public static Ping onAddress(String address) {
        Ping ping = new Ping();
        ping.setAddressString(address);
        return ping;
    }
Set the address to ping

Note that a lookup is not performed here so that we do not accidentally perform a network
request on the UI thread.

@param address - Address to be pinged
@return this object to allow chaining
library/src/main/java/com/stealthcopter/networktools/Ping.java