AS7474 61.88.160.0/20 CIDR and IP Range Summary.ASN: 7474 - SingTel Optus Pty LtdHost Count: 4094Addressable IPs: 409661.88.160.0/2461.88.161.0/2461.88.162.0/2461.88.163.0/2461.88.164.0/2461.88.165.0/2461.88.166.0/2461.88.167.0/2461.88.168.0/2461.88.169.0/2461.88.170.0/2461.88.171.0/2461.88.172.0/2461.88.173.0/2461.88.174.0/2461.88.175.0/24