AS1281 154.46.144.0/20 CIDR and IP Range Summary.ASN: 1281 - PSINet Inc.Host Count: 4094Addressable IPs: 4096154.46.144.0/24154.46.145.0/24154.46.146.0/24154.46.147.0/24154.46.148.0/24154.46.149.0/24154.46.150.0/24154.46.151.0/24154.46.152.0/24154.46.153.0/24154.46.154.0/24154.46.155.0/24154.46.156.0/24154.46.157.0/24154.46.158.0/24154.46.159.0/24