api.js

var connectionDetector = require('connection-detector')

connectionDetector.analyze((err, data) => {
   // data is the output 
})

output.js

[{
  name: 'mongodb',
  pid : 15646,
  connections: [{
     '17.249.28.32:5223' : { in: '20kb', out: '2mb'},
     '74.125.195.188:3456' : { in: '204kb', out: '1mb'},
     '127.0.0.1:1345' : { in: '10kb', out: '10mb'}
  }]
}, {
   name: 'node app.js',
   pid : 15451,
   connections: [{
      '127.0.0.1:27017' : { in: '20kb', out: '2mb'} ,
      '134.2.3.54:345' : { in: '2kb', out: '40b' }
   }]
}]