AS17621 58.246.224.0/19 CIDR and IP Range Summary.ASN: 17621 - China Unicom Shanghai NetworkHost Count: 8190Addressable IPs: 819258.246.224.0/2458.246.225.0/2458.246.226.0/2458.246.227.0/2458.246.228.0/2458.246.229.0/2458.246.230.0/2458.246.231.0/2458.246.232.0/2458.246.233.0/2458.246.234.0/2458.246.235.0/2458.246.236.0/2458.246.237.0/2458.246.238.0/2458.246.239.0/2458.246.240.0/2458.246.241.0/2458.246.242.0/2458.246.243.0/2458.246.244.0/2458.246.245.0/2458.246.246.0/2458.246.247.0/2458.246.248.0/2458.246.249.0/2458.246.250.0/2458.246.251.0/2458.246.252.0/2458.246.253.0/2458.246.254.0/2458.246.255.0/24