Yes, billing and provisioning system. Will automatically register domain, collect payment, setup Plesk accounts and Virtuozzo VPSs. Will automatically issue plesk licenses. Handles billing for dedicated servers and an IP manager. Also very expensive - several thousand.
Managed, Unmanaged VPS, Dedicated Servers, CDN
Available locations: Australia, Amsterdam, Detroit, London, Santa Clara, Miami
WHMCS uses maxmind.
it looks like LPanel has some dev work going on to include it
Those are the two that I've noticed. I'm sure there might be others. Modernbill's "fraudguardian" utilizes maxmind, but it's not centered around it.
WHMCS Guru - WHMCS addons, management, support and more. WHMCS Notifications Extended - Add slack, hipchat, SMS, pushover to WHMCS !!
Linux Problems? WHMCS Issues? +1-866-546-8914 (linux-14) or @whmcsguru on twitter!