Also a few things to be aware of -
Proper IPv6 support in UBB.threads was first introduced in version 7.6.0. If you are running an older version, features such as IP address lookup, searches, logging will be incomplete or broken. Only the first few digits of the IP address will be stored. If you are on an older hosting server and/or obsolete version of PHP, you might only be collecting IPv4 data -- which may be collecting proxy addresses, your webhost IP addresses, IPv4 routing server addresses, or nothing at all.