![]() Public IPv4 address assignments should be made with the following goals in mind: These are described in the IANA IPv4 Special-Purpose Address Registry and are beyond the scope of this document. Some address ranges are reserved for special use purposes. Where full Internet connectivity is needed, unique, public addresses should be used.įor a detailed description of “Address Allocation for Private Internets” and the actual ranges of addresses set aside for that purpose, please refer to RFC 1918 found at: įor information on the “Architectural Implications of NAT”, please refer to RFC 2993, found at: Private addresses restrict a network so that its hosts only have partial Internet connectivity. Such connectivity is enabled by using the technique known as Network Address Translation (NAT). Hosts using these addresses cannot directly be reached from the Internet. Anyone may use these addresses in their private networks without registration or co-ordination. Some address ranges are set aside for the operation of private IP networks. The two types of IPv4 address described in this documents are Provider Aggregatable (PA) and Provider Independent (PI). Public IP addresses are distributed to be globally unique according to the goals described in Section 3 of this document. There are three main types of IPv4 addresses: The RIPE community's policies for ASN assignment and IPv6 are published in the RIPE Document Store at:įor the purposes of this document, IP addresses are 32-bit binary numbers used as addresses in the IPv4 protocol. Nor does it describe address distribution policies used by other RIRs. This document does not describe policies related to AS Numbers, IPv6, Multicast, or private address space. These policies must be implemented by all RIPE NCC member LIRs. The policies documented here apply to all IPv4 address space allocated and assigned by the RIPE NCC. This document describes the policies for the responsible management of globally unique IPv4 Internet address space in the RIPE NCC service region. The distribution of IP space follows the hierarchical scheme described in the document " Internet Registry System". ![]() The RIPE NCC is responsible for the allocation and assignment of Internet Protocol (IP) address space, Autonomous System Numbers (ASNs) and the management of reverse domain names within this region. Its service region incorporates Europe, the Middle East, and Central Asia. ![]() The RIPE NCC is an independent association and serves as one of five Regional Internet Registries (RIRs). Information on the Address Policy WG is available at:ģ.0 Goals of the Internet Registry Systemĥ.0 Policies and Guidelines for Allocationsĥ.1 Allocations made by the RIPE NCC to LIRsĦ.0 Policies and Guidelines for AssignmentsĦ.1 Assignments to Internet Exchange PointsĦ.2 Network Infrastructure and End User Networksĩ.0 Closing an LIR by the RIPE NCC 1.0 Introduction These policies apply to the RIPE NCC and the Local Internet Registries (LIRs) within the RIPE NCC service region. ![]() The RIPE Network Coordination Centre (RIPE NCC) facilitates and supports this process. They were developed through a bottom-up, consensus driven, open policy development process in the RIPE Address Policy Working Group (AP WG). ![]() This document describes the RIPE community's current IPv4 address allocation and assignment policies. ![]()
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