IP calculator IPv4 and IPv6

Performs calculations on IPv4 and IPv6 addresses, networks and netmasks.

Offline (no-permissions) version:
Use IP calculator classic in the market.

Trouble with the keyboard:
Try IP calculator (Samsung) in the market.

Please use email for feedback, so I can answer. Comments dont help!

Recent changes:
2.2:
- small bugfixes

2.1:
- performance tweaks

2.0:
- whois queries (needs Internet permissions)