[root@native_zone ~]# netstat -nr

Routing Table: IPv4
  Destination            Gateway          Flags  Ref     Use     Interface
-------------------- -------------------- ----- ----- ---------- ---------
10.181.18.1          149.62.183.25        UGH       2      19656 net3
127.0.0.1            127.0.0.1            UH        2         92 lo0
149.62.183.24        149.62.183.26        U         3          1 net3

[root@native_zone ~]# ping 149.62.183.25
149.62.183.25 is alive
[root@native_zone ~]# ping 10.181.18.1
10.181.18.1 is alive
[root@native_zone ~]# route get 10.181.18.1
   route to: 10.181.18.1
destination: 10.181.18.1
       mask: 255.255.255.255
    gateway: 149.62.183.25
  interface: net3
      flags: <UP,GATEWAY,HOST,DONE,STATIC>
 recvpipe  sendpipe  ssthresh    rtt,ms rttvar,ms  hopcount      mtu     expire
       0         0         0         0         0         0      1500         0
[root@native_zone ~]# route add default 10.181.18.1
add net default: gateway 10.181.18.1: Network is unreachable
[root@native_zone ~]# route add default 10.181.18.1 149.62.183.25
writing to routing socket: Operation not supported
add net default: gateway 10.181.18.1: Operation not supported
[root@native_zone ~]#