From Wikipedia: "The standard size of a subnet in IPv6 is 2^64 addresses, more than 4 billion times the size of the entire IPv4 address space." What he's sayin

From Wikipedia: "The standard size of a subnet in IPv6 is 2^64 addresses, more than 4 billion times the size of the entire IPv4 address space." What he's saying is that one /64 address allocation is as useful to a spammer as a single IPv4 address.