That works for one lookup. The service I'm building on top of pyasn uses zeromq and can do 100,000+ lookups/sec There's often a disconnect between something l

That works for one lookup. The service I'm building on top of pyasn uses zeromq and can do 100,000+ lookups/sec There's often a disconnect between something like that which works for one address, and something I could actually use to do bulk lookups on 5,000,000 addresses to generate reports.