AS131158 163.221.20.0/24 CIDR and IP Range Summary.ASN: 131158 - Nara Institute of Science and Technology National University CorporationHost Count: 254Addressable IPs: 256 163.221.20.0163.221.20.1163.221.20.2163.221.20.3163.221.20.4163.221.20.5163.221.20.6163.221.20.7163.221.20.8163.221.20.9163.221.20.10163.221.20.11163.221.20.12163.221.20.13163.221.20.14163.221.20.15163.221.20.16163.221.20.17163.221.20.18163.221.20.19163.221.20.20163.221.20.21163.221.20.22163.221.20.23163.221.20.24163.221.20.25163.221.20.26163.221.20.27163.221.20.28163.221.20.29163.221.20.30163.221.20.31163.221.20.32163.221.20.33163.221.20.34163.221.20.35163.221.20.36163.221.20.37163.221.20.38163.221.20.39163.221.20.40163.221.20.41163.221.20.42163.221.20.43163.221.20.44163.221.20.45163.221.20.46163.221.20.47163.221.20.48163.221.20.49163.221.20.50163.221.20.51163.221.20.52163.221.20.53163.221.20.54163.221.20.55163.221.20.56163.221.20.57163.221.20.58163.221.20.59163.221.20.60163.221.20.61163.221.20.62163.221.20.63163.221.20.64163.221.20.65163.221.20.66163.221.20.67163.221.20.68163.221.20.69163.221.20.70163.221.20.71163.221.20.72163.221.20.73163.221.20.74163.221.20.75163.221.20.76163.221.20.77163.221.20.78163.221.20.79163.221.20.80163.221.20.81163.221.20.82163.221.20.83163.221.20.84163.221.20.85163.221.20.86163.221.20.87163.221.20.88163.221.20.89163.221.20.90163.221.20.91163.221.20.92163.221.20.93163.221.20.94163.221.20.95163.221.20.96163.221.20.97163.221.20.98163.221.20.99163.221.20.100163.221.20.101163.221.20.102163.221.20.103163.221.20.104163.221.20.105163.221.20.106163.221.20.107163.221.20.108163.221.20.109163.221.20.110163.221.20.111163.221.20.112163.221.20.113163.221.20.114163.221.20.115163.221.20.116163.221.20.117163.221.20.118163.221.20.119163.221.20.120163.221.20.121163.221.20.122163.221.20.123163.221.20.124163.221.20.125163.221.20.126163.221.20.127163.221.20.128163.221.20.129163.221.20.130163.221.20.131163.221.20.132163.221.20.133163.221.20.134163.221.20.135163.221.20.136163.221.20.137163.221.20.138163.221.20.139163.221.20.140163.221.20.141163.221.20.142163.221.20.143163.221.20.144163.221.20.145163.221.20.146163.221.20.147163.221.20.148163.221.20.149163.221.20.150163.221.20.151163.221.20.152163.221.20.153163.221.20.154163.221.20.155163.221.20.156163.221.20.157163.221.20.158163.221.20.159163.221.20.160163.221.20.161163.221.20.162163.221.20.163163.221.20.164163.221.20.165163.221.20.166163.221.20.167163.221.20.168163.221.20.169163.221.20.170163.221.20.171163.221.20.172163.221.20.173163.221.20.174163.221.20.175163.221.20.176163.221.20.177163.221.20.178163.221.20.179163.221.20.180163.221.20.181163.221.20.182163.221.20.183163.221.20.184163.221.20.185163.221.20.186163.221.20.187163.221.20.188163.221.20.189163.221.20.190163.221.20.191163.221.20.192163.221.20.193163.221.20.194163.221.20.195163.221.20.196163.221.20.197163.221.20.198163.221.20.199163.221.20.200163.221.20.201163.221.20.202163.221.20.203163.221.20.204163.221.20.205163.221.20.206163.221.20.207163.221.20.208163.221.20.209163.221.20.210163.221.20.211163.221.20.212163.221.20.213163.221.20.214163.221.20.215163.221.20.216163.221.20.217163.221.20.218163.221.20.219163.221.20.220163.221.20.221163.221.20.222163.221.20.223163.221.20.224163.221.20.225163.221.20.226163.221.20.227163.221.20.228163.221.20.229163.221.20.230163.221.20.231163.221.20.232163.221.20.233163.221.20.234163.221.20.235163.221.20.236163.221.20.237163.221.20.238163.221.20.239163.221.20.240163.221.20.241163.221.20.242163.221.20.243163.221.20.244163.221.20.245163.221.20.246163.221.20.247163.221.20.248163.221.20.249163.221.20.250163.221.20.251163.221.20.252163.221.20.253163.221.20.254163.221.20.255