Hello,During NANOG 51, Manish Karir gave a Lightning Talk showing how much and what kind of traffic is going to unallocated address space in 5/8 and 37/8 (among other ranges he tested).
This is now also available on RIPE Labs: http://labs.ripe.net/Members/mkarir/first-impressions-of-pollution-in-two-ripe-ncc-darknets Kind Regards, Mirjam Kuehne RIPE NCC