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AS263991 WFNET INTERNET LTDA | 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

WFNET INTERNET LTDA

BR 6 Routes

AS Data

AS263991

AS263991 – WFNET INTERNET LTDA

AS Number	263991
AS Name
Organization	WFNET INTERNET LTDA
Country	BR
Number of IPv4 Routes	3
Number of IPv6 Routes	3
ASN type	ISP
Registry	lacnic
Date Allocated	2015-09-08

ASN Intelligence API for production workflows

Use ASN data for AS263991 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
143.0.28.0/23	AS263991	WFNET INTERNET LTDA	WFNET INTERNET LTDA	512
2804:28fc::/33	AS263991	WFNET INTERNET LTDA	WFNET INTERNET LTDA	~40×10²⁷
2804:28fc::/32	AS263991	WFNET INTERNET LTDA	WFNET INTERNET LTDA	~79×10²⁷
143.0.28.0/22	AS263991	WFNET INTERNET LTDA	WFNET INTERNET LTDA	1024
170.245.16.0/22	AS263991	WFNET INTERNET LTDA	WFNET INTERNET LTDA	1024
2804:28fc:8000::/33	AS263991	WFNET INTERNET LTDA	WFNET INTERNET LTDA	~40×10²⁷

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.
% 2026-06-10T09:35:44-03:00 - 213.159.12.226

aut-num:     AS263991
owner:       WFNET INTERNET LTDA
responsible: Felipe Vieira Nunes
owner-c:     FEVNU6
routing-c:   FEVNU6
abuse-c:     FEVNU6
created:     20150908
changed:     20160229
inetnum:     143.0.28.0/22
inetnum:     2804:28fc::/32
inetnum:     170.245.16.0/22
as-in:       from AS262620 100 accept ANY
as-in:       from AS10429 100 accept ANY
as-out:      to AS262620 announce AS263991
as-out:      to AS10429 announce AS2263991

nic-hdl-br:  FEVNU6
person:      Felipe Vieira Nunes
created:     20150715
changed:     20220705

% 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
AS24482	SG.GS	SG
AS268624	Gamers Club Ltda	BR
AS263152	MIGO TELECOM	BR
AS262493	IANA - Autonomous System Number	BR
AS6939	Hurricane Electric LLC	US
AS52873	Softdados Telecomunicações	BR
AS16265	LeaseWeb Network B.V.	NL
AS267256	ONETIS TECNOLOGIA LTDA	BR
AS271253	LINK BRASIL TELECOMUNICACOES LTDA	BR
AS36236	NetActuate, Inc	US

Upstreams

AS Number	Description	Country
AS268624	Gamers Club Ltda	BR
AS39120	Convergenze S.p.A.	IT
AS271253	LINK BRASIL TELECOMUNICACOES LTDA	BR
AS28220	Alares Cabo Servicos de Telecomunicacoes S.A.	BR
AS262493	IANA - Autonomous System Number	US
AS24961	WIIT AG	DE
AS6939	Hurricane Electric LLC	US
AS6057	Administracion Nacional de Telecomunicaciones	UY

Downstreams

AS Number	Description	Country
AS265412	SMANET INFORMÁTICA EIRELI ME	BR
AS273473	FLASHNET TELECOMUNICACOES LTDA	BR

Frequently Asked Questions

What is ASN AS263991?

ASN AS263991 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS263991?

AS263991 is listed under WFNET INTERNET LTDA.

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.