Facebook is one of the top social website and is mostly used by that people who are habitual and regular user of internet. Facebook provides many facilities to the people like instant messaging, photo sharing and also a good way to pass a time and to remain touch with friends but as this is social networking website so our colleges/universities even offices are not happy to see us surfing at time of studies or may be due to some other reason Facebook is blocked on network by admin. So at this time you will need a way to by pass this security and open Facebook which is blocked. So here is a trick for you to unblock Facebook.
You know there are many proxy sites may be you also familiar with them but they are not secure your administration may find you and may be he also blocked that website, so best way to Unblock Facebook using IP address and this is safe and powerful way.
Unblock Facebook using IP:
Suddenly following window will open and some lines will be shown like below
This is IP address of Facebook now you just have to enter this address in browser where you write address before paste this IP address there and hit ENTER. That's all now Facebook will be opened in a network where it is blocked