ip addr show

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    link/ether 00:1c:25:a2:94:8d brd ff:ff:ff:ff:ff:ff
    inet 172.16.22.115/24 brd 172.16.22.255 scope global dynamic eth0
       valid_lft 3556sec preferred_lft 3556sec
    inet6 fe80::21c:25ff:fea2:948d/64 scope link
       valid_lft forever preferred_lft forever
3: wlan0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
    link/ether 00:21:6a:1b:90:16 brd ff:ff:ff:ff:ff:ff