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Technical Information

Resources

ARIN is committed to promoting new and developing technologies for managing IP number resources.

Address Space Allocations

  • IPv4 and IPv6 Space Allocated to ARIN
  • Micro-allocations Made by ARIN
  • ASNs and Names
  • IANA IPv4 Address Space Allocation Information
  • IANA IPv6 Address Space Allocation Information
  • IANA ASN Range Allocation Information
  • Some Relevant RFCs

    The following RFCs are relevant to ARIN and the Policy Development Process, and are meant as a historical reference. This list is not necessarily complete, nor is it keep up to date on a regular basis. Please visit the RFC Database for the most current information.

  • RFC 791 Internet Protocol BGP and AS
  • RFC 1700 Assigned Numbers
  • RFC 1771 A Border Gateway Protocol 4 IP Network Numbers
  • RFC 1772 Application of the Border Gateway Protocol in the Internet
  • RFC 1773 Experience with the BGP-4 protocol
  • RFC 1812 Requirements for IP Version 4 Routers
  • RFC 1878 Variable Length Subnet Table For IPv4
  • RFC 1887 An Architecture for IPv6 Unicast Address Allocation
  • RFC 1918 Address Allocation for Private Internets
  • RFC 1930 Guidelines for creation, selection, and registration of an Autonomous System (AS)
  • RFC 1965 Autonomous System Confederations for BGP
  • RFC 2050 Internet Registry IP Allocation Guidelines
  • RFC 2071 Network Renumbering Overview: Why would I want it...
  • RFC 2072 Router Renumbering Guide
  • RFC 2167 Referral Whois (RWhois) Protocol V1.5
  • RFC 2185 Routing Aspects of IPv6 Transition
  • RFC 2373 IP Version 6 Addressing Architecture
  • RFC 2374 An IPv6 Aggregatable Global Unicast Address Format
  • RFC 2460 Internet Protocol, Version 6 (IPv6) Specification
  • RFC 2464 Transmission of IPv6 Packets over Ethernet
  • RFC 2500 Internet Official Protocol Standards
  • RFC 2622 Routing Policy Specification Language
  • RFC 2650 Using RPSL in Practice
  • RFC 3194 The Host-Density Ratio for Address Assignment Efficiency
  • RFC 4632 Classless Inter-domain Routing (CIDR): The Internet Address Assignment and Aggregation Plan