AS1281 154.53.16.0/20 CIDR and IP Range Summary.ASN: 1281 - PSINet Inc.Host Count: 4094Addressable IPs: 4096154.53.16.0/24154.53.17.0/24154.53.18.0/24154.53.19.0/24154.53.20.0/24154.53.21.0/24154.53.22.0/24154.53.23.0/24154.53.24.0/24154.53.25.0/24154.53.26.0/24154.53.27.0/24154.53.28.0/24154.53.29.0/24154.53.30.0/24154.53.31.0/24