When you try to visit ec2.web.ap-south-2.prod.diagnostic.networking.aws.dev, you're met with a plain 404 error page. That's the first and most important signal: this site isn't serving any content. The domain is a subdomain under aws.dev, which points to Amazon Web Services infrastructure, but the specific purpose of this endpoint isn't disclosed. There's no about page, no privacy policy, and no way to get in touch with anyone running it.
For a piece of AWS infrastructure, missing these pages is normal — it's not a consumer-facing business. But the 404 also means this endpoint might be inactive, misconfigured, or restricted to internal use only. If you're asking whether ec2.web.ap-south-2.prod.diagnostic.networking.aws.dev is fake or a scam, the evidence doesn't support that label. There are no blacklist hits, no malware flags, and the SSL certificate is valid. What it does show is a site that doesn't deliver anything useful.
Reviews for this domain are impossible because there's nothing to review. Legitimate AWS diagnostic endpoints typically require specific paths or authentication and aren't meant for the general public. If you stumbled here, treat it as a dead end — don't expect any service or information behind it.