A comprehensive, searchable reference of IANA network port numbers. Find TCP and UDP services quickly with real-time filtering.
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| Port | Protocol | Service | Description | Category |
|---|
IANA port number ranges and their designated purposes.
Assigned by IANA for system-level and widely-used services. Requires privileged access (root/admin) on most operating systems.
Registered with IANA for user-level applications and services. Vendors and software projects can request assignments in this range.
Not officially assigned. Used as ephemeral ports by the operating system for temporary client connections. Cannot be registered with IANA.
PORTS