So That Leaves
<local-ID>-<registry>, e.g.
- RB366-RGNET (well-known registry map needed)
- RB366-whois.rg.net (FQDN of whois server)
- randy@psg.com-whois.ripe.net
For any of a wide variety of <local-ID>-<registry> schemes
And syntaxes, e.g. <registry>/<local-ID>