AS28239 187.0.144.0/20 CIDR and IP Range Summary.ASN: 28239 - Iwserver Internet Banda Larga Ltda.Host Count: 4094Addressable IPs: 4096187.0.144.0/24187.0.145.0/24187.0.146.0/24187.0.147.0/24187.0.148.0/24187.0.149.0/24187.0.150.0/24187.0.151.0/24187.0.152.0/24187.0.153.0/24187.0.154.0/24187.0.155.0/24187.0.156.0/24187.0.157.0/24187.0.158.0/24187.0.159.0/24