NetScanTools Pro Whois Tool can find the registered ownership of domains for hundreds top level domain extensions (examples: .com/.net/.uk/.de/.jp/.eu/.se etc.), however, with the advent of GDPR in the European Union (May 2018), much of what was previously publically available through whois is now private by default. You will have better luck seeing the businesses that have ownership of IPv4 or IPv6 addresses ranges.
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