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

   en.wikipedia.org/wiki/List_of_assigned_/8_IPv4...

   Originally AT&T Bell Laboratories, but retained by AT&T when Bell Labs was spun off to Lucent Technologies in 1996. Assignment administered by ARIN (Legacy space) 17.0.0.0/8: Apple Inc. 1992-07: 1990-04-16: Assignment administered by ARIN (Legacy space) 19.0.0.0/8: Ford Motor Company: 1995-05: 1988-06-15: Assignment administered by ARIN (Legacy ...

3. Subnet - Wikipedia

   en.wikipedia.org/wiki/Subnet

   A subnetwork, or subnet, is a logical subdivision of an IP network. [ 1 ] : 1, 16 The practice of dividing a network into two or more networks is called subnetting . Computers that belong to the same subnet are addressed with an identical group of its most-significant bits of their IP addresses .

4. Network address - Wikipedia

   en.wikipedia.org/wiki/Network_address

   Network diagram with IP network addresses indicated e.g. 192.168.100.3.. A network address is an identifier for a node or host on a telecommunications network.Network addresses are designed to be unique identifiers across the network, although some networks allow for local, private addresses, or locally administered addresses that may not be unique. [1]

5. Link-local address - Wikipedia

   en.wikipedia.org/wiki/Link-local_address

   Link-local addresses may be assigned manually by an administrator or by automatic operating system procedures. In Internet Protocol (IP) networks, they are assigned most often using stateless address autoconfiguration, a process that often uses a stochastic process to select the value of link-local addresses, assigning a pseudo-random address that is different for each session.

6. List of countries by IPv4 address allocation - Wikipedia

   en.wikipedia.org/wiki/List_of_countries_by_IPv4...

   This is a list of countries by IPv4 address allocation.. The Internet Assigned Numbers Authority (IANA) distributes large blocks of addresses to regional Internet registries (RIRs), which then assign them to national Internet registries and local Internet registries within their respective service regions. [1]

7. 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, such as would have normally been retrieved from a DHCP server 172.16.0.0/12 172.16.0.0–172.31.255.255 1 048 576: Private network Used for local communications within a private network [3] 192.0.0.0/24 192.0.0.0–192.0.0.255 256

8. Classless Inter-Domain Routing - Wikipedia

   en.wikipedia.org/wiki/Classless_Inter-Domain_Routing

   A subnet mask encodes the same information as a prefix length but predates the advent of CIDR. In CIDR notation, the prefix bits are always contiguous. Subnet masks were allowed by RFC 950 [6] to specify non-contiguous bits until RFC 4632 [5]: Section 5.1 stated that the mask must be left contiguous. Given this constraint, a subnet mask and ...

9. Broadcast address - Wikipedia

   en.wikipedia.org/wiki/Broadcast_address

   Network IP address breakdown for 172.16.0.0 / 12 Binary form Dot-decimal notation In bold below is shown the host part (suffix) of the IP address, with the network address prefix being the non-bold bits to its left. To obtain the broadcast address, the host bits get set to all 1's, while the network address prefix bits remain intact. 1. Network ...