AS1281 154.60.120.0/21 CIDR and IP Range Summary.ASN: 1281 - PSINet Inc.Host Count: 2046Addressable IPs: 2048154.60.120.0/24154.60.121.0/24154.60.122.0/24154.60.123.0/24154.60.124.0/24154.60.125.0/24154.60.126.0/24154.60.127.0/24