AS7474 59.154.88.0/21 CIDR and IP Range Summary.ASN: 7474 - SingTel Optus Pty LtdHost Count: 2046Addressable IPs: 204859.154.88.0/2459.154.89.0/2459.154.90.0/2459.154.91.0/2459.154.92.0/2459.154.93.0/2459.154.94.0/2459.154.95.0/24