AS1237 203.241.40.0/21 CIDR and IP Range Summary.ASN: 1237 - Asia Pacific Network Information CentreHost Count: 2046Addressable IPs: 2048203.241.40.0/24203.241.41.0/24203.241.42.0/24203.241.43.0/24203.241.44.0/24203.241.45.0/24203.241.46.0/24203.241.47.0/24