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

    en.wikipedia.org/.../8_IPv4_address_blocks

    Each / 8 block contains 256 3 = 2 24 = 16,777,216 addresses, which covers the whole range of the last three delimited segments of an IP address. This means that 256 /8 address blocks fit into the entire IPv4 space.

  3. Subnet - Wikipedia

    en.wikipedia.org/wiki/Subnet

    The IPv6 address specification 2001:db8:: / 32 is a large address block with 2 96 addresses, having a 32-bit routing prefix. For IPv4, a network may also be characterized by its subnet mask or netmask, which is the bitmask that, when applied by a bitwise AND operation to any IP address in

  4. Classless Inter-Domain Routing - Wikipedia

    en.wikipedia.org/wiki/Classless_Inter-Domain_Routing

    The large address size of IPv6 permitted worldwide route summarization and guaranteed sufficient address pools at each site. The standard subnet size for IPv6 networks is a / 64 block, which is required for the operation of stateless address autoconfiguration. [17]

  5. Classful network - Wikipedia

    en.wikipedia.org/wiki/Classful_network

    Size of network number bit field Size of rest bit field Number of networks Addresses per network Total addresses in class Start address End address Default subnet mask in dot-decimal notation CIDR notation; Class A 0 8 24 128 (2 7) 16,777,216 (2 24) 2,147,483,648 (2 31) 0.0.0.0: 127.255.255.255 [a] 255.0.0.0 / 8: Class B 10 16 16 16,384 (2 14 ...

  6. Private network - Wikipedia

    en.wikipedia.org/wiki/Private_network

    Largest CIDR block (subnet mask) Host ID size Mask bits 100.64.0.0 – 100.127.255.255 ... The size of the address block was selected to be large enough to uniquely ...

  7. IP address - Wikipedia

    en.wikipedia.org/wiki/IP_address

    The term subnet mask is only used within IPv4. Both IP versions however use the CIDR concept and notation. In this, the IP address is followed by a slash and the number (in decimal) of bits used for the network part, also called the routing prefix. For example, an IPv4 address and its subnet mask may be 192.0.2.1 and 255.255.255.0, respectively.

  8. File:VLSM Chart.svg - Wikipedia

    en.wikipedia.org/wiki/File:VLSM_Chart.svg

    English: VLSM chart, shows the different possible subnets with masks larger than /24. Helps to find the network, netmask and host addresses. Helps to find the network, netmask and host addresses. Español: Tabla VLSM, muestra las diferentes subredes posibles con máscaras mayores a /24.

  9. IPv4 - Wikipedia

    en.wikipedia.org/wiki/IPv4

    It is used as a local broadcast address for sending messages to all devices on the subnet simultaneously. For networks of size / 24 or larger, the broadcast address always ends in 255. For example, in the subnet 192.168.5.0 / 24 (subnet mask 255.255.255.0) the identifier 192.168.5.0 is used to refer to the entire subnet