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.

Keywords:IP address, IP ranges, firewall groups, firewall, IPv6, IPv4, Network Tree, netmasks, powers of two, CIDR, Network Ranges   Doc ID:47956
Owner:Network E.Group:University of Illinois Technology Services
Created:2015-03-03 14:57 CDTUpdated:2022-10-11 10:29 CDT
Sites:University of Illinois Technology Services
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