You're looking at a long, auto-generated subdomain under Microsoft's sharepoint.com. That alone tells you it's not a typical business website — it's more likely a test, internal tool, or misconfigured SharePoint endpoint. The page itself returns a 400 error with the message 'Farm uris with the host in the path are not allowed,' which is a server-side configuration issue. So there's nothing to actually use or review.
Is 189592-ipv4mte.gr.global.aa-rt.sharepoint.com a scam? No. The underlying infrastructure is Microsoft's, and the security checks are clean. But the question 'is 189592-ipv4mte.gr.global.aa-rt.sharepoint.com safe' is almost irrelevant because the site doesn't do anything. If you landed here expecting a functional page, you're out of luck. The best advice is to ignore this URL. It's not a threat, but it's also not a resource you should rely on. If you need a SharePoint site, use the official Microsoft services directly.