AS17623 58.250.112.0/21 CIDR and IP Range Summary.ASN: 17623 - China Unicom Shenzen networkHost Count: 2046Addressable IPs: 204858.250.112.0/2458.250.113.0/2458.250.114.0/2458.250.115.0/2458.250.116.0/2458.250.117.0/2458.250.118.0/2458.250.119.0/24