AS148990 154.19.144.0/21 CIDR and IP Range Summary.ASN: 148990 - Chengyi Co. LimitedHost Count: 2046Addressable IPs: 2048154.19.144.0/24154.19.145.0/24154.19.146.0/24154.19.147.0/24154.19.148.0/24154.19.149.0/24154.19.150.0/24154.19.151.0/24