AS19893 204.212.176.0/21 CIDR and IP Range Summary.ASN: 19893 - NTT Global Data Centers Americas Inc.Host Count: 2046Addressable IPs: 2048204.212.176.0/24204.212.177.0/24204.212.178.0/24204.212.179.0/24204.212.180.0/24204.212.181.0/24204.212.182.0/24204.212.183.0/24