1. Method for managing network nodes which communicate via connectivity services of a service provider, comprising: retrieving, by a management system, information from a virtual private network routing and forwarding (VRF) table of a router; discovering, based at least in part on the retrieved VRF information, status and configuration information for each set of nodes grouped by the service provider, and status information of one or more router interfaces between the service provider and the nodes; and assigning a name to each set of nodes.