AS7474 61.88.208.0/21 CIDR and IP Range Summary.ASN: 7474 - SingTel Optus Pty LtdHost Count: 2046Addressable IPs: 204861.88.208.0/2461.88.209.0/2461.88.210.0/2461.88.211.0/2461.88.212.0/2461.88.213.0/2461.88.214.0/2461.88.215.0/24