Ping time out yet ie and firefox can browse, why?

Hi Experts,

When I ping from dos prompt, ip address times out.
Yet when I browse from firefox or ie, it is ok.  Why is that?

Windows IP Configuration

        Host Name . . . . . . . . . . . . : Laptop
        Primary Dns Suffix  . . . . . . . :
        Node Type . . . . . . . . . . . . : Hybrid
        IP Routing Enabled. . . . . . . . : No
        WINS Proxy Enabled. . . . . . . . : No
        DNS Suffix Search List. . . . . . : firstmedia.com

Ethernet adapter Wireless Network Connection:

        Connection-specific DNS Suffix  . : firstmedia.com
        Description . . . . . . . . . . . : 11a/b/g Wireless LAN Mini PCI Adapte
r
        Physical Address. . . . . . . . . : 00-05-4E-44-88-F1
        Dhcp Enabled. . . . . . . . . . . : Yes
        Autoconfiguration Enabled . . . . : Yes
        IP Address. . . . . . . . . . . . : 192.168.1.100
        Subnet Mask . . . . . . . . . . . : 255.255.255.0
        Default Gateway . . . . . . . . . : 192.168.1.10
        DHCP Server . . . . . . . . . . . : 192.168.1.10
        DNS Servers . . . . . . . . . . . : 202.73.99.8
                                            61.247.0.8
        Lease Obtained. . . . . . . . . . : Saturday, December 29, 2007 11:34:51
 AM
        Lease Expires . . . . . . . . . . : Sunday, December 30, 2007 11:34:51 A
M

Ethernet adapter Local Area Connection:

        Media State . . . . . . . . . . . : Media disconnected
        Description . . . . . . . . . . . : Intel(R) PRO/1000 MT Mobile Connecti
on
        Physical Address. . . . . . . . . : 00-16-41-56-3A-57

C:\>ping 203.153.25.138

Pinging 203.153.25.138 with 32 bytes of data:

Request timed out.
Request timed out.
Request timed out.
Request timed out.

Ping statistics for 203.153.25.138:
    Packets: Sent = 4, Received = 0, Lost = 4 (100% loss)

Is there something wrong in my set up?

Herman DarmawanStart Free Trial