AS24357 222.203.248.0/21 CIDR and IP Range Summary.ASN: 24357 - CERNET2 IX at South China University of TechnologyHost Count: 2046Addressable IPs: 2048222.203.248.0/24222.203.249.0/24222.203.250.0/24222.203.251.0/24222.203.252.0/24222.203.253.0/24222.203.254.0/24222.203.255.0/24