AS4643 124.19.112.0/20 CIDR and IP Range Summary.ASN: 4643 - Optus Customer NetworkHost Count: 4094Addressable IPs: 4096124.19.112.0/24124.19.113.0/24124.19.114.0/24124.19.115.0/24124.19.116.0/24124.19.117.0/24124.19.118.0/24124.19.119.0/24124.19.120.0/24124.19.121.0/24124.19.122.0/24124.19.123.0/24124.19.124.0/24124.19.125.0/24124.19.126.0/24124.19.127.0/24