AS1281 154.63.160.0/19 CIDR and IP Range Summary.ASN: 1281 - PSINet Inc.Host Count: 8190Addressable IPs: 8192154.63.160.0/24154.63.161.0/24154.63.162.0/24154.63.163.0/24154.63.164.0/24154.63.165.0/24154.63.166.0/24154.63.167.0/24154.63.168.0/24154.63.169.0/24154.63.170.0/24154.63.171.0/24154.63.172.0/24154.63.173.0/24154.63.174.0/24154.63.175.0/24154.63.176.0/24154.63.177.0/24154.63.178.0/24154.63.179.0/24154.63.180.0/24154.63.181.0/24154.63.182.0/24154.63.183.0/24154.63.184.0/24154.63.185.0/24154.63.186.0/24154.63.187.0/24154.63.188.0/24154.63.189.0/24154.63.190.0/24154.63.191.0/24