> Amazon currently has 2880 ipv4 allocations and 946 ipv6 allocations... not much gained I guess?
Whole IPv4 address space is 4294967296 addresses.
A single /48 is 1,208,925,819,614,629,174,706,176.
And 2804:800::/32 is 79,228,162,514,264,337,593,543,950,336.