Originally, the IANA functions is managed by Dr. [[Jon Postel]] under a contract with DARPA. He was responsible in coordinating and allocating blocks of Internet Protocol Addresses to the Regional Internet Registries ([[RIR]]).<ref> | Originally, the IANA functions is managed by Dr. [[Jon Postel]] under a contract with DARPA. He was responsible in coordinating and allocating blocks of Internet Protocol Addresses to the Regional Internet Registries ([[RIR]]).<ref> |