AS55 128.91.191.0/24 CIDR and IP Range Summary.ASN: 55 - University of PennsylvaniaHost Count: 254Addressable IPs: 256 128.91.191.0128.91.191.1128.91.191.2128.91.191.3128.91.191.4128.91.191.5128.91.191.6128.91.191.7128.91.191.8128.91.191.9128.91.191.10128.91.191.11128.91.191.12128.91.191.13128.91.191.14128.91.191.15128.91.191.16128.91.191.17128.91.191.18128.91.191.19128.91.191.20128.91.191.21128.91.191.22128.91.191.23128.91.191.24128.91.191.25128.91.191.26128.91.191.27128.91.191.28128.91.191.29128.91.191.30128.91.191.31128.91.191.32128.91.191.33128.91.191.34128.91.191.35128.91.191.36128.91.191.37128.91.191.38128.91.191.39128.91.191.40128.91.191.41128.91.191.42128.91.191.43128.91.191.44128.91.191.45128.91.191.46128.91.191.47128.91.191.48128.91.191.49128.91.191.50128.91.191.51128.91.191.52128.91.191.53128.91.191.54128.91.191.55128.91.191.56128.91.191.57128.91.191.58128.91.191.59128.91.191.60128.91.191.61128.91.191.62128.91.191.63128.91.191.64128.91.191.65128.91.191.66128.91.191.67128.91.191.68128.91.191.69128.91.191.70128.91.191.71128.91.191.72128.91.191.73128.91.191.74128.91.191.75128.91.191.76128.91.191.77128.91.191.78128.91.191.79128.91.191.80128.91.191.81128.91.191.82128.91.191.83128.91.191.84128.91.191.85128.91.191.86128.91.191.87128.91.191.88128.91.191.89128.91.191.90128.91.191.91128.91.191.92128.91.191.93128.91.191.94128.91.191.95128.91.191.96128.91.191.97128.91.191.98128.91.191.99128.91.191.100128.91.191.101128.91.191.102128.91.191.103128.91.191.104128.91.191.105128.91.191.106128.91.191.107128.91.191.108128.91.191.109128.91.191.110128.91.191.111128.91.191.112128.91.191.113128.91.191.114128.91.191.115128.91.191.116128.91.191.117128.91.191.118128.91.191.119128.91.191.120128.91.191.121128.91.191.122128.91.191.123128.91.191.124128.91.191.125128.91.191.126128.91.191.127128.91.191.128128.91.191.129128.91.191.130128.91.191.131128.91.191.132128.91.191.133128.91.191.134128.91.191.135128.91.191.136128.91.191.137128.91.191.138128.91.191.139128.91.191.140128.91.191.141128.91.191.142128.91.191.143128.91.191.144128.91.191.145128.91.191.146128.91.191.147128.91.191.148128.91.191.149128.91.191.150128.91.191.151128.91.191.152128.91.191.153128.91.191.154128.91.191.155128.91.191.156128.91.191.157128.91.191.158128.91.191.159128.91.191.160128.91.191.161128.91.191.162128.91.191.163128.91.191.164128.91.191.165128.91.191.166128.91.191.167128.91.191.168128.91.191.169128.91.191.170128.91.191.171128.91.191.172128.91.191.173128.91.191.174128.91.191.175128.91.191.176128.91.191.177128.91.191.178128.91.191.179128.91.191.180128.91.191.181128.91.191.182128.91.191.183128.91.191.184128.91.191.185128.91.191.186128.91.191.187128.91.191.188128.91.191.189128.91.191.190128.91.191.191128.91.191.192128.91.191.193128.91.191.194128.91.191.195128.91.191.196128.91.191.197128.91.191.198128.91.191.199128.91.191.200128.91.191.201128.91.191.202128.91.191.203128.91.191.204128.91.191.205128.91.191.206128.91.191.207128.91.191.208128.91.191.209128.91.191.210128.91.191.211128.91.191.212128.91.191.213128.91.191.214128.91.191.215128.91.191.216128.91.191.217128.91.191.218128.91.191.219128.91.191.220128.91.191.221128.91.191.222128.91.191.223128.91.191.224128.91.191.225128.91.191.226128.91.191.227128.91.191.228128.91.191.229128.91.191.230128.91.191.231128.91.191.232128.91.191.233128.91.191.234128.91.191.235128.91.191.236128.91.191.237128.91.191.238128.91.191.239128.91.191.240128.91.191.241128.91.191.242128.91.191.243128.91.191.244128.91.191.245128.91.191.246128.91.191.247128.91.191.248128.91.191.249128.91.191.250128.91.191.251128.91.191.252128.91.191.253128.91.191.254128.91.191.255