Articles from 2021

CGNAT and why mobile IPs are hard to block

Mobile carriers share each public IPv4 address between many subscribers through carrier-grade NAT. Here is how that works, what it means for IP reputation, and where its limits are.

Engineering Network team 5 min read

Mobile, residential and datacentre proxies — what actually differs

The three proxy families differ in where their IP addresses are registered, how many real users share them, and how websites score them. A practical comparison, with a decision table.

Guides Solutions engineering 4 min read

Launching dedicated 4G proxies in France

Our first fleet is live on Orange, SFR, Bouygues Telecom and Free Mobile — one physical modem per proxy, HTTP and SOCKS5, rotation on demand and payment in crypto.

Product Product team 4 min read