iPinger

iPinger allows You to vizualize hosts of network and perform ping of those hosts. Available more than 30 types of networked objects: workstation, server, mainframe, bridge, router, firewall, hub, modem, etc., which You coud place on map of your network, like on FPinger for PC.
iPinger will ping hosts periodically with interval, that you could set at System Preferences pane. Unreachable hosts will be displayed as semi-transparent icons with red labels.
Instructions:
1. Tap on empty space to add a new host.
2. Double tap on host to edit object properties - name, address and type.
3. Long tap to select host and then tap to delete it.