AS17638 221.239.18.0/24 CIDR and IP Range Summary.ASN: 17638 - ASN for TIANJIN Provincial Net of CTHost Count: 254Addressable IPs: 256 221.239.18.0221.239.18.1221.239.18.2221.239.18.3221.239.18.4221.239.18.5221.239.18.6221.239.18.7221.239.18.8221.239.18.9221.239.18.10221.239.18.11221.239.18.12221.239.18.13221.239.18.14221.239.18.15221.239.18.16221.239.18.17221.239.18.18221.239.18.19221.239.18.20221.239.18.21221.239.18.22221.239.18.23221.239.18.24221.239.18.25221.239.18.26221.239.18.27221.239.18.28221.239.18.29221.239.18.30221.239.18.31221.239.18.32221.239.18.33221.239.18.34221.239.18.35221.239.18.36221.239.18.37221.239.18.38221.239.18.39221.239.18.40221.239.18.41221.239.18.42221.239.18.43221.239.18.44221.239.18.45221.239.18.46221.239.18.47221.239.18.48221.239.18.49221.239.18.50221.239.18.51221.239.18.52221.239.18.53221.239.18.54221.239.18.55221.239.18.56221.239.18.57221.239.18.58221.239.18.59221.239.18.60221.239.18.61221.239.18.62221.239.18.63221.239.18.64221.239.18.65221.239.18.66221.239.18.67221.239.18.68221.239.18.69221.239.18.70221.239.18.71221.239.18.72221.239.18.73221.239.18.74221.239.18.75221.239.18.76221.239.18.77221.239.18.78221.239.18.79221.239.18.80221.239.18.81221.239.18.82221.239.18.83221.239.18.84221.239.18.85221.239.18.86221.239.18.87221.239.18.88221.239.18.89221.239.18.90221.239.18.91221.239.18.92221.239.18.93221.239.18.94221.239.18.95221.239.18.96221.239.18.97221.239.18.98221.239.18.99221.239.18.100221.239.18.101221.239.18.102221.239.18.103221.239.18.104221.239.18.105221.239.18.106221.239.18.107221.239.18.108221.239.18.109221.239.18.110221.239.18.111221.239.18.112221.239.18.113221.239.18.114221.239.18.115221.239.18.116221.239.18.117221.239.18.118221.239.18.119221.239.18.120221.239.18.121221.239.18.122221.239.18.123221.239.18.124221.239.18.125221.239.18.126221.239.18.127221.239.18.128221.239.18.129221.239.18.130221.239.18.131221.239.18.132221.239.18.133221.239.18.134221.239.18.135221.239.18.136221.239.18.137221.239.18.138221.239.18.139221.239.18.140221.239.18.141221.239.18.142221.239.18.143221.239.18.144221.239.18.145221.239.18.146221.239.18.147221.239.18.148221.239.18.149221.239.18.150221.239.18.151221.239.18.152221.239.18.153221.239.18.154221.239.18.155221.239.18.156221.239.18.157221.239.18.158221.239.18.159221.239.18.160221.239.18.161221.239.18.162221.239.18.163221.239.18.164221.239.18.165221.239.18.166221.239.18.167221.239.18.168221.239.18.169221.239.18.170221.239.18.171221.239.18.172221.239.18.173221.239.18.174221.239.18.175221.239.18.176221.239.18.177221.239.18.178221.239.18.179221.239.18.180221.239.18.181221.239.18.182221.239.18.183221.239.18.184221.239.18.185221.239.18.186221.239.18.187221.239.18.188221.239.18.189221.239.18.190221.239.18.191221.239.18.192221.239.18.193221.239.18.194221.239.18.195221.239.18.196221.239.18.197221.239.18.198221.239.18.199221.239.18.200221.239.18.201221.239.18.202221.239.18.203221.239.18.204221.239.18.205221.239.18.206221.239.18.207221.239.18.208221.239.18.209221.239.18.210221.239.18.211221.239.18.212221.239.18.213221.239.18.214221.239.18.215221.239.18.216221.239.18.217221.239.18.218221.239.18.219221.239.18.220221.239.18.221221.239.18.222221.239.18.223221.239.18.224221.239.18.225221.239.18.226221.239.18.227221.239.18.228221.239.18.229221.239.18.230221.239.18.231221.239.18.232221.239.18.233221.239.18.234221.239.18.235221.239.18.236221.239.18.237221.239.18.238221.239.18.239221.239.18.240221.239.18.241221.239.18.242221.239.18.243221.239.18.244221.239.18.245221.239.18.246221.239.18.247221.239.18.248221.239.18.249221.239.18.250221.239.18.251221.239.18.252221.239.18.253221.239.18.254221.239.18.255