AS28583 187.61.80.0/21 CIDR and IP Range Summary.ASN: 28583 - RuralWeb TelecomunicaAAes LtdaHost Count: 2046Addressable IPs: 2048187.61.80.0/24187.61.81.0/24187.61.82.0/24187.61.83.0/24187.61.84.0/24187.61.85.0/24187.61.86.0/24187.61.87.0/24