for the last 10 years or so, every single OS out there randomises the lower bits by default and even rotates it every few connections. The thing that remains s

for the last 10 years or so, every single OS out there randomises the lower bits by default and even rotates it every few connections. The thing that remains static is the prefix you got from your ISP but that works in exactly the same way as your v4 address you get when you connect.