можно еще вот как:
#netstat -Aan | grep 657
f100060011293398 tcp 0 0 *.657 *.* LISTEN
f100060017405c00 udp 0 0 *.657 *.*
f10006001794d408 stream 0 0 f10001006e657be8 0 0 0 /oracle/iibob/exe/bobje//tmp/.MwSocket204
#rmsock f100060011293398 tcpcb
The socket 0x11293008 is being held by proccess 905232 (rmcd).
#ps -ef | grep 905232
