Airlink ar430w not giving a network address to netgear wpn111

Try assigning the IP address manually. To do so go to Network Connections, right click on the wireless connection and click on Properties, select Internet Protocol TCP/IP and click on Properties again. Select use the following IP address and type the address of the same range as of your Router's IP. In case you do not know the range try 192.168.1.5 or 172.16.1.5 with the subnet mask as 255.255.255.0 for both, and when you use the IP as 192.168.1.5 use the default gateway as 192.168.1.1 and for 172.16.1.5 use the default gateway as 172.16.1.1 Also select the lower option as "Use following DNS Server address" and for 192.168.1.5 use 192.168.1.1 and for 172.168.1.5 use 172.16.1.1 .Click on Ok. Click on Ok again and now check for the connectivity.