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

Route	Origin	Origin Name	ISP	# IPs
177.84.110.0/23	AS52721	TOLEDO FIBRA TELECOMUNICA�AO LTDA	TOLEDO FIBRA TELECOMUNICAÇAO LTDA	512
138.185.111.0/24	AS52721	TOLEDO FIBRA TELECOMUNICAÇAO LTDA	TOLEDO FIBRA TELECOMUNICAÇAO LTDA	256
138.185.108.0/24	AS52721	TOLEDO FIBRA TELECOMUNICAÇAO LTDA	TOLEDO FIBRA TELECOMUNICAÇAO LTDA	256
177.84.111.0/24	AS52721	TOLEDO FIBRA TELECOMUNICA�AO LTDA	TOLEDO FIBRA TELECOMUNICAÇAO LTDA	256
177.84.108.0/24	AS52721	TOLEDO FIBRA TELECOMUNICA�AO LTDA	TOLEDO FIBRA TELECOMUNICAÇAO LTDA	256
138.185.110.0/24	AS52721	TOLEDO FIBRA TELECOMUNICAÇAO LTDA	TOLEDO FIBRA TELECOMUNICAÇAO LTDA	256
170.246.96.0/24	AS52721	TOLEDO FIBRA TELECOMUNICAÇAO LTDA	TOLEDO FIBRA TELECOMUNICAÇAO LTDA	256
170.246.99.0/24	AS52721	TOLEDO FIBRA TELECOMUNICAÇAO LTDA	TOLEDO FIBRA TELECOMUNICAÇAO LTDA	256
2804:2664::/34	AS52721	TOLEDO FIBRA TELECOMUNICAÇAO LTDA	TOLEDO FIBRA TELECOMUNICAÇAO LTDA	~20×10²⁷
177.84.108.0/22	AS52721	TOLEDO FIBRA TELECOMUNICA�AO LTDA	TOLEDO FIBRA TELECOMUNICAÇAO 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.
% 2026-04-13T09:23:38-03:00 - 136.227.162.40

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
AS58057	Securebit AG	CH
AS262589	SAMM TECNOLOGIA E TELECOMUNICACOES S.A	BR
AS60602	Inovare-Prim SRL	MD
AS14537	Continent 8 LLC	US
AS198150	SIACOM JSC	GE
AS31500	Global Network Management Inc	AG
AS269416	SEMEAR TELECOM EIRELI	BR
AS199524	G-Core Labs S.A.	LU
AS263283	JGNET - J G DE OLIVEIRA MATOS & CIA LTDA	BR
AS213576	Robert Weir	IE

Upstreams

AS Number	Description	Country
AS50869	IPng Networks GmbH	CH
AS7195	EDGEUNO S.A.S	CO
AS58057	Securebit AG	CH
AS39351	31173 Services AB	SE
AS6939	Hurricane Electric LLC	US
AS25091	IP Max SA	CH
AS8298	IPng Networks GmbH	CH
AS7713	Telekomunikasi Indonesia PT	ID
AS22356	Durand do Brasil Ltda	BR
AS33891	Core Backbone GmbH	DE

Downstreams

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