For the IP, some internet providers using an IP Static from their service.
Sometimes your IP will be changed every 1 hour, a couple of times or went you on a different area. All my provider internet in my country most of them using IP Static, so probably i can't really get the same IP with yesterday except for WIFI. But its kinda weird went the "holding fund" trigger on the different address too, if they triger with the IP could be normal.
It doesn't really matter all that much if your ISP changes your IP because in short you are still shown at the same place with your IP, it could basically be traced to a point which is as far as I know your City at the very least (of course ISP basically knows the exact location) and that means you could share your KYC and as long as there is nothing wrong going on you will be allowed to continue.
These type of prevention systems are done to slow down an account in case something is wrong, in 24 hours to 48 hours if something is wrong they would get a support message about it and would know there is a problem going on, if there is none that means they would continue to allow the player to continue with whatever IP they would like to continue with, simple as that.