Open Port Scanner

Scan open TCP ports on any host or server

⚠️ Authorized Testing Only — This tool is for authorized testing only. Only scan hosts you own or have permission to test.
Rate Limit Reached
The free HackerTarget API allows limited scans per day. Consider using:
  • nmap <host> - if you have nmap installed locally
  • netstat -an - to check local ports
  • Premium scanning services for high-volume testing

Common Port Reference