AS6453 66.198.80.0/21 CIDR and IP Range Summary.ASN: 6453 - Tata Communications (America) IncHost Count: 2046Addressable IPs: 204866.198.80.0/2466.198.81.0/2466.198.82.0/2466.198.83.0/2466.198.84.0/2466.198.85.0/2466.198.86.0/2466.198.87.0/24