IPv4 has 24 bits for allocating network prefixes. All of these prefixes have been allocated, and they change hands for as much as $15,000 each. IPv6 has 48 bit

IPv4 has 24 bits for allocating network prefixes. All of these prefixes have been allocated, and they change hands for as much as $15,000 each. IPv6 has 48 bits for allocating network prefixes.