Overlapping IP addresses

In a networked environment, the same IP addresses can be reused and configured across multiple systems (devices) that are running in separate networks. These IP addresses, known as overlapping IP addresses, are prominent in (1) Multiprotocol Label Switching (MPLS) VPN environments and (2) networks that are centrally managed by Managed Service Providers, where private IP networks of customers often deploy identically numbered IP address spaces.