ESP8266.ping does not work as expected

@tve take it and let you get payed for your great work on Esprunino for ESPs at Bug Bounty

>require("ESP8266").getState()
={
  "sdkVersion": "1.5.4(baaeaebb)",
  "cpuFrequency": 160, "freeHeap": 8960, "maxCon": 10,
  "flashMap": "4MB:512/512",
  "flashKB": 4096,
  "flashChip": "0xe0 0x4016"
 }

>ESP8266.ping("192.168.194.52");
 23417> >> ping ip: 192.168.194.52 : 14
=undefined
> 23423> Received a ping response!
 24523> Received a ping response!
 25623> Received a ping response!
 26723> Received a ping response!
 27773> Received a ping response!
 28922> ping 5, timeout 0, total payload 160 bytes, 5504 ms