Guard Against Looking Up Private IP's

+ Added regexp guard to prevent looking up any private IP address range and loopback address.

![image](https://cloud.githubusercontent.com/assets/5282264/4991923/e2a45694-69d4-11e4-8a72-45041e0a44ed.png)

+ Avoid Displaying () Brackets in Handlebars Template

*IPv4 Private range: https://www.rfc-editor.org/rfc/rfc1918.txt*
*IPv6 Unique Local range: https://www.rfc-editor.org/rfc/rfc4193.txt*