AS47331 81.213.136.0/21 CIDR and IP Range Summary.ASN: 47331 - TTNET A.S.Host Count: 2046Addressable IPs: 204881.213.136.0/2481.213.137.0/2481.213.138.0/2481.213.139.0/2481.213.140.0/2481.213.141.0/2481.213.142.0/2481.213.143.0/24