AS54058 203.190.56.0/21 CIDR and IP Range Summary.ASN: 54058 - Rakuten IncHost Count: 2046Addressable IPs: 2048203.190.56.0/24203.190.57.0/24203.190.58.0/24203.190.59.0/24203.190.60.0/24203.190.61.0/24203.190.62.0/24203.190.63.0/24