AS1281 154.42.64.0/21 CIDR and IP Range Summary.ASN: 1281 - PSINet Inc.Host Count: 2046Addressable IPs: 2048154.42.64.0/24154.42.65.0/24154.42.66.0/24154.42.67.0/24154.42.68.0/24154.42.69.0/24154.42.70.0/24154.42.71.0/24