AS1281 154.53.240.0/20 CIDR and IP Range Summary.ASN: 1281 - PSINet Inc.Host Count: 4094Addressable IPs: 4096154.53.240.0/24154.53.241.0/24154.53.242.0/24154.53.243.0/24154.53.244.0/24154.53.245.0/24154.53.246.0/24154.53.247.0/24154.53.248.0/24154.53.249.0/24154.53.250.0/24154.53.251.0/24154.53.252.0/24154.53.253.0/24154.53.254.0/24154.53.255.0/24