AS4755 121.244.24.0/21 CIDR and IP Range Summary.ASN: 4755 - Tata Communications Formerly VSNL is Leading ISPHost Count: 2046Addressable IPs: 2048121.244.24.0/24121.244.25.0/24121.244.26.0/24121.244.27.0/24121.244.28.0/24121.244.29.0/24121.244.30.0/24121.244.31.0/24