apparently, my dsl modem has a built-in router. this is what i got afer running ifconfig:

eth0 Link encap:Ethernet HWaddr 00:16:EC:34:87:C3
inet addr:192.168.1.33 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::216:ecff:fe34:87c3/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:13 errors:0 dropped:0 overruns:0 frame:0
TX packets:18 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:2132 (2.0 KiB) TX bytes:2344 (2.2 KiB)
Interrupt:17 Base address:0x6000

lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:18 errors:0 dropped:0 overruns:0 frame:0
TX packets:18 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:900 (900.0 b) TX bytes:900 (900.0 b)