AS4755 121.244.160.0/21 CIDR and IP Range Summary.ASN: 4755 - Tata Communications Formerly VSNL is Leading ISPHost Count: 2046Addressable IPs: 2048121.244.160.0/24121.244.161.0/24121.244.162.0/24121.244.163.0/24121.244.164.0/24121.244.165.0/24121.244.166.0/24121.244.167.0/24