SEISNET

203.207.64.0-203.207.255.255

Subnets 0-127 (State Information Center, Beijing)
Subnets 128-159 (North China Regional Network of CEINet)
Subnets 160-191 (East China Regional Network of CEINet)
Subnets 192-223 (Central China Regional Network of CEINet)
Subnets 224-255 (State Information Center, Beijing)

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