[fw-wiz] IP Ranges

Hi all,
I have been searcing in the list and in google about how to specify ip
ranges in different low level firewall languages.

I have read that it is possible to do that with iptables using
--ip-range parameter. But I could'nt find any information reagarding PIX
or PF using a syntax like iptables one.
I know it is possible to specify contiguous and non-contiguous ip ranges
using subnets (Subnet Calculator is a good application for that), and a
combination of deny and permit rules. But the question is if there is a
way to specify a range using the easy-to-use format of iptables: (I know there is a mix of subnets...)

Thank you very much in advance.
Best regards,

Sergio Pozo Hidalgo
Quivir Research Group <www.lsi.us.es/~quivir>
University of Seville (Spain)
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