Hi K.M,
We have noted the cluster 119.46.111.14 to 21 has open proxy enabled. We have disabled it since is not right to enable it.
Please help check with True on this.
From our record, this IP 119.46.255.243 logged in to server 119.46.111.21 on date 2014-06-18 17:57:04 and enabled the open proxy at 2014-06-18 17:58:33.
Please check with True who did the changes and reason why they did the changes.