Network Tools
Check whether a port number falls into a well-known, registered, or dynamic range.
Use this Port Range Checker to classify a TCP or UDP port number into the standard well-known, registered, or dynamic/private port ranges. It is useful for networking study, firewall reviews, and basic port reference checks.
Use this Port Range Checker to classify a TCP or UDP port number into the standard well-known, registered, or dynamic/private port ranges. It is useful for networking study, firewall reviews, and basic port reference checks.
Use port range checker when you need a fast browser-based result without extra setup. It works well for quick checks, one-off tasks, and routine formatting or calculation work.
Read step-by-step usage guidance, best practices, and common mistakes.
See common questions and answers about input, output, and tool usage.
Review practical input and output examples before running the tool.
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Input
80
Output
Port: 80 Range: Well-Known Ports Description: 0-1023
Port 80 belongs to the well-known system port range.
Input
49152
Output
Port: 49152 Range: Dynamic / Private Ports Description: 49152-65535
Shows a port in the dynamic/private range.
Fix: Enter an integer port value between 0 and 65535.
Fix: Use a value from 0 to 65535.
Fix: This tool classifies the port range only and does not test whether the port is open.
It checks which standard port range a port number belongs to.
No. It classifies the number only and does not test live connectivity.
They are ports from 0 to 1023 typically reserved for common system services.
They are ports from 1024 to 49151 often used by user applications and vendor services.
They are ports from 49152 to 65535 commonly used for ephemeral client-side connections.