You can always reserve an IP address on your router so it will assign always the same IP to your wifi attachment.
It's based on MAC address, which is unique for every single device.
To find out which devices you've got in your network, I like using netscan tool.
http://www.softperfect.com/products/networkscanner/
If it's showing 0.0.0.0:2000, it's probably because it is having a hard time getting an IP from the DHCP server from router.
To really confirm the device is really using a particular IP, you have to ping that ip address and watch for the response.
Open a command prompt and type:
ping 192.168.1.100
change the ip address to yout specific one.
If it replies, you've got a device using that ip, if it times out, you either don't have anything or there's a firewall dropping the packets.
I hope this helps you troubleshoot your problem.
Roberto.
Roberto.
Roberto
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Make sure you don't have anything static set to the address you reserve.
Cheers
Alex
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