AS4637 194.101.56.0/21 CIDR and IP Range Summary.ASN: 4637 - Telstra GlobalHost Count: 2046Addressable IPs: 2048194.101.56.0/24194.101.57.0/24194.101.58.0/24194.101.59.0/24194.101.60.0/24194.101.61.0/24194.101.62.0/24194.101.63.0/24