Amazon is blocking my VPN (which is hosted on AWS!)

I run a very simple OpenVPN server in an Amazon Lightsail VM.

This is to provide me with a ’static’ IP address, I can whitelist for access to some services.

However, recently, I’ve noticed Amazon (.co.uk) has been blocking me from using the shopping site when connected to my VPN.

I will get the following 503 error:

It seems Amazon themselves don’t ‘trust’ the traffic coming through their own VPS networks!