AS1281 154.52.64.0/19 CIDR and IP Range Summary.ASN: 1281 - PSINet Inc.Host Count: 8190Addressable IPs: 8192154.52.64.0/24154.52.65.0/24154.52.66.0/24154.52.67.0/24154.52.68.0/24154.52.69.0/24154.52.70.0/24154.52.71.0/24154.52.72.0/24154.52.73.0/24154.52.74.0/24154.52.75.0/24154.52.76.0/24154.52.77.0/24154.52.78.0/24154.52.79.0/24154.52.80.0/24154.52.81.0/24154.52.82.0/24154.52.83.0/24154.52.84.0/24154.52.85.0/24154.52.86.0/24154.52.87.0/24154.52.88.0/24154.52.89.0/24154.52.90.0/24154.52.91.0/24154.52.92.0/24154.52.93.0/24154.52.94.0/24154.52.95.0/24