Back in December ColoCrossing was issued by ARIN a /14 of IP space:
http://www.spamhaus.org/sbl/query/SBL214220
NetRange: 107.172.0.0 - 107.175.255.255
CIDR: 107.172.0.0/14
OriginAS: AS36352
NetName: CC-17
NetHandle: NET-107-172-0-0-1
Parent: NET-107-0-0-0-0
NetType: Direct Allocation...