A python based tool to identify the ISPs of a given IP list
##Requirements Python v3.6(Highly recommended) but it would do fine with a version greater than Python 2.7
##Instructions to Run Execute the file handler using python command using a command prompt. When executed give the list of IP addresses, in a given File. Then give the file name that you want the outputs to be written in to.
*In order to execute the IP list that needs to be resolved must contains IP addresses in a line by line manner, and it should only contain the IP addresses.
*The IPs called Undefined are Foreign IPs.