AS39537 87.237.64.0/21 CIDR and IP Range Summary.ASN: 39537 - SysGroup PLCHost Count: 2046Addressable IPs: 204887.237.64.0/2487.237.65.0/2487.237.66.0/2487.237.67.0/2487.237.68.0/2487.237.69.0/2487.237.70.0/2487.237.71.0/24