AS17623 58.250.144.0/20 CIDR and IP Range Summary.ASN: 17623 - China Unicom Shenzen networkHost Count: 4094Addressable IPs: 409658.250.144.0/2458.250.145.0/2458.250.146.0/2458.250.147.0/2458.250.148.0/2458.250.149.0/2458.250.150.0/2458.250.151.0/2458.250.152.0/2458.250.153.0/2458.250.154.0/2458.250.155.0/2458.250.156.0/2458.250.157.0/2458.250.158.0/2458.250.159.0/24