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  2. Reserved IP addresses - Wikipedia

    en.wikipedia.org/wiki/Reserved_IP_addresses

    Subnet Used for link-local addresses [5] between two hosts on a single link when no IP address is otherwise specified, ... 192.168.0.0–192.168.255.255 65 536:

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

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

    Various registries (Maintained by ARIN). 192.0.2.0/24 reserved for TEST-NET-1 (RFC 5737). 192.88.99.0/24 reserved for 6to4 Relay Anycast (RFC 3068). 192.168.0.0/16 (192.168.0.0–192.168.255.255) reserved for private networks (RFC 1918). 192.0.0.0/24 reserved for IANA IPv4 Special Purpose Address Registry (RFC 5736). 192.0.0.0 is the start ...

  4. Subnet - Wikipedia

    en.wikipedia.org/wiki/Subnet

    The all-zeroes address is reserved as the subnet-router anycast address. [18] The subnet router anycast address is the lowest address in the subnet, so it looks like the “network address”. If a router has multiple subnets on the same link, then it has multiple subnet router anycast addresses on that link. [19] The first and last address in ...

  5. Private network - Wikipedia

    en.wikipedia.org/wiki/Private_network

    RFC 1918 name IP address range Number of addresses Largest CIDR block (subnet mask) Host ID size Mask bits Classful description [Note 1]; 24-bit block: 10.0.0.0 – 10.255.255.255: 16 777 216

  6. IP address - Wikipedia

    en.wikipedia.org/wiki/IP_address

    For example, an IPv4 address and its subnet mask may be 192.0.2.1 and 255.255.255.0, respectively. The CIDR notation for the same IP address and subnet is 192.0.2.1 / 24, because the first 24 bits of the IP address indicate the network and subnet.

  7. Wildcard mask - Wikipedia

    en.wikipedia.org/wiki/Wildcard_mask

    To indicate what IP addresses should be permitted or denied in access control lists (ACLs). A wildcard mask can be thought of as an inverted subnet mask. For example, a subnet mask of 255.255.255.0 (11111111.11111111.11111111.00000000 2) inverts to a wildcard mask of 0.0.0.255 (00000000.00000000.00000000.11111111 2).

  8. Classless Inter-Domain Routing - Wikipedia

    en.wikipedia.org/wiki/Classless_Inter-Domain_Routing

    The IP address in CIDR notation is always represented according to the standards for IPv4 or IPv6. The address may denote a specific interface address (including a host identifier, such as 10.0.0.1 / 8), or it may be the beginning address of an entire network (using a host identifier of 0, as in 10.0.0.0 / 8 or its equivalent 10 / 8).

  9. IPv4 - Wikipedia

    en.wikipedia.org/wiki/IPv4

    However, this does not mean that every address ending in 0 or 255 cannot be used as a host address. For example, in the / 16 subnet 192.168.0.0 / 255.255.0.0, which is equivalent to the address range 192.168.0.0 – 192.168.255.255, the broadcast address is 192.168.255.255.