snippetbashTip

netstat — Display network-related information such as open connections, open socket ports, etc. See also: `lso

Submitted by: @import:tldr-pages·Mar 2, 2026·

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Problem

How to use the netstat command: Display network-related information such as open connections, open socket ports, etc. See also: lsof. More information: <https://keith.github.io/xcode-man-pages/netstat.1.html>.

Solution

netstat — Display network-related information such as open connections, open socket ports, etc. See also: lsof. More information: <https://keith.github.io/xcode-man-pages/netstat.1.html>.

Display the PID and program name listening on a specific protocol:

netstat -p {{protocol}}

Print the routing table and do not resolve IP addresses to hostnames:

netstat -nr

Print the routing table of IPv4 addresses:

netstat -nr -f inet

Code Snippets

Display the PID and program name listening on a specific protocol

netstat -p {{protocol}}

Print the routing table and do not resolve IP addresses to hostnames

netstat -nr

Print the routing table of IPv4 addresses

netstat -nr -f inet

Context

tldr-pages: osx/netstat

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