Here's some information of Bitfinex based on whois[1]:

Name:- Jean-Louis
Organization:iFinex Inc.
Street:NA
City:Road Town
Postal Code:00000
Country:VG
Phone:+62.9963419
Email:admin@bitfinex.com


What are you planning on doing with this information? If you don't mind saying.

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[1] https://www.whois.com/whois/bitfinex.com