AS57235 81.31.240.0/21 CIDR and IP Range Summary.ASN: 57235 - Chapar Rasaneh LLCHost Count: 2046Addressable IPs: 204881.31.240.0/2481.31.241.0/2481.31.242.0/2481.31.243.0/2481.31.244.0/2481.31.245.0/2481.31.246.0/2481.31.247.0/24