Here is the ipconfig on my MacBook:
Last login: Mon Aug 1 19:02:46 on console
[Moderator edit to remove personal information] @JohnS-MacBook-Air ~ % ifconfig -a
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
options=1203<RXCSUM,TXCSUM,TXSTATUS,SW_TIMESTAMP>
inet 127.0.0.1...