IPv4Blöcke

IPv4Blöcke, also known as IPv4 address blocks, are segments of the IPv4 address space that are allocated to organizations, Internet service providers, and other entities for use in their networks. The IPv4 address space is divided into five classes: A, B, C, D, and E. Classes A, B, and C are used for unicast addresses, which are used to identify individual devices on a network. Class D is used for multicast addresses, which are used to send data to multiple devices simultaneously. Class E is reserved for experimental purposes.

Each IPv4 address is a 32-bit number, typically represented in dotted-decimal notation, such as 192.168.1.1. The address space is further divided into subnets, which are smaller networks within a larger network. Subnetting allows for more efficient use of the IPv4 address space and improves network performance.

IPv4Blöcke are allocated by regional Internet registries (RIRs) such as ARIN, RIPE NCC, APNIC, LACNIC, and AFRINIC. These organizations manage the allocation of IPv4 addresses to ensure that the address space is used efficiently and that there are no conflicts between different networks.

The exhaustion of the IPv4 address space has led to the development of IPv6, which provides a much larger address space and addresses many of the limitations of IPv4. However, IPv4Blöcke will continue to be used for many years to come, and it is important to understand how they are allocated and used.