ASN Lookup Tool

MD Brasil Tecnologia da Informação Ltda mdbrasil.com.br BR BR 5 Routes

AS Data

AS28657

AS28657 – MD Brasil Tecnologia da Informação Ltda

AS Number 28657
AS Name 00.459.272/0001-54
Organization MD Brasil Tecnologia da Informação Ltda
Country BR
Website mdbrasil.com.br
Number of IPv4 Routes 3
Number of IPv6 Routes 2
ASN type ISP
Registry lacnic
Date Allocated 2006-07-13

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Use ASN data for AS28657 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
2804:40:4000::/34 ~20×10²⁷
2804:40:c000::/34 ~20×10²⁷
138.99.97.0/24 256
138.99.96.0/22 1024
138.99.98.0/24 256

Raw Whois Response

% Copyright (c) Nic.br - Use of this data is governed by the Use and
% Privacy Policy at https://registro.br/upp . Distribution,
% commercialization, reproduction, and use for advertising or similar
% purposes are expressly prohibited.
% 2026-04-10T09:25:31-03:00 - 136.227.180.239

aut-num:     AS28657
owner:       MD Brasil - Tecnologia da Informa��o Ltda
ownerid:     00.459.272/0001-54
responsible: Wardner Maia
country:     BR
owner-c:     MBL4
routing-c:   MBL4
abuse-c:     MBL4
created:     20060713
changed:     20130306
inetnum:     2804:40::/32
inetnum:     138.99.96.0/22

nic-hdl-br:  MBL4
person:      MD Brasil Tecnologia Informa��o SC LTDA
e-mail:      mdbrasil@mdbrasil.com.br
country:     BR
created:     19980204
changed:     20250222

% Security and mail abuse issues should also be addressed to cert.br,
% respectivelly to cert@cert.br and mail-abuse@cert.br
%
% whois.registro.br only accepts exact match queries for domains,
% registrants, contacts, tickets, providers, IPs, and ASNs.

Parsed Whois Response

Peers

AS Number Description Country
AS269016 F T L Net Provedor de Internet Ltda ME BR
AS28370 GUIFAMI Informática Ltda. BR
AS269016 F T L Net Provedor de Internet Ltda- ME BR

Upstreams

AS Number Description Country
AS269016 F T L Net Provedor de Internet Ltda ME BR
AS28370 GUIFAMI Informática Ltda. BR

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Frequently Asked Questions

ASN AS28657 is an Autonomous System Number used to identify a network for BGP internet routing.
AS28657 is listed under MD Brasil Tecnologia da Informação Ltda.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.