Redhat - Packages - Listing all available version of a package

sudo yum list subversion --showduplicates

returns

Loaded plugins: fastestmirror

Loading mirror speeds from cached hostfile

 * base: dist1.800hosting.com

 * epel: mirror.steadfast.net

 * extras: centos.mirror.lstn.net

 * rpmforge: mirror.us.leaseweb.net

 * updates: mirror.raystedman.net

Installed Packages

subversion.x86_64                         1.6.11-10.el5_8                       installed

Available Packages

subversion.i386                           1.6.11-7.el5_6.4                      base    

subversion.x86_64                         1.6.11-7.el5_6.4                      base    

subversion.i386                           1.6.11-10.el5_8                       updates 

subversion.x86_64                         1.6.11-10.el5_8                       updates