What is ASN AS266101?

ASN AS266101 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS266101?

AS266101 is listed under MARTINS.NET SERVI�OS DE TELECOMUNICA��ES LTDA.

What do peers, upstreams, and downstreams mean in ASN data?

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 shown for an ASN?

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

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.

AS266101 MARTINS.NET SERVI�OS DE TELECOMUNICA��ES LTDA

ASN Lookup Tool

MARTINS.NET SERVI�OS DE TELECOMUNICA��ES LTDA

BR 8 Routes

AS Data

AS266101

AS266101 – MARTINS.NET SERVI�OS DE TELECOMUNICA��ES LTDA

AS Number	266101
AS Name	09.437.086/0001-99
Organization	MARTINS.NET SERVI�OS DE TELECOMUNICA��ES LTDA
Country	BR
Number of IPv4 Routes	7
Number of IPv6 Routes	1
ASN type	ISP
Registry	lacnic
Date Allocated	2017-03-22

ASN Intelligence API for production workflows

Use ASN data for AS266101 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
45.5.214.0/23	AS266101	MARTINS.NET SERVI�OS DE TELECOMUNICA��ES LTDA	MARTINS.NET SERVIÇOS DE TELECOMUNICAÇÕES LTDA	512
2804:3aa4::/32	AS266101	MARTINS.NET SERVI�OS DE TELECOMUNICA��ES LTDA	MARTINS.NET SERVIÇOS DE TELECOMUNICAÇÕES LTDA	~79×10²⁷
45.5.212.0/22	AS266101	MARTINS.NET SERVI�OS DE TELECOMUNICA��ES LTDA	MARTINS.NET SERVIÇOS DE TELECOMUNICAÇÕES LTDA	1024
45.5.213.0/24	AS266101	MARTINS.NET SERVI�OS DE TELECOMUNICA��ES LTDA	MARTINS.NET SERVIÇOS DE TELECOMUNICAÇÕES LTDA	256
45.5.212.0/24	AS266101	MARTINS.NET SERVI�OS DE TELECOMUNICA��ES LTDA	MARTINS.NET SERVIÇOS DE TELECOMUNICAÇÕES LTDA	256
45.5.214.0/24	AS266101	MARTINS.NET SERVI�OS DE TELECOMUNICA��ES LTDA	MARTINS.NET SERVIÇOS DE TELECOMUNICAÇÕES LTDA	256
45.5.212.0/23	AS266101	MARTINS.NET SERVI�OS DE TELECOMUNICA��ES LTDA	MARTINS.NET SERVIÇOS DE TELECOMUNICAÇÕES LTDA	512
45.5.215.0/24	AS266101	MARTINS.NET SERVI�OS DE TELECOMUNICA��ES LTDA	MARTINS.NET SERVIÇOS DE TELECOMUNICAÇÕES LTDA	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.
% 2026-04-01T09:33:50-03:00 - 136.227.168.136

aut-num:     AS266101
owner:       MARTINS.NET SERVI�OS DE TELECOMUNICA��ES LTDA
ownerid:     09.437.086/0001-99
responsible: EDMILSON DA COSTA TAVARES
country:     BR
owner-c:     EDCTA3
routing-c:   AWDSA24
abuse-c:     AWDSA24
created:     20170322
changed:     20230803
inetnum:     45.5.212.0/22
inetnum:     2804:3aa4::/32

nic-hdl-br:  EDCTA3
person:      EDMILSON DA COSTA TAVARES
e-mail:      tavares_edmilson@hotmail.com
country:     BR
created:     20081205
changed:     20211208

nic-hdl-br:  AWDSA24
person:      ALAN WERNECK DOS SANTOS
e-mail:      alan.netadvisor@gmail.com
country:     BR
created:     20171121
changed:     20231006

% 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" : "AS266101",
    "country" : "BR",
    "admin_contacts" : [ "EDCTA3" ],
    "tech_contacts" : [ "AWDSA24" ],
    "abuse_contacts" : [ "AWDSA24" ],
    "date_created" : "2017-03-22",
    "date_updated" : "2023-08-03",
    "source" : "lacnic"
  } ],
  "organization" : {
    "handle" : "09.437.086/0001-99",
    "name" : "MARTINS.NET SERVI?OS DE TELECOMUNICA??ES LTDA",
    "country" : [ "BR" ],
    "abuse_contacts" : [ "AWDSA24" ],
    "date_created" : "2017-03-22",
    "date_updated" : "2023-08-03",
    "source" : "lacnic"
  },
  "administrative_contacts" : [ {
    "handle" : "EDCTA3",
    "country" : "BR",
    "email" : [ "tavares_edmilson@hotmail.com" ],
    "date_created" : "2008-12-05",
    "date_updated" : "2021-12-08",
    "source" : "lacnic"
  } ],
  "technical_contacts" : [ {
    "handle" : "AWDSA24",
    "country" : "BR",
    "email" : [ "alan.netadvisor@gmail.com" ],
    "date_created" : "2017-11-21",
    "date_updated" : "2023-10-06",
    "source" : "lacnic"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AWDSA24",
    "country" : "BR",
    "email" : [ "alan.netadvisor@gmail.com" ],
    "date_created" : "2017-11-21",
    "date_updated" : "2023-10-06",
    "source" : "lacnic"
  } ]
}

Peers

AS Number	Description	Country
AS274839	A SANTOS SERVI�OS DE TELECOMUNICA��O EIRELI	BR
AS61832	DB3 SERVICOS DE TELECOMUNICACOES S.A	BR
AS264273	A & G TELECOMUNICAÇÕES LTDA EPP	BR
AS28368	SOBRALNET SERVICOS E TELECOMUNICACOES LTDA ME	BR
AS270706	LAN TELECOM INTERNET BANDA LARGA LTDA	BR
AS28368	SOBRALNET SERVICOS E TELECOMUNICACOES LTDA - ME	BR

Upstreams

AS Number	Description	Country
AS274839	A SANTOS SERVI�OS DE TELECOMUNICA��O EIRELI	BR
AS61832	DB3 SERVICOS DE TELECOMUNICACOES S.A	BR
AS28368	SOBRALNET SERVICOS E TELECOMUNICACOES LTDA ME	BR
AS270706	LAN TELECOM INTERNET BANDA LARGA LTDA	BR

Downstreams

AS Number	Description	Country
AS274839	A SANTOS SERVI�OS DE TELECOMUNICA��O EIRELI	BR