Chose BlueCat Integrity
For all it's worth, it's a Linux based appliance and does offer a high availability design. It does offer IP address management and can scan your network through ICMP and SNMP. It does support role-based access controls for admins.
Independently Invited by TrustRadius
A de minimis incentive was given to thank the reviewer for their time. The incentive was not used to bias or drive a particular response, nor was the incentive contingent on a positive endorsement. More Info