AS17621 139.227.51.0/24 CIDR and IP Range Summary.ASN: 17621 - China Unicom Shanghai NetworkHost Count: 254Addressable IPs: 256 139.227.51.0139.227.51.1139.227.51.2139.227.51.3139.227.51.4139.227.51.5139.227.51.6139.227.51.7139.227.51.8139.227.51.9139.227.51.10139.227.51.11139.227.51.12139.227.51.13139.227.51.14139.227.51.15139.227.51.16139.227.51.17139.227.51.18139.227.51.19139.227.51.20139.227.51.21139.227.51.22139.227.51.23139.227.51.24139.227.51.25139.227.51.26139.227.51.27139.227.51.28139.227.51.29139.227.51.30139.227.51.31139.227.51.32139.227.51.33139.227.51.34139.227.51.35139.227.51.36139.227.51.37139.227.51.38139.227.51.39139.227.51.40139.227.51.41139.227.51.42139.227.51.43139.227.51.44139.227.51.45139.227.51.46139.227.51.47139.227.51.48139.227.51.49139.227.51.50139.227.51.51139.227.51.52139.227.51.53139.227.51.54139.227.51.55139.227.51.56139.227.51.57139.227.51.58139.227.51.59139.227.51.60139.227.51.61139.227.51.62139.227.51.63139.227.51.64139.227.51.65139.227.51.66139.227.51.67139.227.51.68139.227.51.69139.227.51.70139.227.51.71139.227.51.72139.227.51.73139.227.51.74139.227.51.75139.227.51.76139.227.51.77139.227.51.78139.227.51.79139.227.51.80139.227.51.81139.227.51.82139.227.51.83139.227.51.84139.227.51.85139.227.51.86139.227.51.87139.227.51.88139.227.51.89139.227.51.90139.227.51.91139.227.51.92139.227.51.93139.227.51.94139.227.51.95139.227.51.96139.227.51.97139.227.51.98139.227.51.99139.227.51.100139.227.51.101139.227.51.102139.227.51.103139.227.51.104139.227.51.105139.227.51.106139.227.51.107139.227.51.108139.227.51.109139.227.51.110139.227.51.111139.227.51.112139.227.51.113139.227.51.114139.227.51.115139.227.51.116139.227.51.117139.227.51.118139.227.51.119139.227.51.120139.227.51.121139.227.51.122139.227.51.123139.227.51.124139.227.51.125139.227.51.126139.227.51.127139.227.51.128139.227.51.129139.227.51.130139.227.51.131139.227.51.132139.227.51.133139.227.51.134139.227.51.135139.227.51.136139.227.51.137139.227.51.138139.227.51.139139.227.51.140139.227.51.141139.227.51.142139.227.51.143139.227.51.144139.227.51.145139.227.51.146139.227.51.147139.227.51.148139.227.51.149139.227.51.150139.227.51.151139.227.51.152139.227.51.153139.227.51.154139.227.51.155139.227.51.156139.227.51.157139.227.51.158139.227.51.159139.227.51.160139.227.51.161139.227.51.162139.227.51.163139.227.51.164139.227.51.165139.227.51.166139.227.51.167139.227.51.168139.227.51.169139.227.51.170139.227.51.171139.227.51.172139.227.51.173139.227.51.174139.227.51.175139.227.51.176139.227.51.177139.227.51.178139.227.51.179139.227.51.180139.227.51.181139.227.51.182139.227.51.183139.227.51.184139.227.51.185139.227.51.186139.227.51.187139.227.51.188139.227.51.189139.227.51.190139.227.51.191139.227.51.192139.227.51.193139.227.51.194139.227.51.195139.227.51.196139.227.51.197139.227.51.198139.227.51.199139.227.51.200139.227.51.201139.227.51.202139.227.51.203139.227.51.204139.227.51.205139.227.51.206139.227.51.207139.227.51.208139.227.51.209139.227.51.210139.227.51.211139.227.51.212139.227.51.213139.227.51.214139.227.51.215139.227.51.216139.227.51.217139.227.51.218139.227.51.219139.227.51.220139.227.51.221139.227.51.222139.227.51.223139.227.51.224139.227.51.225139.227.51.226139.227.51.227139.227.51.228139.227.51.229139.227.51.230139.227.51.231139.227.51.232139.227.51.233139.227.51.234139.227.51.235139.227.51.236139.227.51.237139.227.51.238139.227.51.239139.227.51.240139.227.51.241139.227.51.242139.227.51.243139.227.51.244139.227.51.245139.227.51.246139.227.51.247139.227.51.248139.227.51.249139.227.51.250139.227.51.251139.227.51.252139.227.51.253139.227.51.254139.227.51.255