AS137872 203.142.104.0/21 CIDR and IP Range Summary.ASN: 137872 - China Mobile Hong Kong Company LimitedHost Count: 2046Addressable IPs: 2048203.142.104.0/24203.142.105.0/24203.142.106.0/24203.142.107.0/24203.142.108.0/24203.142.109.0/24203.142.110.0/24203.142.111.0/24