3 ms·
> For one thing, a /64 issued to a house is a pretty daunting search space for the scanning worms of yesterday. Some math to illustrate this: * IPv4 has 2^32
by throw0101c 4y ago
> For one thing, a /64 issued to a house is a pretty daunting search space for the scanning worms of yesterday.
Some math to illustrate this:
* IPv4 has 2^32 addresses
* 2^32 ≈ 4 billion
* in mathematics, a^x = a^(y+z) = a^y * a^z
* so: 2^64 = 2^32 * 2^32
* therefore: 2^64 = four billion IPv4 Internets
One IPv6 subnet can fit many, many entire IPv4 Internets.