211.161.1.0 - 211.161.16.255 (GWBN) Beijing GWBN,Tianjin Metropolitian; Area Network; CN 211.161.17.0 - 211.161.32.255 (GWBN) Beijing GWBN,Tianjin Metropolitian Area Network; CN 211.161.33.0 - 211.161.48.255 (GWBN) Beijing GWBN,Tianjin Metropolitian Area Network; CN 211.161.49.0 - 211.161.64.255 (GWBN) Beijing GWBN,Shenyang Metropolitian Area Network; CN 211.161.65.0 - 211.161.80.255 (GWBN) Beijing GWBN,Shenyang Metropolitian Area Network; CN 211.161.81.0 - 211.161.96.255 (GWBN) Beijing GWBN,Shenyang Metropolitian Area Network; CN 211.161.97.0 - 211.161.112.255 (GWBN) Beijing GWBN,Shenyang Metropolitian Area Network Reserved; CN 211.161.128.0 - 211.161.143.255 (GWBN) Wuhan GWBN,Yichang Metropolitian Area Network; CN 211.161.144.0 - 211.161.159.255 (GWBN) Wuhan GWBN,Huangshi Metropolitian Area Network; CN 211.161.160.0 - 211.161.191.255 (GWBN) Wuhan GWBN,Wuhan Metropolitian Area Network; CN 211.161.192.0 - 211.161.255.255 (GWBN) Shanghai GWBN,Shanghai Metropolitian Area Network; CN