AS1281 154.60.248.0/21 CIDR and IP Range Summary.ASN: 1281 - PSINet Inc.Host Count: 2046Addressable IPs: 2048154.60.248.0/24154.60.249.0/24154.60.250.0/24154.60.251.0/24154.60.252.0/24154.60.253.0/24154.60.254.0/24154.60.255.0/24