Well, it depends on how specific you want to be. You could do `.*`, and this will match an IP address, or you can be as specific as trying to specify number ran

Well, it depends on how specific you want to be. You could do `.*`, and this will match an IP address, or you can be as specific as trying to specify number ranges digit by digit, which is so complicated that it doesn't merit a "can't even". Also, `16843009` is an IP address, try pinging it.