AS4538 121.249.240.0/20 CIDR and IP Range Summary.ASN: 4538 - Asia Pacific Network Information CentreHost Count: 4094Addressable IPs: 4096121.249.240.0/24121.249.241.0/24121.249.242.0/24121.249.243.0/24121.249.244.0/24121.249.245.0/24121.249.246.0/24121.249.247.0/24121.249.248.0/24121.249.249.0/24121.249.250.0/24121.249.251.0/24121.249.252.0/24121.249.253.0/24121.249.254.0/24121.249.255.0/24