Fib trie

cat /proc/net/fib_trie

Main:

 +-- 0.0.0.0/0 3 0 5
    |-- 0.0.0.0
       /0 universe UNICAST
    +-- 127.0.0.0/8 2 0 2
       +-- 127.0.0.0/31 1 0 0
          |-- 127.0.0.0
             /32 link BROADCAST
             /8 host LOCAL
          |-- 127.0.0.1
             /32 host LOCAL
       |-- 127.255.255.255
          /32 link BROADCAST
    +-- 172.17.0.0/16 2 0 2
       +-- 172.17.0.0/30 2 0 2
          |-- 172.17.0.0
             /32 link BROADCAST
             /16 link UNICAST
          |-- 172.17.0.2
             /32 host LOCAL
       |-- 172.17.255.255
          /32 link BROADCAST

Local:

 +-- 0.0.0.0/0 3 0 5
    |-- 0.0.0.0
       /0 universe UNICAST
    +-- 127.0.0.0/8 2 0 2
       +-- 127.0.0.0/31 1 0 0
          |-- 127.0.0.0
             /32 link BROADCAST
             /8 host LOCAL
          |-- 127.0.0.1
             /32 host LOCAL
       |-- 127.255.255.255
          /32 link BROADCAST
    +-- 172.17.0.0/16 2 0 2
       +-- 172.17.0.0/30 2 0 2
          |-- 172.17.0.0
             /32 link BROADCAST
             /16 link UNICAST
          |-- 172.17.0.2
             /32 host LOCAL
       |-- 172.17.255.255
          /32 link BROADCAST

See also

• FHS, /proc/, /proc/net/, /boot/, /run/, /dev/, /usr/, /var/run/, /etc/, /var/, /var/lib/ /var/log/, /var/www/, /opt/, /lib/, /sys/, /proc/kcore, /proc/sys/, /proc/sys/vm/, /snap/, /mnt/, /mnt/data, /var/opt/, /usr/bin/, /lib/, /proc/$PID/, /proc/self/
• ifconfig, ip, /proc/net/dev, ifconfig -a