AS1281 154.53.8.0/21 CIDR and IP Range Summary.ASN: 1281 - PSINet Inc.Host Count: 2046Addressable IPs: 2048154.53.8.0/24154.53.9.0/24154.53.10.0/24154.53.11.0/24154.53.12.0/24154.53.13.0/24154.53.14.0/24154.53.15.0/24