AS4643 210.0.18.0/24 CIDR and IP Range Summary.ASN: 4643 - Optus Customer NetworkHost Count: 254Addressable IPs: 256 210.0.18.0210.0.18.1210.0.18.2210.0.18.3210.0.18.4210.0.18.5210.0.18.6210.0.18.7210.0.18.8210.0.18.9210.0.18.10210.0.18.11210.0.18.12210.0.18.13210.0.18.14210.0.18.15210.0.18.16210.0.18.17210.0.18.18210.0.18.19210.0.18.20210.0.18.21210.0.18.22210.0.18.23210.0.18.24210.0.18.25210.0.18.26210.0.18.27210.0.18.28210.0.18.29210.0.18.30210.0.18.31210.0.18.32210.0.18.33210.0.18.34210.0.18.35210.0.18.36210.0.18.37210.0.18.38210.0.18.39210.0.18.40210.0.18.41210.0.18.42210.0.18.43210.0.18.44210.0.18.45210.0.18.46210.0.18.47210.0.18.48210.0.18.49210.0.18.50210.0.18.51210.0.18.52210.0.18.53210.0.18.54210.0.18.55210.0.18.56210.0.18.57210.0.18.58210.0.18.59210.0.18.60210.0.18.61210.0.18.62210.0.18.63210.0.18.64210.0.18.65210.0.18.66210.0.18.67210.0.18.68210.0.18.69210.0.18.70210.0.18.71210.0.18.72210.0.18.73210.0.18.74210.0.18.75210.0.18.76210.0.18.77210.0.18.78210.0.18.79210.0.18.80210.0.18.81210.0.18.82210.0.18.83210.0.18.84210.0.18.85210.0.18.86210.0.18.87210.0.18.88210.0.18.89210.0.18.90210.0.18.91210.0.18.92210.0.18.93210.0.18.94210.0.18.95210.0.18.96210.0.18.97210.0.18.98210.0.18.99210.0.18.100210.0.18.101210.0.18.102210.0.18.103210.0.18.104210.0.18.105210.0.18.106210.0.18.107210.0.18.108210.0.18.109210.0.18.110210.0.18.111210.0.18.112210.0.18.113210.0.18.114210.0.18.115210.0.18.116210.0.18.117210.0.18.118210.0.18.119210.0.18.120210.0.18.121210.0.18.122210.0.18.123210.0.18.124210.0.18.125210.0.18.126210.0.18.127210.0.18.128210.0.18.129210.0.18.130210.0.18.131210.0.18.132210.0.18.133210.0.18.134210.0.18.135210.0.18.136210.0.18.137210.0.18.138210.0.18.139210.0.18.140210.0.18.141210.0.18.142210.0.18.143210.0.18.144210.0.18.145210.0.18.146210.0.18.147210.0.18.148210.0.18.149210.0.18.150210.0.18.151210.0.18.152210.0.18.153210.0.18.154210.0.18.155210.0.18.156210.0.18.157210.0.18.158210.0.18.159210.0.18.160210.0.18.161210.0.18.162210.0.18.163210.0.18.164210.0.18.165210.0.18.166210.0.18.167210.0.18.168210.0.18.169210.0.18.170210.0.18.171210.0.18.172210.0.18.173210.0.18.174210.0.18.175210.0.18.176210.0.18.177210.0.18.178210.0.18.179210.0.18.180210.0.18.181210.0.18.182210.0.18.183210.0.18.184210.0.18.185210.0.18.186210.0.18.187210.0.18.188210.0.18.189210.0.18.190210.0.18.191210.0.18.192210.0.18.193210.0.18.194210.0.18.195210.0.18.196210.0.18.197210.0.18.198210.0.18.199210.0.18.200210.0.18.201210.0.18.202210.0.18.203210.0.18.204210.0.18.205210.0.18.206210.0.18.207210.0.18.208210.0.18.209210.0.18.210210.0.18.211210.0.18.212210.0.18.213210.0.18.214210.0.18.215210.0.18.216210.0.18.217210.0.18.218210.0.18.219210.0.18.220210.0.18.221210.0.18.222210.0.18.223210.0.18.224210.0.18.225210.0.18.226210.0.18.227210.0.18.228210.0.18.229210.0.18.230210.0.18.231210.0.18.232210.0.18.233210.0.18.234210.0.18.235210.0.18.236210.0.18.237210.0.18.238210.0.18.239210.0.18.240210.0.18.241210.0.18.242210.0.18.243210.0.18.244210.0.18.245210.0.18.246210.0.18.247210.0.18.248210.0.18.249210.0.18.250210.0.18.251210.0.18.252210.0.18.253210.0.18.254210.0.18.255