AS1281 154.63.80.0/20 CIDR and IP Range Summary.ASN: 1281 - PSINet Inc.Host Count: 4094Addressable IPs: 4096154.63.80.0/24154.63.81.0/24154.63.82.0/24154.63.83.0/24154.63.84.0/24154.63.85.0/24154.63.86.0/24154.63.87.0/24154.63.88.0/24154.63.89.0/24154.63.90.0/24154.63.91.0/24154.63.92.0/24154.63.93.0/24154.63.94.0/24154.63.95.0/24