AS28189 189.90.8.0/21 CIDR and IP Range Summary.ASN: 28189 - JR & JS Engenharia E Comercio LtdaHost Count: 2046Addressable IPs: 2048189.90.8.0/24189.90.9.0/24189.90.10.0/24189.90.11.0/24189.90.12.0/24189.90.13.0/24189.90.14.0/24189.90.15.0/24