I don’t believe anything that comes out of his mouth. but if they were ukrainian ips that would be an amazing troll, assuming they’d be using vpns of course.
He's been lying for years and still so many believe what he says. In any case, any group doing this would be at the very least spoofing their IP's anyway wouldn't they?
I saw it all over earlier there are quite a few stories. But this was posted today on their channel https://opdreadnought.com/ I take everything with a grain these days, another group also took credit for the hack as well called dark storm.