AS1281 154.45.64.0/20 CIDR and IP Range Summary.ASN: 1281 - PSINet Inc.Host Count: 4094Addressable IPs: 4096154.45.64.0/24154.45.65.0/24154.45.66.0/24154.45.67.0/24154.45.68.0/24154.45.69.0/24154.45.70.0/24154.45.71.0/24154.45.72.0/24154.45.73.0/24154.45.74.0/24154.45.75.0/24154.45.76.0/24154.45.77.0/24154.45.78.0/24154.45.79.0/24