AS6453 180.87.144.0/21 CIDR and IP Range Summary.ASN: 6453 - Tata Communications (America) IncHost Count: 2046Addressable IPs: 2048180.87.144.0/24180.87.145.0/24180.87.146.0/24180.87.147.0/24180.87.148.0/24180.87.149.0/24180.87.150.0/24180.87.151.0/24