AS1281 154.50.8.0/21 CIDR and IP Range Summary.ASN: 1281 - PSINet Inc.Host Count: 2046Addressable IPs: 2048154.50.8.0/24154.50.9.0/24154.50.10.0/24154.50.11.0/24154.50.12.0/24154.50.13.0/24154.50.14.0/24154.50.15.0/24