123.121.99.16

Recent Activity This IP has received recent abuse reports, which causes the score to increase.
Abuse Confidence Score
51% Elevated
8 reports
8 reporters · latest 5 hours ago
ISP
China Unicom Beijing province network
Usage Type
Fixed Line ISP
ASN
AS4808
Domain Name
chinaunicom.cn
Country
🇨🇳 China
City
Beijing, Beijing
Log in to view charts and search reports for this IP. Log In
Example preview
Account required for the enhanced features Log in Sign up

Abuse Reports

Total reports
8 from 8 distinct reporters
First reported
Most recent report
Last 60 days
Top reporter locations 🇳🇱 Netherlands 2 🇦🇹 Austria 1 🇩🇪 Germany 1
Most common categories Brute-Force 5 Hacking 3 Email Spam 2 Port Scan 1
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
🇷🇸 Smel
Mail/25/465/587-993/995 Probe, Reject, BadAuth, Hack, SPAM -
Email Spam Hacking Brute-Force
Anonymous
Postfix SASL auth attack
Brute-Force Email Spam
🇳🇱 EGP Abuse Dept
Unsolicited connection to port 465
Port Scan Hacking
Anonymous
Authentication failure
Brute-Force
🇦🇹 AustrianSimon
08 Nov 2026 20:01:46UTC:Distributed Brute Force Password Attack (smtp, ftp, imap, pop, ssh) including ip address 123.121.99.16
Brute-Force
🇳🇱 maxxsense
(postfix-unknown) Failed postfix unknown login with username [redacted] from 123.121.99.16 (CN/China/-)
Hacking
🇮🇹 VHosting
Detected mail brute force attack from different servers
Brute-Force
🇿🇦 IrisFlower
Unauthorized connection attempt detected from IP address 123.121.99.16 to port 443 [J]
Port Scan Hacking

Think this IP has been falsely reported? You may request to have the associated reports reviewed and removed. Request Takedown

Recently Reported IPs:

🇳🇱 195.178.110.30
🇻🇳 123.20.19.234
🇸🇬 47.79.200.23
🇩🇪 34.32.119.160
🇱🇰 220.247.224.226
🇦🇷 186.121.191.157
🇳🇱 109.160.32.111
🇺🇸 108.181.55.159
🇻🇳 103.61.44.43
🇬🇧 46.101.3.95
🇦🇷 45.70.89.219
🇺🇸 43.166.244.192
🇺🇾 186.50.130.128
🇨🇳 106.127.142.33
🇸🇬 95.135.175.165
🇺🇸 66.240.223.214
feedback