AS28201 189.90.240.0/20 CIDR and IP Range Summary.ASN: 28201 - Companhia Itabirana Telecomunicacoes LtdaHost Count: 4094Addressable IPs: 4096189.90.240.0/24189.90.241.0/24189.90.242.0/24189.90.243.0/24189.90.244.0/24189.90.245.0/24189.90.246.0/24189.90.247.0/24189.90.248.0/24189.90.249.0/24189.90.250.0/24189.90.251.0/24189.90.252.0/24189.90.253.0/24189.90.254.0/24189.90.255.0/24