What is AS3209?
AS3209 is the primary Autonomous System for Vodafone GmbH, Germany's second-largest telecommunications operator. Vodafone Germany provides cable broadband (using the former Unitymedia and Kabel Deutschland infrastructure acquired in 2019), DSL broadband, and mobile services across Germany. The main competitor in Germany is Deutsche Telekom, which operates under AS3320.
Privacy note
If AS3209 appears in your IP lookup while a VPN is active, the VPN is not masking your real IP. Vodafone Germany cable, DSL, and mobile customers should see their VPN provider's ASN when correctly connected. If Vodafone Germany still appears, follow the fix guide at myipscan.net/how-to/fix-vpn-leak/.