ip addr C2

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1
    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: enp4s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
    link/ether a4:ba:db:01:92:58 brd ff:ff:ff:ff:ff:ff
    inet 138.23.11.18/22 brd 138.23.11.255 scope global enp4s0
       valid_lft forever preferred_lft forever
    inet6 fe80::7554:3bb4:3603:b5e1/64 scope link
       valid_lft forever preferred_lft forever