tracker_mapping.py

# Make sure you run curl 'https://whotracks.me/data/trackerdb.json' > orig_whotracksme.json
import json

company_mapping = {}
f = json.loads(open('orig_whotracksme.json').read())
for tracker_name, details in f['trackers'].items():
	company_id = details['company_id']
	company_name = f['companies'].get(company_id, {'name': 'unknown'})['name']
	for each_hostname in details['domains']:
		company_mapping[each_hostname] = company_name

f = open('whotracksme.json', 'w')
f.write(json.dumps(company_mapping))