203.207.64.0 - 203.207.71.255 (CEIBACKBONE) The backbone of CEInet; CN 203.207.64.0 - 203.207.79.255 (CEIBACKBONE) The Backbone of CEInet; CN 203.207.64.0 - 203.207.95.255 (SEISNET) State Information Center; Beijing; CN 203.207.80.0 - 203.207.95.255 (SEISNCNET) North China Regional Network of SEISnet; CN 203.207.96.0 - 203.207.103.255 (SEISECNET) East China Regional Network of SEISnet; CN 203.207.96.0 - 203.207.127.255 (SEISNET) State Information Center; Beijing; CN 203.207.104.0 - 203.207.111.255 (SEISCCNET) Central China Regional Network of SEISnet; CN 203.207.112.0 - 203.207.119.255 (SEISNENET) Northeast Regional Network of SEISnet; CN 203.207.120.0 - 203.207.123.255 (SEISSWNET) Southwest Regional Network of SEISnet; CN 203.207.124.0 - 203.207.128.255 (SEISNWNET) Northwest Regional Network of SEISnet; CN 203.207.128.0 - 203.207.159.255 (CEINCNET) North China Regional Network of CEInet; CN 203.207.160.0 - 203.207.191.255 (CEIECNET) East China Regional Network of CEInet; CN 203.207.192.0 - 203.207.223.255 (CEICCNET) Central China Regional Network of CEInet; CN 203.207.224.0 - 203.207.239.255 (CEINENET) Northeast Regional Network of CEInet; CN 203.207.224.0 - 203.207.255.255 (SEISNET) State Information Center; Beijing; CN 203.207.240.0 - 203.207.247.255 (CEISWNET) Southwest Regional Network of CEInet; CN 203.207.248.0 - 203.207.255.255 (CEINWNET) Northwest Regional Network of CEInet; CN