'use strict';var os = require('os');var ifaces = os.networkInterfaces();Object.keys(ifaces).forEach(function (ifname) { var alias = 0; ifaces[ifname].forEach(function (iface) { if ('IPv4' !== iface.family || iface.internal !== false) { // skip over internal (i.e. 127.0.0.1) and non-ipv4 addresses return; } if (alias >= 1) { // this single interface has multiple ipv4 addresses console.log(ifname + ':' + alias, iface.address); } else { // this interface has only one ipv4 adress console.log(ifname, iface.address); } ++alias; });});// en0 192.168.1.101// eth0 10.0.0.101
