AS1281 154.63.192.0/18 CIDR and IP Range Summary.ASN: 1281 - PSINet Inc.Host Count: 16382Addressable IPs: 16384154.63.192.0/24154.63.193.0/24154.63.194.0/24154.63.195.0/24154.63.196.0/24154.63.197.0/24154.63.198.0/24154.63.199.0/24154.63.200.0/24154.63.201.0/24154.63.202.0/24154.63.203.0/24154.63.204.0/24154.63.205.0/24154.63.206.0/24154.63.207.0/24154.63.208.0/24154.63.209.0/24154.63.210.0/24154.63.211.0/24154.63.212.0/24154.63.213.0/24154.63.214.0/24154.63.215.0/24154.63.216.0/24154.63.217.0/24154.63.218.0/24154.63.219.0/24154.63.220.0/24154.63.221.0/24154.63.222.0/24154.63.223.0/24154.63.224.0/24154.63.225.0/24154.63.226.0/24154.63.227.0/24154.63.228.0/24154.63.229.0/24154.63.230.0/24154.63.231.0/24154.63.232.0/24154.63.233.0/24154.63.234.0/24154.63.235.0/24154.63.236.0/24154.63.237.0/24154.63.238.0/24154.63.239.0/24154.63.240.0/24154.63.241.0/24154.63.242.0/24154.63.243.0/24154.63.244.0/24154.63.245.0/24154.63.246.0/24154.63.247.0/24154.63.248.0/24154.63.249.0/24154.63.250.0/24154.63.251.0/24154.63.252.0/24154.63.253.0/24154.63.254.0/24154.63.255.0/24