AS24357 211.66.64.0/21 CIDR and IP Range Summary.ASN: 24357 - CERNET2 IX at South China University of TechnologyHost Count: 2046Addressable IPs: 2048211.66.64.0/24211.66.65.0/24211.66.66.0/24211.66.67.0/24211.66.68.0/24211.66.69.0/24211.66.70.0/24211.66.71.0/24