How Do I Find My Linux Gateway / Router IP Address

How Do I Find My Linux Gateway / Router IP Address

[1] Find out Gateway / router IP address under Linux / UNIX using route command
    You need to use route command. This command can manipulates the kernel’s IP routing tables.

$ route -n

Output:

Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
192.168.1.0     0.0.0.0         255.255.255.0   U     0      0        0 eth0
0.0.0.0         192.168.1.1     0.0.0.0         UG    0      0        0 eth0

192.168.1.1 is gateway IP address for our computer. The flag U indicates that route is up and G indicates that it is gateway. You can print gateway name, enter:

[2] Find out Gateway / router IP address under Linux / UNIX using netstat command
Open a terminal and type the following command:

# netstat -r -n

Sample outputs:

Kernel IP routing table
Destination     Gateway         Genmask         Flags   MSS Window  irtt Iface
0.0.0.0         192.168.1.1   0.0.0.0         UG        0 0          0 eth0
192.168.1.0     0.0.0.0         255.255.255.0   U         0 0          0 eth0