ASN AS52721 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS52721?

AS52721 is listed under TOLEDO FIBRA TELECOMUNICAÇAO 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.

AS52721 TOLEDO FIBRA TELECOMUNICAÇAO LTDA

ASN Lookup Tool

TOLEDO FIBRA TELECOMUNICAÇAO LTDA toledofibra.com.br

BR 26 Routes

AS Data

AS52721

AS52721 – TOLEDO FIBRA TELECOMUNICAÇAO LTDA

AS Number	52721
AS Name	09.537.386/0001-40
Organization	TOLEDO FIBRA TELECOMUNICAÇAO LTDA
Country	BR
Website	toledofibra.com.br
Number of IPv4 Routes	21
Number of IPv6 Routes	5
ASN type	ISP
Registry	lacnic
Date Allocated	2013-01-16

ASN Intelligence API for production workflows

Use ASN data for AS52721 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

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.
% 2026-09-16T09:17:16-03:00 - 94.131.64.113

aut-num:     AS52721
owner:       TOLEDO FIBRA TELECOMUNICA�AO LTDA
ownerid:     09.537.386/0001-40
responsible: ALEXANDRO ANDRADE TOLEDO
country:     BR
owner-c:     TOILT16
routing-c:   TOILT16
abuse-c:     TOILT16
created:     20130116
changed:     20160616
inetnum:     177.84.108.0/22
inetnum:     138.185.108.0/22
inetnum:     2804:2664::/32
inetnum:     170.246.96.0/22

nic-hdl-br:  TOILT16
person:      TOLEDO INFO LTDA
e-mail:      alexandro@toledofibra.com.br
country:     BR
created:     20110512
changed:     20240911

% 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" : "AS52721",
    "country" : "BR",
    "admin_contacts" : [ "TOILT16" ],
    "tech_contacts" : [ "TOILT16" ],
    "abuse_contacts" : [ "TOILT16" ],
    "date_created" : "2013-01-16",
    "date_updated" : "2016-06-16",
    "source" : "lacnic"
  } ],
  "organization" : {
    "handle" : "09.537.386/0001-40",
    "name" : "TOLEDO FIBRA TELECOMUNICA?AO LTDA",
    "country" : [ "BR" ],
    "abuse_contacts" : [ "TOILT16" ],
    "date_created" : "2013-01-16",
    "date_updated" : "2016-06-16",
    "source" : "lacnic"
  },
  "administrative_contacts" : [ {
    "handle" : "TOILT16",
    "country" : "BR",
    "email" : [ "alexandro@toledofibra.com.br" ],
    "date_created" : "2011-05-12",
    "date_updated" : "2024-09-11",
    "source" : "lacnic"
  } ],
  "technical_contacts" : [ {
    "handle" : "TOILT16",
    "country" : "BR",
    "email" : [ "alexandro@toledofibra.com.br" ],
    "date_created" : "2011-05-12",
    "date_updated" : "2024-09-11",
    "source" : "lacnic"
  } ],
  "abuse_contacts" : [ {
    "handle" : "TOILT16",
    "country" : "BR",
    "email" : [ "alexandro@toledofibra.com.br" ],
    "date_created" : "2011-05-12",
    "date_updated" : "2024-09-11",
    "source" : "lacnic"
  } ]
}

Peers

AS Number	Description	Country
AS24482	SG.GS	SG
AS263152	MIGO TELECOM	BR
AS7195	EDGEUNO S.A.S	CO
AS6939	Hurricane Electric LLC	US
AS266613	COMMTEL TRANSMISSAO DE DADOS E INTERNET LTDA	BR
AS22356	Durand do Brasil Ltda	BR
AS275615	R de Abreu Machado	BR
AS264088	TOLEDO FIBRA TELECOMUNICAÇAO LTDA	BR
AS52873	Softdados Telecomunicações	BR
AS33891	Core Backbone GmbH	DE
AS36236	NetActuate, Inc	US
AS22548	Núcleo de Inf. e Coord. do Ponto BR NIC.BR	BR
AS61719	SP TELECOMUNICAÇÕES EIRELI	BR
AS51185	MainStreaming SpA	IT
AS60503	FNX Tecnologia LTDA	BR
AS14840	BR.Digital Telecom	BR
AS61573	IP TELECOM	BR
AS263237	PowerHost Telecom SPA	CL
AS6057	Administracion Nacional de Telecomunicaciones	UY
AS28624	PROVEDORA CMA INTERNET LTDA	BR
AS199524	G Core Labs S.A.	LU
AS268737	CONECT TELECOM COMUNICAÇÃO LTDA	BR
AS1031	PEER 1031 LLC	US
AS35280	F5 Networks SARL	FR
AS999	CORIX NETWORKS	US
AS264479	Turbozone Internet	BR
AS266517	M.B. SERVIÇOS EM TELECOMUNICAÇÕES LTDA	BR
AS49544	i3D.net B.V	NL

Upstreams

AS Number	Description	Country
AS7195	EDGEUNO S.A.S	CO
AS1031	PEER 1031 LLC	US
AS6939	Hurricane Electric LLC	US
AS6057	Administracion Nacional de Telecomunicaciones	UY
AS22356	Durand do Brasil Ltda	BR
AS33891	Core Backbone GmbH	DE

Downstreams

AS Number	Description	Country
AS268737	CONECT TELECOM COMUNICAÇÃO LTDA	BR
AS266613	COMMTEL TRANSMISSAO DE DADOS E INTERNET LTDA	BR
AS61719	SP TELECOMUNICAÇÕES EIRELI	BR
AS275615	R de Abreu Machado	BR
AS264088	TOLEDO FIBRA TELECOMUNICAÇAO LTDA	BR
AS266517	M.B. SERVIÇOS EM TELECOMUNICAÇÕES LTDA	BR