On Tue, 6 Mar 2012, Guru NANOG wrote: > Adding four more bits to the Left of the Source Address and setting > those bits to 1111 (0xF) can help to start the migration to "Regions" > and more IPv4 Addresses - Using and Re-Using legacy > spectrum > http://www.iana.org/assignments/ipv4-address-space/ipv4-address-space.txt Drugs are bad, mmmmmkay? *plonk* jms