AS30264 138.43.216.0/21 CIDR and IP Range Summary.ASN: 30264 - Columbia Power and Water SystemsHost Count: 2046Addressable IPs: 2048138.43.216.0/24138.43.217.0/24138.43.218.0/24138.43.219.0/24138.43.220.0/24138.43.221.0/24138.43.222.0/24138.43.223.0/24