From: "George J. Jahchan, Eng." <NetFilter-Users@Compucenter.org> [...] > As mentioned before, classes A & D networks are fairly well documented on > IANA's site <http://www.iana.org/assignments/ipv4-address-space>, but B and > C are listed as "various registries" and in bulk, which is of no help. > I need a list of 128~191 and 192~223 netblocks which are either reserved or > not assigned. [...] so you plan on checking currently unassigned ip blocks on a daily base just in case some ISP suddenly gets such a block assigned? well, there are for sure some efford/reward relations that are not worth doing.. this is one of them ;) if you want security, unplug the network cable ;-)
