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  2. Classless Inter-Domain Routing - Wikipedia

    en.wikipedia.org/wiki/Classless_Inter-Domain_Routing

    An IP address is part of a CIDR block and is said to match the CIDR prefix if the initial n bits of the address and the CIDR prefix are the same. An IPv4 address is 32 bits so an n-bit CIDR prefix leaves 32 − n bits unmatched, meaning that 2 32−n IPv4 addresses match a given n-bit CIDR prefix. Shorter CIDR prefixes match more addresses ...

  3. List of DNS record types - Wikipedia

    en.wikipedia.org/wiki/List_of_DNS_record_types

    Specify lists of address ranges, e.g. in CIDR format, for various address families. Experimental. SINK 40 — Defined by the Kitchen Sink Internet Draft, but never made it to RFC status GPOS 27 RFC 1712 A more limited early version of the LOC record UINFO 100 —

  4. Dot-decimal notation - Wikipedia

    en.wikipedia.org/wiki/Dot-decimal_notation

    Dot-decimal notation is a presentation format for numerical data. It consists of a string of decimal numbers, using the full stop (dot) as a separation character. [1]A common use of dot-decimal notation is in information technology where it is a method of writing numbers in octet-grouped base-10 numbers. [2]

  5. Template:IP range calculator - Wikipedia

    en.wikipedia.org/wiki/Template:IP_range_calculator

    The result uses CIDR notation and can be used by an administrator to block a range of IP addresses. The template can be used by editing any page, inserting the template, and previewing the result. There is no need to save the edit. As an example, you could edit your sandbox and replace its contents with

  6. Reserved IP addresses - Wikipedia

    en.wikipedia.org/wiki/Reserved_IP_addresses

    Special address blocks Address block (CIDR) First address Last address Number of addresses Usage Purpose ::/128 :: :: 1 Software Unspecified address

  7. File:IPv6 CIDR table-en.svg - Wikipedia

    en.wikipedia.org/wiki/File:IPv6_CIDR_table-en.svg

    Storing tables as images makes it harder to change (update, translate, …) them. Wikitables also help making sure to be consistent in font and size. Deutsch ∙ English ∙ español ∙ italiano ∙ 日本語 ∙ македонски ∙ മലയാളം ∙ português do Brasil ∙ русский ∙ slovenščina ∙ +/−

  8. Subnet - Wikipedia

    en.wikipedia.org/wiki/Subnet

    The modern standard form of specification of the network prefix is CIDR notation, used for both IPv4 and IPv6. It counts the number of bits in the prefix and appends that number to the address after a slash (/) character separator. This notation was introduced with Classless Inter-Domain Routing (CIDR). [2]

  9. Longest prefix match - Wikipedia

    en.wikipedia.org/wiki/Longest_prefix_match

    Longest prefix match (also called Maximum prefix length match) refers to an algorithm used by routers in Internet Protocol (IP) networking to select an entry from a routing table. [1] Because each entry in a forwarding table may specify a sub-network, one destination address may match more than one forwarding table entry. The most specific of ...