Networking, Firewall, Powers of Two

This page contains mathematical information about how to calculate IPv4 address ranges.
NOTE: The following information applies only to IPv4 address ranges. IPv6 ranges need to be calculated differently.  Please contact Technology Services Network Design & Support at with any questions.

KeywordsIP address, IP ranges, firewall groups, firewall, IPv6, IPv4, Network Tree, netmasks, powers of two, CIDR, Network Ranges   Doc ID47956
OwnerNetwork E.GroupUniversity of Illinois Technology Services
Created2015-03-03 14:57 CDTUpdated2022-10-11 10:29 CDT
SitesUniversity of Illinois Technology Services
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