AS17977 120.72.64.0/20 CIDR and IP Range Summary.ASN: 17977 - NF Park BLDG.3F 9-15 Futaba 2-ChomeHost Count: 4094Addressable IPs: 4096120.72.64.0/24120.72.65.0/24120.72.66.0/24120.72.67.0/24120.72.68.0/24120.72.69.0/24120.72.70.0/24120.72.71.0/24120.72.72.0/24120.72.73.0/24120.72.74.0/24120.72.75.0/24120.72.76.0/24120.72.77.0/24120.72.78.0/24120.72.79.0/24