Show HN: Check if your IP has appeared in a residential proxy network

A new website, haveibeenproxied.com, allows users to check if their IP address has been used in a residential proxy network. The website uses a database of leaked residential proxy information to match IP addresses against a list of known proxy IPs. The database contains over 20 million IP addresses from over 1,000 unique providers. The website's creator, who wishes to remain anonymous, claims that the database is sourced from a variety of places, including data breaches and publicly available information. Users can enter their IP address on the website to see if it has been used in a residential proxy network. The website also provides information on the types of data that may be exposed when an IP address is used in a proxy network, including personal identifiable information (PII) and browser fingerprints.