AS1281 154.42.176.0/20 CIDR and IP Range Summary.ASN: 1281 - PSINet Inc.Host Count: 4094Addressable IPs: 4096154.42.176.0/24154.42.177.0/24154.42.178.0/24154.42.179.0/24154.42.180.0/24154.42.181.0/24154.42.182.0/24154.42.183.0/24154.42.184.0/24154.42.185.0/24154.42.186.0/24154.42.187.0/24154.42.188.0/24154.42.189.0/24154.42.190.0/24154.42.191.0/24