AS28657 — MD Brasil - Tecnologia da Informacao Ltda

AS28657 announces 1 IPv4 prefixes covering 1,024 addresses and 2 IPv6 prefixes.

About this network

AS28657 is operated by MD Brasil - Tecnologia da Informacao Ltda.

What it's used for

• The address space carries corporate infrastructure, evidenced by reverse DNS entries pointing to mdbrasil.com.br (e.g., 138-99-96-128.mdbrasil.com.br).
• The AS announces 1024 IPv4 addresses across 3 prefixes and 2 IPv6 prefixes, with only 2 observed neighbours, indicating a small, self-contained business network rather than a transit provider.

Notable

• All registrants for the announced prefixes match the AS holder, MD Brasil - Tecnologia da Informação Ltda, under the netname 422402.
• The address inventory consists of three contiguous IPv4 blocks within the 138.99.96.0/22 range and two IPv6 /34 prefixes, reflecting a compact internal estate.

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

Announced prefixes

• 138.99.96.0/22
• 2804:40:4000::/34
• 2804:40:c000::/34

Upstream networks

• AS28370 GUIFAMI Informatica Ltda.
• AS269016 F T L Net Provedor de Internet Ltda- ME

Adjacent networks

• AS28370 GUIFAMI Informatica Ltda.
• AS269016 F T L Net Provedor de Internet Ltda- ME