AS2647 57.100.104.0/21 CIDR and IP Range Summary.ASN: 2647 - Orange Business Communications Technology LimitedHost Count: 2046Addressable IPs: 204857.100.104.0/2457.100.105.0/2457.100.106.0/2457.100.107.0/2457.100.108.0/2457.100.109.0/2457.100.110.0/2457.100.111.0/24