AS1281 154.54.192.0/20 CIDR and IP Range Summary.ASN: 1281 - PSINet Inc.Host Count: 4094Addressable IPs: 4096154.54.192.0/24154.54.193.0/24154.54.194.0/24154.54.195.0/24154.54.196.0/24154.54.197.0/24154.54.198.0/24154.54.199.0/24154.54.200.0/24154.54.201.0/24154.54.202.0/24154.54.203.0/24154.54.204.0/24154.54.205.0/24154.54.206.0/24154.54.207.0/24