ipv6/whois is an IPv6 address whois information lookup.
If the IPv6 address entered is a global unicast address ipv6/whois will output the parent IANA block and its status, the managing Regional Internet
Registry, the whois server holding the whois information and the whois information.
If the Ipv6 address entered is not a global unicast ipv6 address ipv6/whois will output the type of the address and if needed links to more information.
To lookup whois information for an IPv4 address use ip/whois.