ME: It's probably not worth even asking, but do you offer additional IPv4 addresses for a fee?

HOSTING COMPANY: No. Not unless you have a very good reason.

ME: I don't, no, not really. How about IPv6?

HOSTING COMPANY: Certainly. That one's free of charge, but we only offer it in bulk. If you want an additional IPv6 address we can allocate you our default range of...eighteen quintillion addresses per data center.

ME: ...

HOSTING COMPANY: In addition to your existing IPv6 address, of course.

ME: Eighteen quintillion...

HOSTING COMPANY: If that's not enough we do have a slightly larger range for special applications.

ME: Do-

HOSTING COMPANY: That one's four sextillion.

ME: Doesn't that seem like a bit much?

HOSTING COMPANY: Oh, it only seems that way because we're using American units.

ME: I suppose that is a relief.