inet/cidr type ?!

[SebaM <sebastian.malyska@xxxxxxxxx>]

Hi
I am trying to create table. With in it one column will be stored ip 
address or hostnames. I found out that I should use cidr type (or inet) 
or am I wrong?

I have postgresql ver. 7.4.7 and I am useing  pgaccess tool  and with 
in  there is not  that types.  How can  I add these  types  to pgaccess 
tool ? Or could I create this table using SQL and it won't cause any 
problems?

Kindly regards
Sebastian