findstr

• netstat -an | findstr PORT_NUMBER
• route print | findstr 10.10.10.1

Related

• grep

See also

• ack, ag, grep, egrep, fgrep, agrep, ngrep, pgrep, awk, sed, strings, tr, tail, mtail, git grep, wc, uniq, LogQL, findstr (Windows), rg, git-grep, cut
• PowerShell, Get-Process, Get-ComputerInfo, findstr, Write-output, DSC, iex, Enable-PSRemoting