Every so often they sneak in new blocks of IP addresses though so you're playing whack-a-mole with a particularly scummy opponent.
https://www.cloudflare.com/en-au/ips/
Or if you prefer:
https://www.cloudflare.com/ips-v4/#
Every so often they sneak in new blocks of IP addresses though so you're playing whack-a-mole with a particularly scummy opponent.