AS28291 MINISTERIO DA SAUDE

AS28291 - MINISTERIO DA SAUDE · registered in Brazil

IPv4 addresses4,0965 prefixes · <0.001% of announced IPv4

Rank in Brazil#948largest network in BR by IPv4 space, of 7,969 · <0.01% of BR

Rank worldwide#15,897of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryBrazil8,771 ASNs registered there

Open AS28291 in ASN lookup Look up an IP in this network (189.28.128.1) All networks in Brazil

IPv4 prefixes

All 5 prefixes, in address order.

189.28.128.0/23
189.28.130.0/24
189.28.131.0/24
189.28.132.0/22
189.28.136.0/21

Similar-sized networks in Brazil

ASNNameIPv4 addresses

AS28246#945 AS28246 - REDE SIVNET TELECOMUNICACOES LTDA4,096

AS28251#946 AS28251 - Cizol Com. e Servicos de Equip de Informatica Ltda4,096

AS28275#947 AS28275 - Fundacao Casper Libero4,096

AS28295#949 AS28295 - Diagnosticos da America S.A.4,096

AS28304#950 AS28304 - Banco Safra SA.4,096

AS28324#951 AS28324 - COLOMBO AGROINDUSTRIA S.A4,096

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources