AS15657 80.81.240.0/20 CIDR and IP Range Summary.ASN: 15657 - Speedbone Internet & Connectivity GmbHHost Count: 4094Addressable IPs: 409680.81.240.0/2480.81.241.0/2480.81.242.0/2480.81.243.0/2480.81.244.0/2480.81.245.0/2480.81.246.0/2480.81.247.0/2480.81.248.0/2480.81.249.0/2480.81.250.0/2480.81.251.0/2480.81.252.0/2480.81.253.0/2480.81.254.0/2480.81.255.0/24