$ netstat -rn
Routing tables

Internet:
Destination        Gateway            Flags    Refs      Use  Netif Expire
default            172.16.0.1         UGS         0  3429943    xl0
10.8/24            10.8.0.2           UGS         0       16   tun0
10.8.0.2           10.8.0.1           UH          1        0   tun0
127.0.0.1          127.0.0.1          UH          0  1277168    lo0
172.16             link#1             UC          0        0    xl0
172.16.0.1         00:01:03:d2:d9:ce  UHLW        2     7640    xl0    435
172.16.22.20       00:50:2c:05:a4:86  UHLW        1 20542028    xl0    177
172.16.22.40       00:10:4b:2b:90:74  UHLW        1   239066    lo0
172.16.66.66       00:50:2c:05:5b:3f  UHLW        1   119771    xl0   1121
172.16.198.254     00:06:25:2f:c9:94  UHLW        1        2    xl0     97
172.16.255.255     ff:ff:ff:ff:ff:ff  UHLWb       1    66473    xl0