ASN AS53243 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS53243?

AS53243 is listed under Brasil Site Informatica 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.

AS53243 Brasil Site Informatica LTDA

ASN Lookup Tool

Brasil Site Informatica LTDA guzzo.com.br

BR 24 Routes

AS Data

AS53243

AS53243 – Brasil Site Informatica LTDA

AS Number	53243
AS Name	05.200.140/0001-27
Organization	Brasil Site Informatica LTDA
Country	BR
Website	guzzo.com.br
Number of IPv4 Routes	20
Number of IPv6 Routes	4
ASN type	BUSINESS
Registry	lacnic
Date Allocated	2010-12-22

ASN Intelligence API for production workflows

Use ASN data for AS53243 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

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
190.89.248.0/22	AS53243	Brasil Site Informatica LTDA	Brasil Site Informatica LTDA	1024
177.53.141.0/24	AS53243	Brasil Site Informatica LTDA	Brasil Site Informatica LTDA	256
177.11.52.0/24	AS53243	Brasil Site Informatica LTDA	Brasil Site Informatica LTDA	256
2804:11a4:8000::/33	AS53243	Brasil Site Informatica LTDA	Brasil Site Informatica LTDA	~40×10²⁷
177.53.143.0/24	AS53243	Brasil Site Informatica LTDA	Brasil Site Informatica LTDA	256
177.11.48.0/24	AS53243	Brasil Site Informatica LTDA	Brasil Site Informatica LTDA	256
177.11.49.0/24	AS53243	Brasil Site Informatica LTDA	Brasil Site Informatica LTDA	256
177.11.54.0/24	AS53243	Brasil Site Informatica LTDA	Brasil Site Informatica LTDA, BR	256
177.11.51.0/24	AS53243	Brasil Site Informatica LTDA	Brasil Site Informatica LTDA	256
177.53.140.0/24	AS53243	Brasil Site Informatica LTDA	Brasil Site Informatica 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.
% 2026-05-15T09:26:02-03:00 - 136.227.189.16

aut-num:     AS53243
owner:       Brasil Site Informatica LTDA
ownerid:     05.200.140/0001-27
responsible: Fernando Rodrigues Guzzo
country:     BR
owner-c:     FEG55
routing-c:   FEG55
abuse-c:     FEG55
created:     20101222
changed:     20130306
inetnum:     177.11.48.0/22
inetnum:     177.11.52.0/22
inetnum:     177.53.140.0/22
inetnum:     2804:11a4::/32
inetnum:     190.89.248.0/22
inetnum:     201.182.40.0/22

nic-hdl-br:  FEG55
person:      Fernando Guzzo
e-mail:      abuso@guzzo.com.br
country:     BR
created:     20000210
changed:     20210111

% 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" : "AS53243",
    "country" : "BR",
    "admin_contacts" : [ "FEG55" ],
    "tech_contacts" : [ "FEG55" ],
    "abuse_contacts" : [ "FEG55" ],
    "date_created" : "2010-12-22",
    "date_updated" : "2013-03-06",
    "source" : "lacnic"
  } ],
  "organization" : {
    "handle" : "05.200.140/0001-27",
    "name" : "Brasil Site Informatica LTDA",
    "country" : [ "BR" ],
    "abuse_contacts" : [ "FEG55" ],
    "date_created" : "2010-12-22",
    "date_updated" : "2013-03-06",
    "source" : "lacnic"
  },
  "administrative_contacts" : [ {
    "handle" : "FEG55",
    "country" : "BR",
    "email" : [ "abuso@guzzo.com.br" ],
    "date_created" : "2000-02-10",
    "date_updated" : "2021-01-11",
    "source" : "lacnic"
  } ],
  "technical_contacts" : [ {
    "handle" : "FEG55",
    "country" : "BR",
    "email" : [ "abuso@guzzo.com.br" ],
    "date_created" : "2000-02-10",
    "date_updated" : "2021-01-11",
    "source" : "lacnic"
  } ],
  "abuse_contacts" : [ {
    "handle" : "FEG55",
    "country" : "BR",
    "email" : [ "abuso@guzzo.com.br" ],
    "date_created" : "2000-02-10",
    "date_updated" : "2021-01-11",
    "source" : "lacnic"
  } ]
}

Peers

AS Number	Description	Country
AS199081	Lancom Ltd.	GR
AS7195	EDGEUNO S.A.S	CO
AS262589	SAMM TECNOLOGIA E TELECOMUNICACOES S.A	BR
AS6939	Hurricane Electric LLC	US
AS60602	Inovare-Prim SRL	MD
AS266142	Bahiadados Telecom Ltda.	BR
AS14537	Continent 8 LLC	US
AS198150	SIACOM JSC	GE
AS267256	ONETIS TECNOLOGIA LTDA	BR
AS269416	SEMEAR TELECOM EIRELI	BR

Upstreams

AS Number	Description	Country
AS52925	Ascenty Data Centers e Telecomunicações S/A	BR
AS39120	Convergenze S.p.A.	IT
AS14840	BR.Digital Telecom	BR
AS22381	SAMM TECNOLOGIA E TELECOMUNICACOES S.A	BR
AS16735	ALGAR TELECOM S/A	BR
AS6939	Hurricane Electric LLC	US
AS52863	UPX TECNOLOGIA LTDA	BR
AS6057	Administracion Nacional de Telecomunicaciones	UY
AS52468	UFINET PANAMA S.A.	PA
AS3356	Level 3 Parent, LLC	US

Downstreams

AS Number	Description	Country
AS275682	VONO TELECOM LTDA	BR