AS1281 154.18.88.0/21 CIDR and IP Range Summary.ASN: 1281 - PSINet Inc.Host Count: 2046Addressable IPs: 2048154.18.88.0/24154.18.89.0/24154.18.90.0/24154.18.91.0/24154.18.92.0/24154.18.93.0/24154.18.94.0/24154.18.95.0/24