AS3612 128.221.240.0/20 CIDR and IP Range Summary.ASN: 3612 - Dell Inc.Host Count: 4094Addressable IPs: 4096128.221.240.0/24128.221.241.0/24128.221.242.0/24128.221.243.0/24128.221.244.0/24128.221.245.0/24128.221.246.0/24128.221.247.0/24128.221.248.0/24128.221.249.0/24128.221.250.0/24128.221.251.0/24128.221.252.0/24128.221.253.0/24128.221.254.0/24128.221.255.0/24