Common Ports Lookup
Quickly find services for ports and vice-versa.
Lookup Port or Service Information
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About Network Ports
- Ports are numerical identifiers for specific processes or network services.
- Well-known Ports (0-1023): Assigned to common services (e.g., HTTP on port 80, FTP on port 21).
- Registered Ports (1024-49151): Can be registered by software vendors for specific applications.
- Dynamic/Private Ports (49152-65535): Used for temporary client-side connections or private services.
- This tool focuses on common, primarily well-known and registered, ports.
The Common Ports Lookup Tool allows users to quickly find the associated service name for a given port number, or identify the port number used by a known service. Ideal for IT beginners, networking students, and system admins seeking a fast, reference-friendly utility. Just input a port number or service name to get an instant match and description.