On Mon, May 28, 2012 at 06:56:29PM -0500, Brett Frankenberger <rbf+na...@panix.com> wrote a message of 15 lines which said:
> How does your employer know if two nameservers (two IP addresses) are > on the same subnet? The current heuristic for IPv4 is "belongs in the same /28" (and /64 for IPv6). Otherwise, Mark Andrews is right, we should use a BGP feed but it would be complicated for a command-line tool.
