AS4713 121.112.0.0/13 CIDR and IP Range Summary.ASN: 4713 - NTT Communications CorporationHost Count: 524286Addressable IPs: 524288121.112.0.0/16121.112.0.0/16121.112.0.0/16121.112.0.0/16121.112.0.0/16121.112.0.0/16121.112.0.0/16121.112.0.0/16