The lists are available here
http://www.orlytaitzesq.com/wp-content/uploads/2011/04/Taitz-v-Astrue-Exhibit-4B-of-8-to-first-amended-complaint.pdf
Most of the addresses have a date of 2007-2008. Could these addresses be for political campaign offices? As Obama did not take federal campaign election money, maybe the reporting requirements were different?