Re: shared address space... a reality!

On 3/14/2012 2:22 AM, Christopher Morrow wrote:

NetRange: 100.64.0.0 - 100.127.255.255 CIDR: 100.64.0.0/10 OriginAS: NetName: SHARED-ADDRESS-SPACE-RFCTBD-IANA-RESERVED

Did IANA have to justify this space to ARIN or was it just given to them no questions asked because a draft RFC specified a need for a /10?