Tosee

Join

let b= 
[
[
{"ip":"192.168.0.149","ninth":"37.4.0.122"},
{"ip":"192.168.0.19","ninth":"37.4.0.122"}
],mmmmmm

[{"ip":"192.168.0.16","ninth":"37.4.0.122"}]
]

function a(aa){
  let c=[]
  for(let aw of aa){
   for(let cc of aw){
      console.log(cc)
      c.push(cc)
    }
  }
  return c
}

 let aasd=a(b);

console.log(aasd)