Comcast recently received a /9 prefix from ARIN (50.128.0.0/9, to be precise) despite moving toward IPv6 for internal addressing since at least 2006. This is 2^23 global IPv4 addresses, about 8 million, which some commenters state is somewhat out of line with ARIN's policy to provide only a year's worth of allocations at a time--- Comcast has been ( Read more... )