There is a topic on the forum "List of Autobans".

After checking data there and at BPIP.org I've discovered that many banned members haven't correct status in the 'Security/Moderator Log' column, e.g.:
https://bpip.org/profile.aspx?p=Liang_Kubur
https://bpip.org/profile.aspx?p=Bitcoin0916
https://bpip.org/profile.aspx?p=Vivace92
https://bpip.org/profile.aspx?p=President79
https://bpip.org/profile.aspx?p=dEjAvU97
...