AS12737 5.189.240.0/21 CIDR and IP Range Summary.ASN: 12737 - Kraspromstroy LLCHost Count: 2046Addressable IPs: 20485.189.240.0/245.189.241.0/245.189.242.0/245.189.243.0/245.189.244.0/245.189.245.0/245.189.246.0/245.189.247.0/24