Your Wi-Fi router could tell everyone where you live — here’s what you can do about it | Tom’s Guide
At least 60 million internet-facing devices, their research found, including as least 12 million home residential gateways in 147 different countries around the world, still use EUI-64 MAC addresses as part of their IPv6 addresses.
If you use a home residential gateway, this is like including a photo of your driver’s license with every email you send.
