AS7474 168.252.144.0/20 CIDR and IP Range Summary.ASN: 7474 - SingTel Optus Pty LtdHost Count: 4094Addressable IPs: 4096168.252.144.0/24168.252.145.0/24168.252.146.0/24168.252.147.0/24168.252.148.0/24168.252.149.0/24168.252.150.0/24168.252.151.0/24168.252.152.0/24168.252.153.0/24168.252.154.0/24168.252.155.0/24168.252.156.0/24168.252.157.0/24168.252.158.0/24168.252.159.0/24