AS17378 199.21.64.0/21 CIDR and IP Range Summary.ASN: 17378 - TierPoint LLCHost Count: 2046Addressable IPs: 2048199.21.64.0/24199.21.65.0/24199.21.66.0/24199.21.67.0/24199.21.68.0/24199.21.69.0/24199.21.70.0/24199.21.71.0/24