I have no problem signing in, but unable to see any data on specific hotels on my desktop. Only if I disable browser "Tracking" and "Abusive Ads" filtering, I can see limited hotel data such as "may be available" with pricing still missing.
If I enable browsing tracking and ad filtering, I get a totally blank page, save for a tiny "not found" notification. This behavior replicates in multiple browsers!.

Tried searching with a Hilton Mobile App -- same result for any location: