System command

netstat command

Display network connections, listening ports and related statistics.

Availability: Microsoft Learn command reference spanning Windows client and Windows Server releases; some entries are legacy, role-specific, optional-feature or interactive subcommands.中文

Documented syntax

netstat [-a] [-b] [-e] [-n] [-o] [-p <Protocol>] [-q] [-r] [-s] [<interval>]

The linked Microsoft Learn article is the upstream authority. Availability may depend on Windows release, role, optional feature or interactive tool context.

Examples

Example usage for netstat.

netstat -ano

Parameters, options and clauses

Option / clauseDescription
-aShow all connections and listening ports.
-nShow addresses and ports numerically.
-oShow the owning process ID.
-bShow associated executables; may require elevation.
-r, -sShow routing information or per-protocol statistics.
-eMicrosoft documents this switch; use the linked reference for accepted values, effects and version limits.
-pMicrosoft documents this switch; use the linked reference for accepted values, effects and version limits.
<Protocol>Microsoft documents this argument or subcommand; check the linked reference for its required format and context.
-qMicrosoft documents this switch; use the linked reference for accepted values, effects and version limits.
<interval>Microsoft documents this argument or subcommand; check the linked reference for its required format and context.
Safety note

Review a command and its target before running it. Commands that alter files, services, accounts, disks, permissions or databases may be difficult to reverse. Test in a safe environment and keep backups.

Official reference ↗Back to directory