IP filtering script

[devopsmatt]

We need to clean up whitelisted IP addresses that allow access to Az before we migrate to the the new resource groups.

Deliverable:
A Python script to parse a provided a list of IP addresses, look up the IP owner and other details and output it in a consistent format to determine if it is an ISP or a commercial/government service. Bonus points if the script can automatically 'guess' if the IP belongs to an ISP or or other entity.

[buck30wale]

PR adds a Python script (python_scripts_v2.py) to clean up a list of IP addresses and retrieve ownership details : #17491