AS1281 154.60.216.0/21 CIDR and IP Range Summary.ASN: 1281 - PSINet Inc.Host Count: 2046Addressable IPs: 2048154.60.216.0/24154.60.217.0/24154.60.218.0/24154.60.219.0/24154.60.220.0/24154.60.221.0/24154.60.222.0/24154.60.223.0/24