AS28201 138.117.204.0/22 CIDR and IP Range Summary.ASN: 28201 - Companhia Itabirana Telecomunicacoes LtdaHost Count: 1022Addressable IPs: 1024138.117.204.0/24138.117.205.0/24138.117.206.0/24138.117.207.0/24