> ... in the same /64 range for the most part, so as easy to block/filter/limit as one IPv4 address. Possibly even easier, because of IPv4 deaggregation. (Bec

> ... in the same /64 range for the most part, so as easy to block/filter/limit as one IPv4 address. Possibly even easier, because of IPv4 deaggregation. (Because of IPv4 address scarcity, many providers have discontinous IPv4 address space. This is mostly a problem for the core, because it leads to much larger BGP routing tables.)