SOLARIS: Script to find out process information and their IP Address using port number without lsof

Use below script to find out  process information and their IP Address using port number

#!/bin/bash
# Get the process which listens on port
# $1 is the port we are looking for
if [ $# -lt 1 ]
then
echo "Please provide a port number parameter for this script"
echo "e.g. $0 22"
exit
fi
echo "Greping for your port, please be patient (CTRL+C breaks) ... "
for i in `ls /proc`
do
pfiles $i | grep AF_INET | grep $1
if [ $? -eq 0 ]
then
echo Is owned by pid $i
/usr/bin/ps -ef -o pid -o args | egrep -v "grep|pfiles" | grep $i
fi
done