AS4721 113.52.21.0/24 CIDR and IP Range Summary.ASN: 4721 - JCN JCOM Co. Ltd.Host Count: 254Addressable IPs: 256 113.52.21.0113.52.21.1113.52.21.2113.52.21.3113.52.21.4113.52.21.5113.52.21.6113.52.21.7113.52.21.8113.52.21.9113.52.21.10113.52.21.11113.52.21.12113.52.21.13113.52.21.14113.52.21.15113.52.21.16113.52.21.17113.52.21.18113.52.21.19113.52.21.20113.52.21.21113.52.21.22113.52.21.23113.52.21.24113.52.21.25113.52.21.26113.52.21.27113.52.21.28113.52.21.29113.52.21.30113.52.21.31113.52.21.32113.52.21.33113.52.21.34113.52.21.35113.52.21.36113.52.21.37113.52.21.38113.52.21.39113.52.21.40113.52.21.41113.52.21.42113.52.21.43113.52.21.44113.52.21.45113.52.21.46113.52.21.47113.52.21.48113.52.21.49113.52.21.50113.52.21.51113.52.21.52113.52.21.53113.52.21.54113.52.21.55113.52.21.56113.52.21.57113.52.21.58113.52.21.59113.52.21.60113.52.21.61113.52.21.62113.52.21.63113.52.21.64113.52.21.65113.52.21.66113.52.21.67113.52.21.68113.52.21.69113.52.21.70113.52.21.71113.52.21.72113.52.21.73113.52.21.74113.52.21.75113.52.21.76113.52.21.77113.52.21.78113.52.21.79113.52.21.80113.52.21.81113.52.21.82113.52.21.83113.52.21.84113.52.21.85113.52.21.86113.52.21.87113.52.21.88113.52.21.89113.52.21.90113.52.21.91113.52.21.92113.52.21.93113.52.21.94113.52.21.95113.52.21.96113.52.21.97113.52.21.98113.52.21.99113.52.21.100113.52.21.101113.52.21.102113.52.21.103113.52.21.104113.52.21.105113.52.21.106113.52.21.107113.52.21.108113.52.21.109113.52.21.110113.52.21.111113.52.21.112113.52.21.113113.52.21.114113.52.21.115113.52.21.116113.52.21.117113.52.21.118113.52.21.119113.52.21.120113.52.21.121113.52.21.122113.52.21.123113.52.21.124113.52.21.125113.52.21.126113.52.21.127113.52.21.128113.52.21.129113.52.21.130113.52.21.131113.52.21.132113.52.21.133113.52.21.134113.52.21.135113.52.21.136113.52.21.137113.52.21.138113.52.21.139113.52.21.140113.52.21.141113.52.21.142113.52.21.143113.52.21.144113.52.21.145113.52.21.146113.52.21.147113.52.21.148113.52.21.149113.52.21.150113.52.21.151113.52.21.152113.52.21.153113.52.21.154113.52.21.155113.52.21.156113.52.21.157113.52.21.158113.52.21.159113.52.21.160113.52.21.161113.52.21.162113.52.21.163113.52.21.164113.52.21.165113.52.21.166113.52.21.167113.52.21.168113.52.21.169113.52.21.170113.52.21.171113.52.21.172113.52.21.173113.52.21.174113.52.21.175113.52.21.176113.52.21.177113.52.21.178113.52.21.179113.52.21.180113.52.21.181113.52.21.182113.52.21.183113.52.21.184113.52.21.185113.52.21.186113.52.21.187113.52.21.188113.52.21.189113.52.21.190113.52.21.191113.52.21.192113.52.21.193113.52.21.194113.52.21.195113.52.21.196113.52.21.197113.52.21.198113.52.21.199113.52.21.200113.52.21.201113.52.21.202113.52.21.203113.52.21.204113.52.21.205113.52.21.206113.52.21.207113.52.21.208113.52.21.209113.52.21.210113.52.21.211113.52.21.212113.52.21.213113.52.21.214113.52.21.215113.52.21.216113.52.21.217113.52.21.218113.52.21.219113.52.21.220113.52.21.221113.52.21.222113.52.21.223113.52.21.224113.52.21.225113.52.21.226113.52.21.227113.52.21.228113.52.21.229113.52.21.230113.52.21.231113.52.21.232113.52.21.233113.52.21.234113.52.21.235113.52.21.236113.52.21.237113.52.21.238113.52.21.239113.52.21.240113.52.21.241113.52.21.242113.52.21.243113.52.21.244113.52.21.245113.52.21.246113.52.21.247113.52.21.248113.52.21.249113.52.21.250113.52.21.251113.52.21.252113.52.21.253113.52.21.254113.52.21.255