AS18399 61.4.72.0/21 CIDR and IP Range Summary.ASN: 18399 - Yatanarpon Teleport Company LimitedHost Count: 2046Addressable IPs: 204861.4.72.0/2461.4.73.0/2461.4.74.0/2461.4.75.0/2461.4.76.0/2461.4.77.0/2461.4.78.0/2461.4.79.0/24