That isn't an Apple problem. It's a problem with your network. The two IP addresses you cite are not on the same sub-network.
From the document below:
The AirPrint-enabled printer must be connected to the same home Wi-Fi network as the iOS device. This is the default configuration in most home Wi-Fi networks.
See here: http://support.apple.com/kb/ht4356
Your IT people may be able to help you with this.