AS1281 154.61.192.0/21 CIDR and IP Range Summary.ASN: 1281 - PSINet Inc.Host Count: 2046Addressable IPs: 2048154.61.192.0/24154.61.193.0/24154.61.194.0/24154.61.195.0/24154.61.196.0/24154.61.197.0/24154.61.198.0/24154.61.199.0/24