Macで自分のゲートウェイを確認する方法 ref: http://qiita.com/ponsuke0531/items/3a559ffc08aed8b19281

file0.txt

$ route <-------------- 使えない
usage: route [-dnqtv] command [[modifiers] args]
$ route -n <-------------- 使えない
usage: route [-dnqtv] command [[modifiers] args]
$ route -n get 0.0.0.0
   route to: default
destination: default
       mask: default
    gateway: 192.168.0.1
<省略>

file1.txt

$ ip route
default via 192.168.0.1 dev en0
<省略>

file2.txt

$ netstat -rn
Routing tables

Internet:
Destination        Gateway            Flags        Refs      Use   Netif Expire
default            192.168.0.1        UGSc           44        0     en0
<省略>