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  2. IPv6 address - Wikipedia

    en.wikipedia.org/wiki/IPv6_address

    The size of a block of addresses is specified by writing a slash (/) followed by a number in decimal whose value is the length of the network prefix in bits. For example, an address block with 48 bits in the prefix is indicated by / 48. Such a block contains 2 128 − 48 = 2 80 addresses.

  3. Template:IP range calculator - Wikipedia

    en.wikipedia.org/wiki/Template:IP_range_calculator

    Applies to IPv6; ignored for IPv4 addresses. The number n can be 48 to 128; the default is 64. With the default value of 64, ranges with fewer IPv6 addresses than a /64 allocation are not considered. That means the results will not include a /n range with n > 64. |results=all

  4. Subnet - Wikipedia

    en.wikipedia.org/wiki/Subnet

    IPv6 does not implement special address formats for broadcast traffic or network numbers, [17] and thus all addresses in a subnet are acceptable for host addressing. The all-zeroes address is reserved as the subnet-router anycast address. [ 18 ]

  5. Classless Inter-Domain Routing - Wikipedia

    en.wikipedia.org/wiki/Classless_Inter-Domain_Routing

    A subnet mask is a bitmask that encodes the prefix length associated with an IPv4 address or network in quad-dotted notation: 32 bits, starting with a number of 1-bits equal to the prefix length, ending with 0-bits, and encoded in four-part dotted-decimal format: 255.255.255.0. A subnet mask encodes the same information as a prefix length but ...

  6. Private network - Wikipedia

    en.wikipedia.org/wiki/Private_network

    Download QR code; Print/export ... Subnet ID Number of addresses in subnet 48 bits ... IPv6 defines unique local addresses, [2] ...

  7. Unique local address - Wikipedia

    en.wikipedia.org/wiki/Unique_local_address

    A unique local address (ULA) is an Internet Protocol version 6 (IPv6) address in the address range fc00:: / 7. [1] These addresses are non-globally reachable [2] (routable only within the scope of private networks, but not the global IPv6 Internet).

  8. 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.

  9. IPv6 - Wikipedia

    en.wikipedia.org/wiki/IPv6

    The standard size of a subnet in IPv6 is 2 64 addresses, about four billion times the size of the entire IPv4 address space. Thus, actual address space utilization will be small in IPv6, but network management and routing efficiency are improved by the large subnet space and hierarchical route aggregation.