AS55 128.91.224.0/24 CIDR and IP Range Summary.ASN: 55 - University of PennsylvaniaHost Count: 254Addressable IPs: 256 128.91.224.0128.91.224.1128.91.224.2128.91.224.3128.91.224.4128.91.224.5128.91.224.6128.91.224.7128.91.224.8128.91.224.9128.91.224.10128.91.224.11128.91.224.12128.91.224.13128.91.224.14128.91.224.15128.91.224.16128.91.224.17128.91.224.18128.91.224.19128.91.224.20128.91.224.21128.91.224.22128.91.224.23128.91.224.24128.91.224.25128.91.224.26128.91.224.27128.91.224.28128.91.224.29128.91.224.30128.91.224.31128.91.224.32128.91.224.33128.91.224.34128.91.224.35128.91.224.36128.91.224.37128.91.224.38128.91.224.39128.91.224.40128.91.224.41128.91.224.42128.91.224.43128.91.224.44128.91.224.45128.91.224.46128.91.224.47128.91.224.48128.91.224.49128.91.224.50128.91.224.51128.91.224.52128.91.224.53128.91.224.54128.91.224.55128.91.224.56128.91.224.57128.91.224.58128.91.224.59128.91.224.60128.91.224.61128.91.224.62128.91.224.63128.91.224.64128.91.224.65128.91.224.66128.91.224.67128.91.224.68128.91.224.69128.91.224.70128.91.224.71128.91.224.72128.91.224.73128.91.224.74128.91.224.75128.91.224.76128.91.224.77128.91.224.78128.91.224.79128.91.224.80128.91.224.81128.91.224.82128.91.224.83128.91.224.84128.91.224.85128.91.224.86128.91.224.87128.91.224.88128.91.224.89128.91.224.90128.91.224.91128.91.224.92128.91.224.93128.91.224.94128.91.224.95128.91.224.96128.91.224.97128.91.224.98128.91.224.99128.91.224.100128.91.224.101128.91.224.102128.91.224.103128.91.224.104128.91.224.105128.91.224.106128.91.224.107128.91.224.108128.91.224.109128.91.224.110128.91.224.111128.91.224.112128.91.224.113128.91.224.114128.91.224.115128.91.224.116128.91.224.117128.91.224.118128.91.224.119128.91.224.120128.91.224.121128.91.224.122128.91.224.123128.91.224.124128.91.224.125128.91.224.126128.91.224.127128.91.224.128128.91.224.129128.91.224.130128.91.224.131128.91.224.132128.91.224.133128.91.224.134128.91.224.135128.91.224.136128.91.224.137128.91.224.138128.91.224.139128.91.224.140128.91.224.141128.91.224.142128.91.224.143128.91.224.144128.91.224.145128.91.224.146128.91.224.147128.91.224.148128.91.224.149128.91.224.150128.91.224.151128.91.224.152128.91.224.153128.91.224.154128.91.224.155128.91.224.156128.91.224.157128.91.224.158128.91.224.159128.91.224.160128.91.224.161128.91.224.162128.91.224.163128.91.224.164128.91.224.165128.91.224.166128.91.224.167128.91.224.168128.91.224.169128.91.224.170128.91.224.171128.91.224.172128.91.224.173128.91.224.174128.91.224.175128.91.224.176128.91.224.177128.91.224.178128.91.224.179128.91.224.180128.91.224.181128.91.224.182128.91.224.183128.91.224.184128.91.224.185128.91.224.186128.91.224.187128.91.224.188128.91.224.189128.91.224.190128.91.224.191128.91.224.192128.91.224.193128.91.224.194128.91.224.195128.91.224.196128.91.224.197128.91.224.198128.91.224.199128.91.224.200128.91.224.201128.91.224.202128.91.224.203128.91.224.204128.91.224.205128.91.224.206128.91.224.207128.91.224.208128.91.224.209128.91.224.210128.91.224.211128.91.224.212128.91.224.213128.91.224.214128.91.224.215128.91.224.216128.91.224.217128.91.224.218128.91.224.219128.91.224.220128.91.224.221128.91.224.222128.91.224.223128.91.224.224128.91.224.225128.91.224.226128.91.224.227128.91.224.228128.91.224.229128.91.224.230128.91.224.231128.91.224.232128.91.224.233128.91.224.234128.91.224.235128.91.224.236128.91.224.237128.91.224.238128.91.224.239128.91.224.240128.91.224.241128.91.224.242128.91.224.243128.91.224.244128.91.224.245128.91.224.246128.91.224.247128.91.224.248128.91.224.249128.91.224.250128.91.224.251128.91.224.252128.91.224.253128.91.224.254128.91.224.255