AS55 128.91.5.0/24 CIDR and IP Range Summary.ASN: 55 - University of PennsylvaniaHost Count: 254Addressable IPs: 256 128.91.5.0128.91.5.1128.91.5.2128.91.5.3128.91.5.4128.91.5.5128.91.5.6128.91.5.7128.91.5.8128.91.5.9128.91.5.10128.91.5.11128.91.5.12128.91.5.13128.91.5.14128.91.5.15128.91.5.16128.91.5.17128.91.5.18128.91.5.19128.91.5.20128.91.5.21128.91.5.22128.91.5.23128.91.5.24128.91.5.25128.91.5.26128.91.5.27128.91.5.28128.91.5.29128.91.5.30128.91.5.31128.91.5.32128.91.5.33128.91.5.34128.91.5.35128.91.5.36128.91.5.37128.91.5.38128.91.5.39128.91.5.40128.91.5.41128.91.5.42128.91.5.43128.91.5.44128.91.5.45128.91.5.46128.91.5.47128.91.5.48128.91.5.49128.91.5.50128.91.5.51128.91.5.52128.91.5.53128.91.5.54128.91.5.55128.91.5.56128.91.5.57128.91.5.58128.91.5.59128.91.5.60128.91.5.61128.91.5.62128.91.5.63128.91.5.64128.91.5.65128.91.5.66128.91.5.67128.91.5.68128.91.5.69128.91.5.70128.91.5.71128.91.5.72128.91.5.73128.91.5.74128.91.5.75128.91.5.76128.91.5.77128.91.5.78128.91.5.79128.91.5.80128.91.5.81128.91.5.82128.91.5.83128.91.5.84128.91.5.85128.91.5.86128.91.5.87128.91.5.88128.91.5.89128.91.5.90128.91.5.91128.91.5.92128.91.5.93128.91.5.94128.91.5.95128.91.5.96128.91.5.97128.91.5.98128.91.5.99128.91.5.100128.91.5.101128.91.5.102128.91.5.103128.91.5.104128.91.5.105128.91.5.106128.91.5.107128.91.5.108128.91.5.109128.91.5.110128.91.5.111128.91.5.112128.91.5.113128.91.5.114128.91.5.115128.91.5.116128.91.5.117128.91.5.118128.91.5.119128.91.5.120128.91.5.121128.91.5.122128.91.5.123128.91.5.124128.91.5.125128.91.5.126128.91.5.127128.91.5.128128.91.5.129128.91.5.130128.91.5.131128.91.5.132128.91.5.133128.91.5.134128.91.5.135128.91.5.136128.91.5.137128.91.5.138128.91.5.139128.91.5.140128.91.5.141128.91.5.142128.91.5.143128.91.5.144128.91.5.145128.91.5.146128.91.5.147128.91.5.148128.91.5.149128.91.5.150128.91.5.151128.91.5.152128.91.5.153128.91.5.154128.91.5.155128.91.5.156128.91.5.157128.91.5.158128.91.5.159128.91.5.160128.91.5.161128.91.5.162128.91.5.163128.91.5.164128.91.5.165128.91.5.166128.91.5.167128.91.5.168128.91.5.169128.91.5.170128.91.5.171128.91.5.172128.91.5.173128.91.5.174128.91.5.175128.91.5.176128.91.5.177128.91.5.178128.91.5.179128.91.5.180128.91.5.181128.91.5.182128.91.5.183128.91.5.184128.91.5.185128.91.5.186128.91.5.187128.91.5.188128.91.5.189128.91.5.190128.91.5.191128.91.5.192128.91.5.193128.91.5.194128.91.5.195128.91.5.196128.91.5.197128.91.5.198128.91.5.199128.91.5.200128.91.5.201128.91.5.202128.91.5.203128.91.5.204128.91.5.205128.91.5.206128.91.5.207128.91.5.208128.91.5.209128.91.5.210128.91.5.211128.91.5.212128.91.5.213128.91.5.214128.91.5.215128.91.5.216128.91.5.217128.91.5.218128.91.5.219128.91.5.220128.91.5.221128.91.5.222128.91.5.223128.91.5.224128.91.5.225128.91.5.226128.91.5.227128.91.5.228128.91.5.229128.91.5.230128.91.5.231128.91.5.232128.91.5.233128.91.5.234128.91.5.235128.91.5.236128.91.5.237128.91.5.238128.91.5.239128.91.5.240128.91.5.241128.91.5.242128.91.5.243128.91.5.244128.91.5.245128.91.5.246128.91.5.247128.91.5.248128.91.5.249128.91.5.250128.91.5.251128.91.5.252128.91.5.253128.91.5.254128.91.5.255