ftp://ftp.support.veritas.com/pub/support/products/NetBackup_Enterprise_Server/
This has:
ncftp ...ckup_Enterprise_Server > ls -ltr *sol*x86*
-rwxr-xr-x 1 30024 30024 93786112 Dec 18 2007 NB_6.5.1.solaris_x86_294645.tar
-rw-r--r-- 1 30024 30024 4157952 Feb 13 2009 NB_6.5.3.1.solaris_x86_319525.tar
-rw-r--r-- 1 30024 30024 131038208 Jun 15 2009 NB_6.5.4.solaris_x86_326382.tar
-rw-r--r-- 1 30024 30024 132182528 Nov 30 2009 NB_6.5.5.solaris_x86_337789.tar
-rw-r--r-- 1 30024 30024 111211520 Mar 26 11:45 NB_6.5.3.solaris_x86_314588.tar
-rw-r--r-- 1 30024 30024 110863360 Mar 26 12:39 NB_6.5.2A.solaris_x86_305652.tar
-rw-r--r-- 1 30024 30024 134643200 May 5 11:42 NB_6.5.6.solaris_x86_351561.tar
-rw-r--r-- 1 30024 30024 214477824 Aug 25 05:26 NB_7.0.1.solaris_x86_358299.tar
-rw-r--r-- 1 30024 30024 176361472 Aug 26 03:10 OpsCtr_Server_7.0.1_solaris_x86_358333.tar