Running seaudit to see the audit log shows IP addresses are truncated.
Release : 12.8
This is a known bug. We have the following fixes for PIM 12.81 to address this issue.
T5C1187.tar.Z for AIX
T5C1188.tar.Z for x64 Linux
T5C1189.tar.Z for SPARC Solaris
Please raise a call ticket with Support to request for the fixes.