There are in theory about 4 billion IPv4 addresses available (2^32), would be a great way to create a coin for an airdrop as it would be so easy to authenticate.
propose:
Total coins: 2^33 (Approx 8 billion)
50% Premine for airdrop: 2^32
I'll let someone else go out and create it, just send me lots for coming up with the idea