AS19893 204.212.184.0/21 CIDR and IP Range Summary.ASN: 19893 - NTT Global Data Centers Americas Inc.Host Count: 2046Addressable IPs: 2048204.212.184.0/24204.212.185.0/24204.212.186.0/24204.212.187.0/24204.212.188.0/24204.212.189.0/24204.212.190.0/24204.212.191.0/24