AS13768 216.21.237.0/24 CIDR and IP Range Summary.ASN: 13768 - Aptum TechnologiesHost Count: 254Addressable IPs: 256 216.21.237.0216.21.237.1216.21.237.2216.21.237.3216.21.237.4216.21.237.5216.21.237.6216.21.237.7216.21.237.8216.21.237.9216.21.237.10216.21.237.11216.21.237.12216.21.237.13216.21.237.14216.21.237.15216.21.237.16216.21.237.17216.21.237.18216.21.237.19216.21.237.20216.21.237.21216.21.237.22216.21.237.23216.21.237.24216.21.237.25216.21.237.26216.21.237.27216.21.237.28216.21.237.29216.21.237.30216.21.237.31216.21.237.32216.21.237.33216.21.237.34216.21.237.35216.21.237.36216.21.237.37216.21.237.38216.21.237.39216.21.237.40216.21.237.41216.21.237.42216.21.237.43216.21.237.44216.21.237.45216.21.237.46216.21.237.47216.21.237.48216.21.237.49216.21.237.50216.21.237.51216.21.237.52216.21.237.53216.21.237.54216.21.237.55216.21.237.56216.21.237.57216.21.237.58216.21.237.59216.21.237.60216.21.237.61216.21.237.62216.21.237.63216.21.237.64216.21.237.65216.21.237.66216.21.237.67216.21.237.68216.21.237.69216.21.237.70216.21.237.71216.21.237.72216.21.237.73216.21.237.74216.21.237.75216.21.237.76216.21.237.77216.21.237.78216.21.237.79216.21.237.80216.21.237.81216.21.237.82216.21.237.83216.21.237.84216.21.237.85216.21.237.86216.21.237.87216.21.237.88216.21.237.89216.21.237.90216.21.237.91216.21.237.92216.21.237.93216.21.237.94216.21.237.95216.21.237.96216.21.237.97216.21.237.98216.21.237.99216.21.237.100216.21.237.101216.21.237.102216.21.237.103216.21.237.104216.21.237.105216.21.237.106216.21.237.107216.21.237.108216.21.237.109216.21.237.110216.21.237.111216.21.237.112216.21.237.113216.21.237.114216.21.237.115216.21.237.116216.21.237.117216.21.237.118216.21.237.119216.21.237.120216.21.237.121216.21.237.122216.21.237.123216.21.237.124216.21.237.125216.21.237.126216.21.237.127216.21.237.128216.21.237.129216.21.237.130216.21.237.131216.21.237.132216.21.237.133216.21.237.134216.21.237.135216.21.237.136216.21.237.137216.21.237.138216.21.237.139216.21.237.140216.21.237.141216.21.237.142216.21.237.143216.21.237.144216.21.237.145216.21.237.146216.21.237.147216.21.237.148216.21.237.149216.21.237.150216.21.237.151216.21.237.152216.21.237.153216.21.237.154216.21.237.155216.21.237.156216.21.237.157216.21.237.158216.21.237.159216.21.237.160216.21.237.161216.21.237.162216.21.237.163216.21.237.164216.21.237.165216.21.237.166216.21.237.167216.21.237.168216.21.237.169216.21.237.170216.21.237.171216.21.237.172216.21.237.173216.21.237.174216.21.237.175216.21.237.176216.21.237.177216.21.237.178216.21.237.179216.21.237.180216.21.237.181216.21.237.182216.21.237.183216.21.237.184216.21.237.185216.21.237.186216.21.237.187216.21.237.188216.21.237.189216.21.237.190216.21.237.191216.21.237.192216.21.237.193216.21.237.194216.21.237.195216.21.237.196216.21.237.197216.21.237.198216.21.237.199216.21.237.200216.21.237.201216.21.237.202216.21.237.203216.21.237.204216.21.237.205216.21.237.206216.21.237.207216.21.237.208216.21.237.209216.21.237.210216.21.237.211216.21.237.212216.21.237.213216.21.237.214216.21.237.215216.21.237.216216.21.237.217216.21.237.218216.21.237.219216.21.237.220216.21.237.221216.21.237.222216.21.237.223216.21.237.224216.21.237.225216.21.237.226216.21.237.227216.21.237.228216.21.237.229216.21.237.230216.21.237.231216.21.237.232216.21.237.233216.21.237.234216.21.237.235216.21.237.236216.21.237.237216.21.237.238216.21.237.239216.21.237.240216.21.237.241216.21.237.242216.21.237.243216.21.237.244216.21.237.245216.21.237.246216.21.237.247216.21.237.248216.21.237.249216.21.237.250216.21.237.251216.21.237.252216.21.237.253216.21.237.254216.21.237.255