AS28190 — FORTALNET BUREAU DE COMERCIO E SERVICOS LTDA

AS28190 announces 1 IPv4 prefixes covering 2,048 addresses and 0 IPv6 prefixes.

About this network

AS28190 is operated by Fortalnet Bureau de Comercio e Servicos LTDA.

What it's used for

• The address space carries residential or small business access, evidenced by reverse DNS entries like ip-asfortal-19.255.fortalnet.com.br and ip-asfortal-21.254.fortalnet.com.br.
• The AS announces 2048 IPv4 addresses within a single prefix (189.90.16.0/21) and maintains only 2 observed neighbours, a ratio typical of a local access provider rather than a transit hub.

Notable

• The RDAP registrant FORTALNET BUREAU DE COMERCIO E SERVICOS LTDA matches the AS holder name exactly, confirming consistent ownership.
• The inventory consists of a single contiguous IPv4 block with no announced IPv6 prefixes, indicating a legacy IPv4-only deployment.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 189.90.16.0/21

Upstream networks

• AS61832 DB3 SERVICOS DE TELECOMUNICACOES S.A
• AS28368 SOBRALNET SERVICOS E TELECOMUNICACOES LTDA - ME

Adjacent networks

• AS61832 DB3 SERVICOS DE TELECOMUNICACOES S.A
• AS28368 SOBRALNET SERVICOS E TELECOMUNICACOES LTDA - ME