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  2. List of assigned /8 IPv4 address blocks - Wikipedia

    en.wikipedia.org/wiki/List_of_assigned_/8_IPv4...

    Internet Assigned Numbers Authority (IANA). 21 December 2017 The authoritative up-to-date list of IANA assignments. "ARIN Whois Database". American Registry for Internet Numbers (ARIN) Historical IP address lists: "INTERNET PROTOCOL ADDRESS SPACE". Internet Assigned Numbers Authority (IANA). October 2000.

  3. Internet Assigned Numbers Authority - Wikipedia

    en.wikipedia.org/wiki/Internet_Assigned_Numbers...

    The Internet Assigned Numbers Authority (IANA) is a standards organization that oversees global IP address allocation, autonomous system number allocation, root zone management in the Domain Name System (DNS), media types, and other Internet Protocol–related symbols and Internet numbers. [1] [2]

  4. List of countries by IPv4 address allocation - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by_IPv4...

    This is a list of countries by IPv4 address allocation. The Internet Assigned Numbers Authority (IANA) distributes large blocks of addresses to regional Internet registries (RIRs), which then assign them to national Internet registries and local Internet registries within their respective service regions. [ 1 ]

  5. IPv4 shared address space - Wikipedia

    en.wikipedia.org/wiki/IPv4_shared_address_space

    This scheme hides a large number of IP addresses behind a small set of public addresses, the same way the CPE does this locally, slowing down the rate IPv4 addresses are depleted. The shared address space contains 2 22 or 4 194 304 addresses, so each ISP is able to connect over 4 million subscribers this way.

  6. Autonomous system (Internet) - Wikipedia

    en.wikipedia.org/wiki/Autonomous_system_(Internet)

    This is an accepted version of this page This is the latest accepted revision, reviewed on 17 January 2025. Internet routing system An autonomous system (AS) is a collection of connected Internet Protocol (IP) routing prefixes under the control of one or more network operators on behalf of a single administrative entity or domain, that presents a common and clearly defined routing policy to ...

  7. Address pool - Wikipedia

    en.wikipedia.org/wiki/Address_pool

    In the context of the Internet addressing structure, an address pool is a set of Internet Protocol addresses available at any level in the IP address allocation hierarchy. At the top level, the IP address pool is managed by the Internet Assigned Numbers Authority (IANA).

  8. Reserved IP addresses - Wikipedia

    en.wikipedia.org/wiki/Reserved_IP_addresses

    Download QR code; Print/export ... (IANA) have reserved various Internet Protocol (IP) addresses for special purposes. ...

  9. Multicast address - Wikipedia

    en.wikipedia.org/wiki/Multicast_address

    Addresses in the reserved 224.2.0.0 / 16 range are not individually assigned by IANA. Fallen out of use [11]: §10 for security considerations, experimental Session Announcement Protocol [12] was the primary means of supplying addresses through Session Description Protocol, which now is mostly used in the establishment of private sessions.