They limited the amount of space in an IPv4 packet used to store the address to 4 bytes, or 32 bits, limiting the size of an ...

and the IPv4 scheme used since the 1980s has a 32-bit address space that provides only 4,294,967,296 possibilities. All that growth now means that IPv4 addresses are now in short supply ...

The format of an IP address in the traditional 32-bit version of the IP protocol. For the foreseeable future, IPv4 will co-exist with the newer IPv6 version (see IPv6). IPv4 uses a "dotted decimal ...

In other words, IPv6 has a much larger address space and embedded functionality by ease of configuration, more security to ...

Earlier this week, IANA allocated two blocks of IPv4 address space to the Asia Pacific Network Information Centre (APNIC), the Regional Internet Registry (RIR) for the Asia Pacific region.