Looking for my biological father! i need help!!!

I'm looking for my biological dad who returned to Australia about 3wks after I was born. He and my mom used to date and at the age of 25,she got pregnant with me and I am turning 22 in December (my birthday,8/12/1991). He had to depart Papua New Guinea for Australia bcoz his citizenship visa expired around that time. Its been almost 22yrs and without knowing much i wanna know who he is and what he looks like. He is an Australian and his name is John Russell, born on the 26 of January, 1961.
I know there's are a lot of men with that name but my instincts will somehow lead me to him. God is my strength now.
I need my father. :'( :'(

Natashar!!