AS1281 154.44.216.0/21 CIDR and IP Range Summary.ASN: 1281 - PSINet Inc.Host Count: 2046Addressable IPs: 2048154.44.216.0/24154.44.217.0/24154.44.218.0/24154.44.219.0/24154.44.220.0/24154.44.221.0/24154.44.222.0/24154.44.223.0/24