AS4643 202.139.112.0/20 CIDR and IP Range Summary.ASN: 4643 - Optus Customer NetworkHost Count: 4094Addressable IPs: 4096202.139.112.0/24202.139.113.0/24202.139.114.0/24202.139.115.0/24202.139.116.0/24202.139.117.0/24202.139.118.0/24202.139.119.0/24202.139.120.0/24202.139.121.0/24202.139.122.0/24202.139.123.0/24202.139.124.0/24202.139.125.0/24202.139.126.0/24202.139.127.0/24