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AS271771 JARINU NETWORK TELECOMUNICACAO LTDA

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

JARINU NETWORK TELECOMUNICACAO LTDA stijarinu.com.br

BR 1 Routes

AS Data

AS271771

AS271771 – JARINU NETWORK TELECOMUNICACAO LTDA

AS Number	271771
AS Name	37.405.738/0001-49
Organization	JARINU NETWORK TELECOMUNICACAO LTDA
Country	BR
Website	stijarinu.com.br
Number of IPv4 Routes	0
Number of IPv6 Routes	1
ASN type	ISP
Registry	lacnic
Date Allocated	2021-05-31

ASN Intelligence API for production workflows

Use ASN data for AS271771 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2804:80c0::/33	AS271771	JARINU NETWORK TELECOMUNICACAO LTDA	JARINU NETWORK TELECOMUNICACAO 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.
% 2026-09-30T09:25:43-03:00 - 191.102.170.33

aut-num:     AS271771
owner:       JARINU NETWORK TELECOMUNICACAO LTDA
ownerid:     37.405.738/0001-49
responsible: MARCOS CACIO BRUSTOLIN
country:     BR
owner-c:     MACBR184
routing-c:   MABOR509
abuse-c:     MACBR184
created:     20210531
changed:     20260718
inetnum:     2804:80c0::/32

nic-hdl-br:  MACBR184
person:      MARCOS CACIO BRUSTOLIN
e-mail:      marcos@stijarinu.com.br
country:     BR
created:     20140915
changed:     20250904

nic-hdl-br:  MABOR509
person:      Manuel Bornemann
e-mail:      protoxol@gmail.com
country:     BR
created:     20160526
changed:     20210404

% 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" : "AS271771",
    "country" : "BR",
    "admin_contacts" : [ "MACBR184" ],
    "tech_contacts" : [ "MABOR509" ],
    "abuse_contacts" : [ "MACBR184" ],
    "date_created" : "2021-05-31",
    "date_updated" : "2026-07-18",
    "source" : "lacnic"
  } ],
  "organization" : {
    "handle" : "37.405.738/0001-49",
    "name" : "JARINU NETWORK TELECOMUNICACAO LTDA",
    "country" : [ "BR" ],
    "abuse_contacts" : [ "MACBR184" ],
    "date_created" : "2021-05-31",
    "date_updated" : "2026-07-18",
    "source" : "lacnic"
  },
  "administrative_contacts" : [ {
    "handle" : "MACBR184",
    "country" : "BR",
    "email" : [ "marcos@stijarinu.com.br" ],
    "date_created" : "2014-09-15",
    "date_updated" : "2025-09-04",
    "source" : "lacnic"
  } ],
  "technical_contacts" : [ {
    "handle" : "MABOR509",
    "country" : "BR",
    "email" : [ "protoxol@gmail.com" ],
    "date_created" : "2016-05-26",
    "date_updated" : "2021-04-04",
    "source" : "lacnic"
  } ],
  "abuse_contacts" : [ {
    "handle" : "MACBR184",
    "country" : "BR",
    "email" : [ "marcos@stijarinu.com.br" ],
    "date_created" : "2014-09-15",
    "date_updated" : "2025-09-04",
    "source" : "lacnic"
  } ]
}

Peers

AS Number	Description	Country
AS52862	ISP PREMIUM TELECOM S/A	BR
AS270388	REDE ULTRACONECTA NET LTDA	BR
AS53158	Net Turbo Telecom	BR

Upstreams

AS Number	Description	Country
AS52862	ISP PREMIUM TELECOM S/A	BR
AS53158	Net Turbo Telecom	BR

Downstreams

AS Number	Description	Country
AS270388	REDE ULTRACONECTA NET LTDA	BR

Frequently Asked Questions

What is ASN AS271771?

ASN AS271771 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS271771?

AS271771 is listed under JARINU NETWORK TELECOMUNICACAO 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.