AS9919 123.51.208.0/21 CIDR and IP Range Summary.ASN: 9919 - New Century InfoComm Tech Co. Ltd.Host Count: 2046Addressable IPs: 2048123.51.208.0/24123.51.209.0/24123.51.210.0/24123.51.211.0/24123.51.212.0/24123.51.213.0/24123.51.214.0/24123.51.215.0/24