AS21886 66.171.64.0/20 CIDR and IP Range Summary.ASN: 21886 - Ricoh USA Inc.Host Count: 4094Addressable IPs: 409666.171.64.0/2466.171.65.0/2466.171.66.0/2466.171.67.0/2466.171.68.0/2466.171.69.0/2466.171.70.0/2466.171.71.0/2466.171.72.0/2466.171.73.0/2466.171.74.0/2466.171.75.0/2466.171.76.0/2466.171.77.0/2466.171.78.0/2466.171.79.0/24