AS1281 154.47.144.0/20 CIDR and IP Range Summary.ASN: 1281 - PSINet Inc.Host Count: 4094Addressable IPs: 4096154.47.144.0/24154.47.145.0/24154.47.146.0/24154.47.147.0/24154.47.148.0/24154.47.149.0/24154.47.150.0/24154.47.151.0/24154.47.152.0/24154.47.153.0/24154.47.154.0/24154.47.155.0/24154.47.156.0/24154.47.157.0/24154.47.158.0/24154.47.159.0/24