AS28198 177.73.192.0/21 CIDR and IP Range Summary.ASN: 28198 - Sempre Telecomunicacoes LtdaHost Count: 2046Addressable IPs: 2048177.73.192.0/24177.73.193.0/24177.73.194.0/24177.73.195.0/24177.73.196.0/24177.73.197.0/24177.73.198.0/24177.73.199.0/24