How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS267399 TOP 37 ESTACOES E REDES DE TELECOMUNICACOES LTDA

Q: Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

ASN Lookup Tool

TOP 37 ESTACOES E REDES DE TELECOMUNICACOES LTDA top37.com.br

BR 3 Routes

AS Data

AS267399

AS267399 – TOP 37 ESTACOES E REDES DE TELECOMUNICACOES LTDA

AS Number	267399
AS Name	26.198.692/0001-18
Organization	TOP 37 ESTACOES E REDES DE TELECOMUNICACOES LTDA
Country	BR
Website	top37.com.br
Number of IPv4 Routes	2
Number of IPv6 Routes	1
ASN type	ISP
Registry	lacnic
Date Allocated	2018-04-13

ASN Intelligence API for production workflows

Use ASN data for AS267399 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

Get ASN API Key ASN API Docs

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
45.235.32.0/22	AS267399	TOP 37 ESTACOES E REDES DE TELECOMUNICACOES LTDA	TOP 37 ESTACOES E REDES DE TELECOMUNICACOES LTDA	1024
2804:4ce4::/32	AS267399	TOP 37 ESTACOES E REDES DE TELECOMUNICACOES LTDA	TOP 37 ESTACOES E REDES DE TELECOMUNICACOES LTDA	~79×10²⁷
138.94.204.0/22	AS267399	TOP 37 ESTACOES E REDES DE TELECOMUNICACOES LTDA	TOP 37 ESTACOES E REDES DE TELECOMUNICACOES LTDA	1024

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.
% 2026-04-10T09:24:38-03:00 - 45.130.120.78

aut-num:     AS267399
owner:       TOP 37 ESTACOES E REDES DE TELECOMUNICACOES LTDA
ownerid:     26.198.692/0001-18
responsible: AMARILDO MARTINS DE MAGALHAES
country:     BR
owner-c:     AMMMA3
routing-c:   DAFTE50
abuse-c:     AMMMA3
created:     20180413
changed:     20260122
inetnum:     45.235.32.0/22
inetnum:     2804:4ce4::/32
inetnum:     138.94.204.0/22

nic-hdl-br:  AMMMA3
person:      Amarildo Martins de Magalh�es
e-mail:      amarildo@gmail.com
country:     BR
created:     20080714
changed:     20230417

nic-hdl-br:  DAFTE50
person:      Danton Francisco Teixeira
e-mail:      danton.teixeira@top37.com.br
country:     BR
created:     20260121
changed:     20260121

% 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

{
  "status" : true,
  "whois_server" : "whois.lacnic.net",
  "aut_nums" : [ {
    "aut_num" : "AS267399",
    "country" : "BR",
    "admin_contacts" : [ "AMMMA3" ],
    "tech_contacts" : [ "DAFTE50" ],
    "abuse_contacts" : [ "AMMMA3" ],
    "date_created" : "2018-04-13",
    "date_updated" : "2026-01-22",
    "source" : "lacnic"
  } ],
  "organization" : {
    "handle" : "26.198.692/0001-18",
    "name" : "TOP 37 ESTACOES E REDES DE TELECOMUNICACOES LTDA",
    "country" : [ "BR" ],
    "abuse_contacts" : [ "AMMMA3" ],
    "date_created" : "2018-04-13",
    "date_updated" : "2026-01-22",
    "source" : "lacnic"
  },
  "administrative_contacts" : [ {
    "handle" : "AMMMA3",
    "country" : "BR",
    "email" : [ "amarildo@gmail.com" ],
    "date_created" : "2008-07-14",
    "date_updated" : "2023-04-17",
    "source" : "lacnic"
  } ],
  "technical_contacts" : [ {
    "handle" : "DAFTE50",
    "country" : "BR",
    "email" : [ "danton.teixeira@top37.com.br" ],
    "date_created" : "2026-01-21",
    "date_updated" : "2026-01-21",
    "source" : "lacnic"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AMMMA3",
    "country" : "BR",
    "email" : [ "amarildo@gmail.com" ],
    "date_created" : "2008-07-14",
    "date_updated" : "2023-04-17",
    "source" : "lacnic"
  } ]
}

Peers

AS Number	Description	Country
AS52468	UFINET PANAMA S.A.	PA
AS266179	CoIPe Sistemas Ltda	BR
AS53013	UFINET BRASIL S.A.	BR
AS273478	Sage Networks	BR

Upstreams

AS Number	Description	Country
AS52468	UFINET PANAMA S.A.	PA
AS53013	UFINET BRASIL S.A.	BR
AS273478	Sage Networks	BR

Downstreams

AS Number	Description	Country
AS266179	CoIPe Sistemas Ltda	BR

Frequently Asked Questions

What is ASN AS267399?

ASN AS267399 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS267399?

AS267399 is listed under TOP 37 ESTACOES E REDES DE TELECOMUNICACOES LTDA.

What do peers, upstreams, and downstreams mean?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data included here?

WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access full ASN table data?

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.