AS1281 154.60.144.0/20 CIDR and IP Range Summary.ASN: 1281 - PSINet Inc.Host Count: 4094Addressable IPs: 4096154.60.144.0/24154.60.145.0/24154.60.146.0/24154.60.147.0/24154.60.148.0/24154.60.149.0/24154.60.150.0/24154.60.151.0/24154.60.152.0/24154.60.153.0/24154.60.154.0/24154.60.155.0/24154.60.156.0/24154.60.157.0/24154.60.158.0/24154.60.159.0/24