Here is a list of the IPv4 allocations made by ARIN yesterday which were larger than /24:

Psychz Networks – /16
National Radio Astronomy Observatory – /18, /19, /20, /21
Cinergy Metronet Inc – /21
County of Orangeburg – /22
Fuego Wireles LLC – /22
Matador Trading Inc – /22
WillitsOnline LLC – /22
AGC Networks Inc – /23
My.com US Inc – /23

There was one /24 allocated.  Some blocks were returned.