potentially associated with the user "unknown^user" by login, vote, and comment:

ips	users
68.107.129.22 128.196.6.126 68.107.209.234 68.105.131.53 209.234.180.162 68.231.156.61 68.110.11.225 68.105.132.62 68.107.136.25 72.200.114.80	unknown^user (ips by user)