PrefixLength - Property in wmi

List of namespaces with PrefixLength property

NameSpace	n of Classes
ROOT\CIMV2\storage\iscsitarget	2
ROOT\Microsoft\IPAM	4
ROOT\Microsoft\IPAM\MS_409	4
ROOT\Microsoft\Windows\DHCP	1
ROOT\Microsoft\Windows\DHCP\MS_409	1
ROOT\StandardCimv2	3
ROOT\StandardCimv2\MS_409	2
ROOT\virtualization\v2	1
ROOT\virtualization\v2\ms_409	1