array fill/sort question

hi, I'm working on a ipaddres/subnet programm now i have a talbe with a lot of information about ip-addresses i'm having this query: SELECT s_id, subnet_name,subnetaddr,subnetmask,dnsdomain, location, contact, ccn FROM subnets the subnetaddr field looks like this : 100.20.20.1 and is ofcourse a varchar field BUT before displaying it on the screen i have to sort it by subnetaddr and then show it but i have to sort it as integer, so i use the php-function ip2long(); so you get a decimal... so what i have to do: do the query> make a decimal field of the 'subnetaddr' put it in an array, sort it and display it BUT how can i put ALL of the fields in the query in an array, sort it, and then display it? please help me, I can't work it out :( thanks, Mark