Patent ID: 7844736

Claim:
A lookup request fulfillment system comprising: a network; a MAC-to-IP server device connected to the network; a memory accessible to the MAC-to-IP server device via the network and wherein the memory comprises a MAC-to-IP datastore, and wherein the MAC-to-IP server device comprises instructions for: receiving lease information from a DHCP server device for a network end-point (NEP), wherein the lease information comprises a MAC address, an IP address, and lease expiration information; creating a lease record comprising the lease information; storing the lease record in the MAC-to-IP datastore; deleting the lease record from the MAC-to-IP datastore upon lease expiration; receiving a DNS lookup request from a network device via the network; converting the DNS lookup request into a MAC-to-IP datastore query; obtaining data from the MAC-to-IP datastore to fulfill the DNS lookup request; creating a DNS lookup response from the data obtained from the MAC-to-IP datastore, wherein the DNS lookup response is presented in the form of a DNS message; and sending the DNS lookup response to the network device.