AS131158 163.221.81.0/24 CIDR and IP Range Summary.ASN: 131158 - Nara Institute of Science and Technology National University CorporationHost Count: 254Addressable IPs: 256 163.221.81.0163.221.81.1163.221.81.2163.221.81.3163.221.81.4163.221.81.5163.221.81.6163.221.81.7163.221.81.8163.221.81.9163.221.81.10163.221.81.11163.221.81.12163.221.81.13163.221.81.14163.221.81.15163.221.81.16163.221.81.17163.221.81.18163.221.81.19163.221.81.20163.221.81.21163.221.81.22163.221.81.23163.221.81.24163.221.81.25163.221.81.26163.221.81.27163.221.81.28163.221.81.29163.221.81.30163.221.81.31163.221.81.32163.221.81.33163.221.81.34163.221.81.35163.221.81.36163.221.81.37163.221.81.38163.221.81.39163.221.81.40163.221.81.41163.221.81.42163.221.81.43163.221.81.44163.221.81.45163.221.81.46163.221.81.47163.221.81.48163.221.81.49163.221.81.50163.221.81.51163.221.81.52163.221.81.53163.221.81.54163.221.81.55163.221.81.56163.221.81.57163.221.81.58163.221.81.59163.221.81.60163.221.81.61163.221.81.62163.221.81.63163.221.81.64163.221.81.65163.221.81.66163.221.81.67163.221.81.68163.221.81.69163.221.81.70163.221.81.71163.221.81.72163.221.81.73163.221.81.74163.221.81.75163.221.81.76163.221.81.77163.221.81.78163.221.81.79163.221.81.80163.221.81.81163.221.81.82163.221.81.83163.221.81.84163.221.81.85163.221.81.86163.221.81.87163.221.81.88163.221.81.89163.221.81.90163.221.81.91163.221.81.92163.221.81.93163.221.81.94163.221.81.95163.221.81.96163.221.81.97163.221.81.98163.221.81.99163.221.81.100163.221.81.101163.221.81.102163.221.81.103163.221.81.104163.221.81.105163.221.81.106163.221.81.107163.221.81.108163.221.81.109163.221.81.110163.221.81.111163.221.81.112163.221.81.113163.221.81.114163.221.81.115163.221.81.116163.221.81.117163.221.81.118163.221.81.119163.221.81.120163.221.81.121163.221.81.122163.221.81.123163.221.81.124163.221.81.125163.221.81.126163.221.81.127163.221.81.128163.221.81.129163.221.81.130163.221.81.131163.221.81.132163.221.81.133163.221.81.134163.221.81.135163.221.81.136163.221.81.137163.221.81.138163.221.81.139163.221.81.140163.221.81.141163.221.81.142163.221.81.143163.221.81.144163.221.81.145163.221.81.146163.221.81.147163.221.81.148163.221.81.149163.221.81.150163.221.81.151163.221.81.152163.221.81.153163.221.81.154163.221.81.155163.221.81.156163.221.81.157163.221.81.158163.221.81.159163.221.81.160163.221.81.161163.221.81.162163.221.81.163163.221.81.164163.221.81.165163.221.81.166163.221.81.167163.221.81.168163.221.81.169163.221.81.170163.221.81.171163.221.81.172163.221.81.173163.221.81.174163.221.81.175163.221.81.176163.221.81.177163.221.81.178163.221.81.179163.221.81.180163.221.81.181163.221.81.182163.221.81.183163.221.81.184163.221.81.185163.221.81.186163.221.81.187163.221.81.188163.221.81.189163.221.81.190163.221.81.191163.221.81.192163.221.81.193163.221.81.194163.221.81.195163.221.81.196163.221.81.197163.221.81.198163.221.81.199163.221.81.200163.221.81.201163.221.81.202163.221.81.203163.221.81.204163.221.81.205163.221.81.206163.221.81.207163.221.81.208163.221.81.209163.221.81.210163.221.81.211163.221.81.212163.221.81.213163.221.81.214163.221.81.215163.221.81.216163.221.81.217163.221.81.218163.221.81.219163.221.81.220163.221.81.221163.221.81.222163.221.81.223163.221.81.224163.221.81.225163.221.81.226163.221.81.227163.221.81.228163.221.81.229163.221.81.230163.221.81.231163.221.81.232163.221.81.233163.221.81.234163.221.81.235163.221.81.236163.221.81.237163.221.81.238163.221.81.239163.221.81.240163.221.81.241163.221.81.242163.221.81.243163.221.81.244163.221.81.245163.221.81.246163.221.81.247163.221.81.248163.221.81.249163.221.81.250163.221.81.251163.221.81.252163.221.81.253163.221.81.254163.221.81.255