Hello, IB's network engineers or IB's sales man or Other Elite traders: Could anyone tell me which network at Xiamen China is faster to IB TWS trading servers? where are these IPs location? 101.*.28, is this at Shanghai Telecom or Europe? ; 103.38.91.* is at Europe or Hongkong? ; 8.17.22.* is at USA? ; Now only offline TWS can connect to servers, but it still often suddenly cann't connect to servers.