AS1221 203.17.40.0/21 CIDR and IP Range Summary.ASN: 1221 - Asia Pacific Network Information CentreHost Count: 2046Addressable IPs: 2048203.17.40.0/24203.17.41.0/24203.17.42.0/24203.17.43.0/24203.17.44.0/24203.17.45.0/24203.17.46.0/24203.17.47.0/24