AS12737 5.189.192.0/21 CIDR and IP Range Summary.ASN: 12737 - Kraspromstroy LLCHost Count: 2046Addressable IPs: 20485.189.192.0/245.189.193.0/245.189.194.0/245.189.195.0/245.189.196.0/245.189.197.0/245.189.198.0/245.189.199.0/24