39.99.248.143 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-09-11 20:50:21 login authenticator failed for (45.74.31.42) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 20:51:08 login authenticator failed for (45.74.31.30) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 20:55:54 login authenticator failed for (45.74.31.30) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 20:56:26 login authenticator failed for (45.74.31.30) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 21:02:59 login authenticator failed for (45.74.31.30) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) show less	Port Scan
🇺🇸 mnogoweb	2026-09-12 02:30:55 (1 hour ago)	(smtpauth) Failed SMTP AUTH login from 39.99.248.143 (CN/China/-): 5 in the last 3600 secs; Ports: * ... show more (smtpauth) Failed SMTP AUTH login from 39.99.248.143 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-09-11 20:24:38 login authenticator failed for (45.74.31.42) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 20:25:18 login authenticator failed for (45.74.31.42) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 20:27:11 login authenticator failed for (45.74.31.30) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 20:28:34 login authenticator failed for (45.74.31.42) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 20:30:51 login authenticator failed for (45.74.31.42) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) show less	Port Scan
🇺🇸 mnogoweb	2026-09-12 02:06:14 (1 hour ago)	(smtpauth) Failed SMTP AUTH login from 39.99.248.143 (CN/China/-): 5 in the last 3600 secs; Ports: * ... show more (smtpauth) Failed SMTP AUTH login from 39.99.248.143 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-09-11 19:43:12 login authenticator failed for (45.74.31.30) [39.99.248.143]: 535 Incorrect authentication data 2026-09-11 19:52:48 login authenticator failed for (45.74.31.42) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 19:53:31 login authenticator failed for (45.74.31.42) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 19:58:15 login authenticator failed for (45.74.31.42) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 20:06:12 login authenticator failed for (45.74.31.30) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) show less	Port Scan
🇺🇸 mnogoweb	2026-09-12 01:33:22 (2 hours ago)	(smtpauth) Failed SMTP AUTH login from 39.99.248.143 (CN/China/-): 5 in the last 3600 secs; Ports: * ... show more (smtpauth) Failed SMTP AUTH login from 39.99.248.143 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-09-11 19:24:13 login authenticator failed for (45.74.31.42) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 19:25:20 login authenticator failed for (45.74.31.42) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 19:27:33 login authenticator failed for (45.74.31.42) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 19:30:05 login authenticator failed for (45.74.31.30) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 19:33:21 login authenticator failed for (45.74.31.42) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) show less	Port Scan
🇺🇸 mnogoweb	2026-09-12 01:05:03 (2 hours ago)	(smtpauth) Failed SMTP AUTH login from 39.99.248.143 (CN/China/-): 5 in the last 3600 secs; Ports: * ... show more (smtpauth) Failed SMTP AUTH login from 39.99.248.143 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-09-11 18:53:20 login authenticator failed for (45.74.31.42) [39.99.248.143]: 535 Incorrect authentication data 2026-09-11 19:00:48 login authenticator failed for (45.74.31.30) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 19:01:17 login authenticator failed for (45.74.31.42) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 19:04:41 login authenticator failed for (45.74.31.42) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 19:05:00 login authenticator failed for (45.74.31.42) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) show less	Port Scan
🇺🇸 mnogoweb	2026-09-12 00:43:21 (2 hours ago)	(smtpauth) Failed SMTP AUTH login from 39.99.248.143 (CN/China/-): 5 in the last 3600 secs; Ports: * ... show more (smtpauth) Failed SMTP AUTH login from 39.99.248.143 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-09-11 18:31:12 login authenticator failed for (45.74.31.42) [39.99.248.143]: 535 Incorrect authentication data 2026-09-11 18:39:57 login authenticator failed for (45.74.31.30) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 18:41:30 login authenticator failed for (45.74.31.30) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 18:43:19 login authenticator failed for (45.74.31.30) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 18:43:20 login authenticator failed for (45.74.31.30) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) show less	Port Scan
🇺🇸 mnogoweb	2026-09-12 00:21:42 (3 hours ago)	(smtpauth) Failed SMTP AUTH login from 39.99.248.143 (CN/China/-): 5 in the last 3600 secs; Ports: * ... show more (smtpauth) Failed SMTP AUTH login from 39.99.248.143 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-09-11 18:01:43 login authenticator failed for (45.74.31.30) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 18:05:57 login authenticator failed for (45.74.31.42) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 18:09:33 login authenticator failed for (45.74.31.30) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 18:12:38 login authenticator failed for (45.74.31.42) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 18:21:38 plain authenticator failed for (5.8.63.189) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) show less	Port Scan
🇺🇸 mnogoweb	2026-09-11 23:36:22 (4 hours ago)	(smtpauth) Failed SMTP AUTH login from 39.99.248.143 (CN/China/-): 5 in the last 3600 secs; Ports: * ... show more (smtpauth) Failed SMTP AUTH login from 39.99.248.143 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-09-11 17:18:04 login authenticator failed for (45.74.31.42) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 17:31:38 login authenticator failed for (45.74.31.42) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 17:32:31 login authenticator failed for (45.74.31.30) [39.99.248.143]: 535 Incorrect authentication data 2026-09-11 17:35:41 login authenticator failed for (45.74.31.42) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 17:36:16 login authenticator failed for (45.74.31.30) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) show less	Port Scan
🇮🇹 VHosting	2026-09-11 23:15:04 (4 hours ago)	Detected mail brute force attack from different servers	Brute-Force
🇺🇸 mnogoweb	2026-09-11 23:13:16 (4 hours ago)	(smtpauth) Failed SMTP AUTH login from 39.99.248.143 (CN/China/-): 5 in the last 3600 secs; Ports: * ... show more (smtpauth) Failed SMTP AUTH login from 39.99.248.143 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-09-11 17:08:42 login authenticator failed for (45.74.31.30) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 17:10:36 login authenticator failed for (45.74.31.30) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 17:11:25 login authenticator failed for (45.74.31.30) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 17:11:32 login authenticator failed for (45.74.31.42) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 17:13:12 login authenticator failed for (45.74.31.42) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) show less	Port Scan
🇺🇸 mnogoweb	2026-09-11 22:53:09 (4 hours ago)	(smtpauth) Failed SMTP AUTH login from 39.99.248.143 (CN/China/-): 5 in the last 3600 secs; Ports: * ... show more (smtpauth) Failed SMTP AUTH login from 39.99.248.143 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-09-11 16:46:43 login authenticator failed for (45.74.31.30) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 16:47:11 login authenticator failed for (45.74.31.42) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 16:47:30 login authenticator failed for (45.74.31.42) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 16:48:50 login authenticator failed for (45.74.31.42) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 16:53:06 login authenticator failed for (45.74.31.30) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) show less	Port Scan
🇺🇸 mnogoweb	2026-09-11 22:29:58 (5 hours ago)	(smtpauth) Failed SMTP AUTH login from 39.99.248.143 (CN/China/-): 5 in the last 3600 secs; Ports: * ... show more (smtpauth) Failed SMTP AUTH login from 39.99.248.143 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-09-11 16:15:44 login authenticator failed for (45.74.31.30) [39.99.248.143]: 535 Incorrect authentication data 2026-09-11 16:25:27 login authenticator failed for (45.74.31.42) [39.99.248.143]: 535 Incorrect authentication data 2026-09-11 16:26:07 login authenticator failed for (45.74.31.30) [39.99.248.143]: 535 Incorrect authentication data 2026-09-11 16:29:24 login authenticator failed for (45.74.31.42) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 16:29:56 login authenticator failed for (45.74.31.42) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) show less	Port Scan
🇺🇸 mnogoweb	2026-09-11 22:05:58 (5 hours ago)	(smtpauth) Failed SMTP AUTH login from 39.99.248.143 (CN/China/-): 5 in the last 3600 secs; Ports: * ... show more (smtpauth) Failed SMTP AUTH login from 39.99.248.143 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-09-11 16:00:39 login authenticator failed for (45.74.31.30) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 16:01:07 login authenticator failed for (45.74.31.30) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 16:03:10 login authenticator failed for (45.74.31.30) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 16:05:49 login authenticator failed for (45.74.31.42) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 16:05:53 login authenticator failed for (45.74.31.42) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) show less	Port Scan
🇺🇸 mnogoweb	2026-09-11 21:41:49 (5 hours ago)	(smtpauth) Failed SMTP AUTH login from 39.99.248.143 (CN/China/-): 5 in the last 3600 secs; Ports: * ... show more (smtpauth) Failed SMTP AUTH login from 39.99.248.143 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-09-11 15:22:59 login authenticator failed for (45.74.31.30) [39.99.248.143]: 535 Incorrect authentication data 2026-09-11 15:33:41 login authenticator failed for (45.74.31.30) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 15:34:33 login authenticator failed for (45.74.31.30) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 15:37:23 login authenticator failed for (45.74.31.42) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) 2026-09-11 15:41:45 login authenticator failed for (45.74.31.30) [39.99.248.143]: 535 Incorrect authentication data ([email protected]) show less	Port Scan

Showing 1 to 15 of 31 reports

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