AS13 128.20.243.0/24 CIDR and IP Range Summary.ASN: 13 - Headquarters USAISCHost Count: 254Addressable IPs: 256 128.20.243.0128.20.243.1128.20.243.2128.20.243.3128.20.243.4128.20.243.5128.20.243.6128.20.243.7128.20.243.8128.20.243.9128.20.243.10128.20.243.11128.20.243.12128.20.243.13128.20.243.14128.20.243.15128.20.243.16128.20.243.17128.20.243.18128.20.243.19128.20.243.20128.20.243.21128.20.243.22128.20.243.23128.20.243.24128.20.243.25128.20.243.26128.20.243.27128.20.243.28128.20.243.29128.20.243.30128.20.243.31128.20.243.32128.20.243.33128.20.243.34128.20.243.35128.20.243.36128.20.243.37128.20.243.38128.20.243.39128.20.243.40128.20.243.41128.20.243.42128.20.243.43128.20.243.44128.20.243.45128.20.243.46128.20.243.47128.20.243.48128.20.243.49128.20.243.50128.20.243.51128.20.243.52128.20.243.53128.20.243.54128.20.243.55128.20.243.56128.20.243.57128.20.243.58128.20.243.59128.20.243.60128.20.243.61128.20.243.62128.20.243.63128.20.243.64128.20.243.65128.20.243.66128.20.243.67128.20.243.68128.20.243.69128.20.243.70128.20.243.71128.20.243.72128.20.243.73128.20.243.74128.20.243.75128.20.243.76128.20.243.77128.20.243.78128.20.243.79128.20.243.80128.20.243.81128.20.243.82128.20.243.83128.20.243.84128.20.243.85128.20.243.86128.20.243.87128.20.243.88128.20.243.89128.20.243.90128.20.243.91128.20.243.92128.20.243.93128.20.243.94128.20.243.95128.20.243.96128.20.243.97128.20.243.98128.20.243.99128.20.243.100128.20.243.101128.20.243.102128.20.243.103128.20.243.104128.20.243.105128.20.243.106128.20.243.107128.20.243.108128.20.243.109128.20.243.110128.20.243.111128.20.243.112128.20.243.113128.20.243.114128.20.243.115128.20.243.116128.20.243.117128.20.243.118128.20.243.119128.20.243.120128.20.243.121128.20.243.122128.20.243.123128.20.243.124128.20.243.125128.20.243.126128.20.243.127128.20.243.128128.20.243.129128.20.243.130128.20.243.131128.20.243.132128.20.243.133128.20.243.134128.20.243.135128.20.243.136128.20.243.137128.20.243.138128.20.243.139128.20.243.140128.20.243.141128.20.243.142128.20.243.143128.20.243.144128.20.243.145128.20.243.146128.20.243.147128.20.243.148128.20.243.149128.20.243.150128.20.243.151128.20.243.152128.20.243.153128.20.243.154128.20.243.155128.20.243.156128.20.243.157128.20.243.158128.20.243.159128.20.243.160128.20.243.161128.20.243.162128.20.243.163128.20.243.164128.20.243.165128.20.243.166128.20.243.167128.20.243.168128.20.243.169128.20.243.170128.20.243.171128.20.243.172128.20.243.173128.20.243.174128.20.243.175128.20.243.176128.20.243.177128.20.243.178128.20.243.179128.20.243.180128.20.243.181128.20.243.182128.20.243.183128.20.243.184128.20.243.185128.20.243.186128.20.243.187128.20.243.188128.20.243.189128.20.243.190128.20.243.191128.20.243.192128.20.243.193128.20.243.194128.20.243.195128.20.243.196128.20.243.197128.20.243.198128.20.243.199128.20.243.200128.20.243.201128.20.243.202128.20.243.203128.20.243.204128.20.243.205128.20.243.206128.20.243.207128.20.243.208128.20.243.209128.20.243.210128.20.243.211128.20.243.212128.20.243.213128.20.243.214128.20.243.215128.20.243.216128.20.243.217128.20.243.218128.20.243.219128.20.243.220128.20.243.221128.20.243.222128.20.243.223128.20.243.224128.20.243.225128.20.243.226128.20.243.227128.20.243.228128.20.243.229128.20.243.230128.20.243.231128.20.243.232128.20.243.233128.20.243.234128.20.243.235128.20.243.236128.20.243.237128.20.243.238128.20.243.239128.20.243.240128.20.243.241128.20.243.242128.20.243.243128.20.243.244128.20.243.245128.20.243.246128.20.243.247128.20.243.248128.20.243.249128.20.243.250128.20.243.251128.20.243.252128.20.243.253128.20.243.254128.20.243.255