Exclusion Ranges that border DHCP ranges - BlueCat Address Manager - 9.0.0

Address Manager Administration Guide

BlueCat Address Manager

These are a special case. If the exclusion range borders the starting or ending IP address of the DHCP range, the address pool is shortened to the first or last valid IP address in the range on Address Manager.

For example, if you created the following DHCP range:, and then created an exclusion range of the deployed address pool would be
Note: If you need to exclude IP addresses that border the first or the last IP addresses in a range, BlueCat recommends that you start (or end) the range without including bordering exclusions.