AS1281 154.30.48.0/21 CIDR and IP Range Summary.ASN: 1281 - PSINet Inc.Host Count: 2046Addressable IPs: 2048154.30.48.0/24154.30.49.0/24154.30.50.0/24154.30.51.0/24154.30.52.0/24154.30.53.0/24154.30.54.0/24154.30.55.0/24