250 million-plus unused IPv4 addresses should be left alone, argues network boffin

Tests show it's just too hard to put the unused 240/4 block to work
The 240/4 block of IPv4 addresses – the six percent of the available IPv4 space that is currently not available for public use – should be left alone rather than being added to the pool of available internet resources, according to Geoff Huston, chief scientist of the Asia Pacific Network Internet Center.…