AS1281 154.19.96.0/21 CIDR and IP Range Summary.ASN: 1281 - PSINet Inc.Host Count: 2046Addressable IPs: 2048154.19.96.0/24154.19.97.0/24154.19.98.0/24154.19.99.0/24154.19.100.0/24154.19.101.0/24154.19.102.0/24154.19.103.0/24