IPv4 (Internet Protocol version 4) is the fourth version of the Internet Protocol (IP). It is one of the core protocols of standards-based internetworking methods in the Internet and other packet-switched networks. IPv4 uses a 32-bit address space, allowing for approximately 4.3 billion unique addresses. It is widely used for identifying devices on a network through IP addresses, enabling communication between them by routing data packets based on these addresses.
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