On the Practical Feasibility of Ping Sweeping IPv6 Networks
The IPv6 address space is huge. On paper each IPv6 subnet (/64) supports more than 18.4 quintillion hosts (millions, billions, trillions, quadrillions and then quintillions). It’s an amazingly large number. By every conceivable measure today we can’t contemplate a situation where anything but the tiniest portion of that address space will actually be utilized. Assuming…