AS19339 204.56.80.0/21 CIDR and IP Range Summary.ASN: 19339 - Dimension Data North America Inc.Host Count: 2046Addressable IPs: 2048204.56.80.0/24204.56.81.0/24204.56.82.0/24204.56.83.0/24204.56.84.0/24204.56.85.0/24204.56.86.0/24204.56.87.0/24