AS139646 154.91.240.0/21 CIDR and IP Range Summary.ASN: 139646 - Hong Kong Megalayer Technology Co. LimitedHost Count: 2046Addressable IPs: 2048154.91.240.0/24154.91.241.0/24154.91.242.0/24154.91.243.0/24154.91.244.0/24154.91.245.0/24154.91.246.0/24154.91.247.0/24