Unknown ip address in netstat -antup | grep 80

Hello.

When I run the following on a local computer which is in my tailscale network I see the following:

netstat -antup | grep 80

tcp 0 0 192.1xx.xx.49:46994 18.157.173.201:80 ESTABLISHED 1417/tailscaled

the ip address 18.157.173.201 is associated with Amazon. Is this a tailscale ip address?

It’s present even when browser and email and everything else is closed (except tailscale).