AS28201 170.239.220.0/22 CIDR and IP Range Summary.ASN: 28201 - Companhia Itabirana Telecomunicacoes LtdaHost Count: 1022Addressable IPs: 1024170.239.220.0/24170.239.221.0/24170.239.222.0/24170.239.223.0/24