AS17621 112.65.80.0/21 CIDR and IP Range Summary.ASN: 17621 - China Unicom Shanghai NetworkHost Count: 2046Addressable IPs: 2048112.65.80.0/24112.65.81.0/24112.65.82.0/24112.65.83.0/24112.65.84.0/24112.65.85.0/24112.65.86.0/24112.65.87.0/24