Here are the IPv4 allocations made by ARIN on 3 June 2014 larger than /24:
Lightower Fiber Networks – /19
EPB Fiber Optics – /20
Golden Belt Telephone – /20
Query Foundry LLC – /20
Virtuzo – /20
Co-Mo Comm Inc – /21
Bristol Virginia Utilities – /22
City of Cartersville – /22
Community Cable & Broadband Inc – /22
Idigital Internet Inc – /22
Netwurx LLC – /22
PenTeleData Inc – /22
Kiehl IT Services LLC – /23
There was one /24 allocated. Some blocks were returned.