AS28201 131.161.4.0/22 CIDR and IP Range Summary.ASN: 28201 - Companhia Itabirana Telecomunicacoes LtdaHost Count: 1022Addressable IPs: 1024131.161.4.0/24131.161.5.0/24131.161.6.0/24131.161.7.0/24