AS8399 157.143.240.0/21 CIDR and IP Range Summary.ASN: 8399 - Sewan SASHost Count: 2046Addressable IPs: 2048157.143.240.0/24157.143.241.0/24157.143.242.0/24157.143.243.0/24157.143.244.0/24157.143.245.0/24157.143.246.0/24157.143.247.0/24