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2. Network address translation - Wikipedia

   en.wikipedia.org/wiki/Network_address_translation

   Network address translation between a private network and the Internet. Network address translation (NAT) is a method of mapping an IP address space into another by modifying network address information in the IP header of packets while they are in transit across a traffic routing device. [1]

3. Template:IP range calculator - Wikipedia

   en.wikipedia.org/wiki/Template:IP_range_calculator

   By default, a sorted list of input IP addresses is included, with any duplicates omitted. |nonote Do not show notes underneath the results. By default, when a contributions link for a range is displayed, a note is added to explain that the listed contributions, by default, are restricted to those in the previous month.

4. List of IP version numbers - Wikipedia

   en.wikipedia.org/wiki/List_of_IP_version_numbers

   Packets that hold Internet Protocol data carry a 4-bit IP version number as the first field of its header. [ 1 ] [ 2 ] Currently, only IPv4 and IPv6 packets are seen on the Internet , having IP version numbers 4 and 6, respectively.

5. IP address - Wikipedia

   en.wikipedia.org/wiki/IP_address

   IP addresses are assigned to a host either dynamically as they join the network, or persistently by configuration of the host hardware or software. Persistent configuration is also known as using a static IP address. In contrast, when a computer's IP address is assigned each time it restarts, this is known as using a dynamic IP address.

6. Wildcard mask - Wikipedia

   en.wikipedia.org/wiki/Wildcard_mask

   A wildcard mask is a mask of bits that indicates which parts of an IP address are available for examination. In the Cisco IOS, [1] they are used in several places, for example: To indicate the size of a network or subnet for some routing protocols, such as OSPF. To indicate what IP addresses should be permitted or denied in access control lists ...

7. IPv6 address - Wikipedia

   en.wikipedia.org/wiki/IPv6_address

   The IP address of the destination is used to make decisions about routing IP packets to other networks. IPv6 is the successor to the first addressing infrastructure of the Internet, Internet Protocol version 4 (IPv4). In contrast to IPv4, which defined an IP address as a 32-bit value, IPv6 addresses have a size of 128 bits.