AS28158 187.120.232.0/21 CIDR and IP Range Summary.ASN: 28158 - Ampernet Telecomunicacoes LtdaHost Count: 2046Addressable IPs: 2048187.120.232.0/24187.120.233.0/24187.120.234.0/24187.120.235.0/24187.120.236.0/24187.120.237.0/24187.120.238.0/24187.120.239.0/24