The leaked Hacking Team emails might be worth searching for public IPs. https://wikileaks.org/hackingteam/emails/emailid/498702

openvpn.log:Sun Jan 25 14:54:56 2015 169.229.3.93:40500 MULTI: multi_create_instance called openvpn.log:Sun Jan 25 14:54:56 2015 169.229.3.93:40500 Re-using SSL/TLS context openvpn.log:Sun Jan 25 14:54:56 2015 169.229.3.93:40500 LZO compression initialized

$whois 169.229.3.92 OrgName: University of California at Berkeley