<Tr> <Td> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> <P> IPv4 uses 32 - bit addresses which limits the address space to 4294967296 (2) addresses . </P> <P> IPv4 reserves special address blocks for private networks (~ 18 million addresses) and multicast addresses (~ 270 million addresses). </P>

How many bits in length is an ipv4 address