AS28159 200.20.28.0/22 CIDR and IP Range Summary.ASN: 28159 - PRODERJ-Centro de Tecnologia da InformaAAo do RJHost Count: 1022Addressable IPs: 1024200.20.28.0/24200.20.29.0/24200.20.30.0/24200.20.31.0/24