Port Number Lookup
Search IANA well-known, registered, and dynamic network ports by number or protocol name instantly.
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Port Ranges Reference
1. Well-Known Ports
Ports 0 through 1023. Assigned by IANA for core system and network services (e.g. HTTP, HTTPS, SSH).
2. Registered Ports
Ports 1024 through 49151. Assigned by IANA for specific vendor applications and user software.
3. Dynamic / Private
Ports 49152 through 65535. Used temporarily for client-side ephemeral outbound connections.
Frequently ASKED Questions (FAQ)
TCP provides connection-oriented, reliable packet delivery, whereas UDP provides connectionless, low-overhead transmission often used for streaming and DNS.
Yes. You can type names like `http`, `ssh`, `mysql`, or `redis` to instantly find their assigned port numbers.
Yes. All queries use a bundled repository of common IANA port mappings executing entirely client-side.