Hi Stan
-- Ideal would be to verify with RIPE database and reverse DNS -- Great would be security levels, so that various pools could be administered by different people
Look for the Lucent Vital Suite. At work i use QIP for the hole management. I know our part is not the same as for ISP.
http://www.lucent.com/solutions/nms.html
If you want more information ask Genesis Communcation. This is the main distributor in Switzerland for this Software
Regards Adrian