In Internet terminology a private network is typically a network that uses private IP address space, following the RFC 1918 standard. Computers may be allocated addresses from this address space when it is necessary for them to communicate with other computing devices on an Intranet network (internal private computer network that uses the Internet Protocol).

Network addressing architecture divides the address space for Internet Protocol Version 4 (IPv4) into five address classes. Each class, coded in the first four bits of the address, defines either a different network size, i.e. number of hosts for unicast addresses (classes A, B, C), or multicast network (class D). Jul 17, 2020 · In a private cluster, the control plane or API server has internal IP addresses that are defined in the RFC1918 - Address Allocation for Private Internets document. By using a private cluster, you can ensure network traffic between your API server and your node pools remains on the private network only. Public IP addresses are used in public network such as Internet. Public IP addresses are maintained and regulated by ICANN (Internet Corporation for Assigned Names and Numbers). Private IP addresses are used in private network. Private IP addresses are locally significant and not routable in public network. Network addressing Sep 02, 2019 · To compensate, many networks use both private and public IP addresses, so several devices within a local network may share a public IP address but have separate private IP addresses. A system called the Dynamic Host Configuration Protocol (DHCP) assigns private IP addresses within a network.

What three blocks of addresses are defined by RFC 1918 for

RFC 1918: Request for Comment 1918 (RFC 1918), “Address Allocation for Private Internets,”is the Internet Engineering Task Force ( IETF ) memorandum on methods of assigning of private IP addresses on TCP/IP networks . - Private Network | IP Address Information Lookup

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Apr 20, 2012 Identifying the Differences Between Public and Private Aug 01, 2016 using "private network" addresses | AT&T Community Forums