AS28159 200.20.48.0/21 CIDR and IP Range Summary.ASN: 28159 - PRODERJ-Centro de Tecnologia da InformaAAo do RJHost Count: 2046Addressable IPs: 2048200.20.48.0/24200.20.49.0/24200.20.50.0/24200.20.51.0/24200.20.52.0/24200.20.53.0/24200.20.54.0/24200.20.55.0/24