https://nummer.pts.se/NbrSearch - API wrapper for PTS (Post-Tele-Styrelsen: Swedish Postal and Telecom Authorities) - Look up swedish phone numbers and find out which ISP/Operator they belong to.
System Requierments to run script
Python 3.x, Python 3rd party module: lxml [https://pypi.org/project/lxml/] (Use: pip install lxml)