Geographic locations
Customers or departments
Equipment racks, optionally organized by group
Rack-mounted network equipment, servers, and other devices
Interfaces
Console
Power
Clusters of physical hosts in which VMs reside
Virtual compute instances running inside clusters
Virtual routing and forwarding tables
Top-level IP allocations
IPv4 and IPv6 network assignments
Individual IPv4 and IPv6 addresses
Layer two domains, identified by VLAN ID
Organizations which provide circuit connectivity
Communication links for Internet transit, peering, and other services