AS4637 138.104.240.0/20 CIDR and IP Range Summary.ASN: 4637 - Telstra GlobalHost Count: 4094Addressable IPs: 4096138.104.240.0/24138.104.241.0/24138.104.242.0/24138.104.243.0/24138.104.244.0/24138.104.245.0/24138.104.246.0/24138.104.247.0/24138.104.248.0/24138.104.249.0/24138.104.250.0/24138.104.251.0/24138.104.252.0/24138.104.253.0/24138.104.254.0/24138.104.255.0/24