AS45090 121.51.8.0/21 CIDR and IP Range Summary.ASN: 45090 - Shenzhen Tencent Computer Systems Company LimitedHost Count: 2046Addressable IPs: 2048121.51.8.0/24121.51.9.0/24121.51.10.0/24121.51.11.0/24121.51.12.0/24121.51.13.0/24121.51.14.0/24121.51.15.0/24