Apple released AirPort Utility 1.1 for iOS on Monday, adding support for the new AirPort Express with dual-band 802.11n Base Station. The update also added support for IPv6 configurations.
AirPort Utility for the iPad
AirPort Utility is an app for the iPhone, iPad, and iPod touch that lets users configure AirPort Extreme and AirPort Express Base Stations, along with Time Capsule Wi-Fi backup systems.
AirPort Utility requires iOS 5 or higher and is available as a free download at Apple’s iTunes-based App Store.