123.139.221.154

Recent Activity This IP has received recent abuse reports, which causes the score to increase.
Abuse Confidence Score
84% Critical
17 reports
14 reporters · latest 25 minutes ago
ISP
China Unicom Shannxi province network
Usage Type
Fixed Line ISP
ASN
AS4837
Domain Name
chinaunicom.cn
Country
🇨🇳 China
City
Xi'an, Shaanxi

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

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Abuse Reports

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Total reports
17 from 14 distinct reporters
First reported
Most recent report
Last 60 days
Top reporter locations 🇩🇪 Germany 6 🇳🇱 Netherlands 3 🇧🇾 Belarus 2
Most common categories Brute-Force 15 Hacking 3 Port Scan 3 Email Spam 2
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.
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Reporter IoA Timestamp (UTC) Comment Categories
🇩🇪 Marc
Brute-Force Email Spam
🇩🇪 eebh.hu
Nov 12 17:34:21 mail dovecot: pop3-login: Disconnected: Connection closed (auth failed, 1 attempts in 0 secs): user=<[email protected]>, rip=123.139.221.154, lip=194.36.88.23, session=<zeo+4hZgA8J7i92a> ...
Brute-Force
🇩🇪 eebh.hu
Brute-Force
🇹🇷 Jova
Repeated failed POP logins to a mail account (credential guessing).
Brute-Force
🇩🇪 eebh.hu
Brute-Force
🇧🇾 hbars.by
2026-11-12T16:02:54.155780+03:00 radionet dovecot: auth: passwd-file([email protected],123.139.221.154,<CBoE7hNg4cd7i92a>): unknown user
Brute-Force
🇿🇦 Megasurf
IMAP/POP3 mailbox login brute-force. Blocked automatically by our firewall (LF_POP3D).
Brute-Force
🇬🇧 Hobby Bob
Nov 12 11:41:02 mail dovecot: pop3-login: Disconnected: Connection closed (auth failed, 1 attempts in 0 secs): user=, rip=123.139.221.154, lip=X.X.X.X session=
Port Scan Hacking
🇺🇸 TTWebhosting
(pop3d) Failed POP3 login from 123.139.221.154 (CN/China/Shaanxi/Xian/-/[AS4837 CHINA UNICOM China169 Backbone]): 1 in the last 3600 secs
Brute-Force Port Scan Hacking
Anonymous
Hacking Brute-Force
🇧🇾 hbars.by
Brute-Force
Anonymous
Brute-Force
🇳🇱 big-cloud.nl
Unauthorized IMAP/POP3 connection attempt
Brute-Force
🇳🇱 wlt-blocker
Attempts to login to mail server with wrong username and/or password
Brute-Force
🇫🇷 uthul
T-Pot honeypot: 12 hits on ports [110] (automated)
Port Scan

Showing 1 to 15 of 17 reports

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