Enhancements made to the netstat(1M) command enable you to easily trace user and process information to discover who created and controls network endpoints. You can use the netstat command with the –u option to display the user and process ID, and the program that created the network endpoint or currently controls the network endpoint.
# netstat -u
For more information, see Displaying User and Process Information in Administering TCP/IP Networks, IPMP, and IP Tunnels in Oracle Solaris 11.2 .