[b]"How Can I Perform an IP Range Owner Lookup Quickly and Accurately?"[/b] or [b]"What’s the Best Way to Find the

Honestly, most free whois tools scrape the same RIR data, so results are kinda samey.

For a deeper dive, check out Hurricane Electric's BGP toolkit (bgp.he.net). Lets you see ASN info and routing history, which helps ID the real owner.

Accuracy? ISPs are lazy updaters, so grain of salt and all that.