Antoine Vastel Blog

I've launched a new website, DeviceAndBrowserInfo.com. It lets you visualize browser fingerprint, HTTP headers, and information about your IP address. You can access data through the website or APIs. Currently, it's still basic but I'll update it frequently in coming weeks. Bookmark it for updates..

This post presents the new headless Chrome version and shows the main browser fingerprint differences that exist compare to the old headless Chrome.

How to leverage the Python3-nmap library to fingerprint proxies and group proxy IPs using their fingerprint. As an example, we use the list of open ports as a simple fingerprint.

How to automatically explore a bot/proxy IP blocklist and extract statistics using Git-python and Matplotlib.

Short NodeJS/JavaScript example that showcases how you can execute at most N concurrent asynchronous tasks at the same time without using any external dependencies.

Short but optimized NodeJS example that showcases how you can make HTTPS requests routed through HTTP proxies without using any external dependencies.

Short NodeJS example that showcases how you can make HTTPS requests routed through HTTP proxies without using any external dependencies.

Presentation of a new bot IPs blocklist. This list contains IPs (and IP ranges) that have been flagged as bots for a long time.

Presentation of the bot IPs blocklists, 4 blocklists that can be used to easily block malicious bot traffic (mostly data center IPs).

Documentation of the bots IPs API as well as explanation about the data returned by the API.