AS6453 66.198.128.0/21 CIDR and IP Range Summary.ASN: 6453 - Tata Communications (America) IncHost Count: 2046Addressable IPs: 204866.198.128.0/2466.198.129.0/2466.198.130.0/2466.198.131.0/2466.198.132.0/2466.198.133.0/2466.198.134.0/2466.198.135.0/24