AS57976 117.52.64.0/21 CIDR and IP Range Summary.ASN: 57976 - Blizzard Entertainment IncHost Count: 2046Addressable IPs: 2048117.52.64.0/24117.52.65.0/24117.52.66.0/24117.52.67.0/24117.52.68.0/24117.52.69.0/24117.52.70.0/24117.52.71.0/24