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AS263443 L R DA FONSECA ME | IPGeolocation.io

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

L R DA FONSECA ME

BR 6 Routes

AS Data

AS263443

AS263443 – L R DA FONSECA ME

AS Number	263443
AS Name
Organization	L R DA FONSECA ME
Country	BR
Number of IPv4 Routes	4
Number of IPv6 Routes	2
ASN type	BUSINESS
Registry	lacnic
Date Allocated	2013-12-05

ASN Intelligence API for production workflows

Use ASN data for AS263443 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
177.91.132.0/22	AS263443	L R DA FONSECA ME	L R DA FONSECA ME	1024
177.91.135.0/24	AS263443	L R DA FONSECA ME	L R DA FONSECA ME	256
177.91.132.0/23	AS263443	L R DA FONSECA ME	L R DA FONSECA ME	512
2804:11d8:8000::/48	AS263443	L R DA FONSECA ME	L R DA FONSECA ME	~1×10²⁴
2804:11d8::/32	AS263443	L R DA FONSECA ME	L R DA FONSECA ME	~79×10²⁷
177.91.134.0/23	AS263443	L R DA FONSECA ME	L R DA FONSECA ME	512

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.
% 2026-06-10T09:28:49-03:00 - 213.159.10.2

aut-num:     AS263443
owner:       L R DA FONSECA ME
responsible: L R DA FONSECA ME
owner-c:     LORFO3
routing-c:   LORFO3
abuse-c:     YOSLT2
created:     20131205
changed:     20220725
inetnum:     177.91.132.0/22
inetnum:     2804:11d8::/32

nic-hdl-br:  LORFO3
person:      Lourival rodrigues da fonseca
created:     20111010
changed:     20180927

nic-hdl-br:  YOSLT2
person:      YOU SOLU��ES LTDA
created:     20210727
changed:     20220922

% 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

Peers

AS Number	Description	Country
AS6939	Hurricane Electric LLC	US
AS266142	Bahiadados Telecom Ltda.	BR
AS14537	Continent 8 LLC	US
AS267256	ONETIS TECNOLOGIA LTDA	BR
AS269416	SEMEAR TELECOM EIRELI	BR
AS263283	JGNET - J G DE OLIVEIRA MATOS & CIA LTDA	BR
AS199524	G-Core Labs S.A.	LU
AS271253	LINK BRASIL TELECOMUNICACOES LTDA	BR
AS9498	Bharti Airtel Ltd	IN
AS270052	STARTELECOM S.A.	PY

Upstreams

AS Number	Description	Country
AS39120	Convergenze S.p.A.	IT
AS35280	F5 Networks SARL	FR
AS28220	Alares Cabo Servicos de Telecomunicacoes S.A.	BR
AS6939	Hurricane Electric LLC	US
AS265080	AD TELECOM	BR
AS6057	Administracion Nacional de Telecomunicaciones	UY

Downstreams

AS Number	Description	Country
AS271491	VYK TECH EIRELI	BR
AS271433	MAIA E DUTRA LTDA	BR
AS269162	RCS NET PROVEDOR DE INTERNET	BR

Frequently Asked Questions

What is ASN AS263443?

ASN AS263443 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS263443?

AS263443 is listed under L R DA FONSECA ME.

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.