I never thought I’d find myself arguing Ryanair’s corner, but adding booking.com to the mix likely just makes an already poor experience with Ryanair truly dire.
>GoToGate was used for a time as the flight provider for Booking.com for various European countries.[7]
Also, cannot airline see that requests come from datacenter IPs and not from residential?
It looks like it is super easy to block this on airline side.
https://en.wikipedia.org/wiki/Controlled_payment_number
IP addresses are a tradeable commodity.
Easily solveable by getting a data SIM, plugging it into a LTE/5G USB stick, and routing your traffic through that.
Meanwhile booking.com has a recurring pattern of diverting you via search results to show you extra sponsored results. My experience is that Ryanair is far easier to navigate and book than Booking.com