AS6453 63.243.232.0/21 CIDR and IP Range Summary.ASN: 6453 - Tata Communications (America) IncHost Count: 2046Addressable IPs: 204863.243.232.0/2463.243.233.0/2463.243.234.0/2463.243.235.0/2463.243.236.0/2463.243.237.0/2463.243.238.0/2463.243.239.0/24