AS1281 154.61.240.0/20 CIDR and IP Range Summary.ASN: 1281 - PSINet Inc.Host Count: 4094Addressable IPs: 4096154.61.240.0/24154.61.241.0/24154.61.242.0/24154.61.243.0/24154.61.244.0/24154.61.245.0/24154.61.246.0/24154.61.247.0/24154.61.248.0/24154.61.249.0/24154.61.250.0/24154.61.251.0/24154.61.252.0/24154.61.253.0/24154.61.254.0/24154.61.255.0/24