AS28186 177.23.80.0/21 CIDR and IP Range Summary.ASN: 28186 - ITS Telecomunicacoes LtdaHost Count: 2046Addressable IPs: 2048177.23.80.0/24177.23.81.0/24177.23.82.0/24177.23.83.0/24177.23.84.0/24177.23.85.0/24177.23.86.0/24177.23.87.0/24