ASN AS61729 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS61729?

AS61729 is listed under CB NET TELECOM 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.

AS61729 CB NET TELECOM LTDA | IPGeolocation.io

ASN Lookup Tool

CB NET TELECOM LTDA cbnet.inf.br

BR 11 Routes

AS Data

AS61729

AS61729 – CB NET TELECOM LTDA

AS Number	61729
AS Name	12.542.366/0001-71
Organization	CB NET TELECOM LTDA
Country	BR
Website	cbnet.inf.br
Number of IPv4 Routes	8
Number of IPv6 Routes	3
ASN type	ISP
Registry	lacnic
Date Allocated	2014-08-04

ASN Intelligence API for production workflows

Use ASN data for AS61729 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
131.0.206.0/23	AS61729	CB NET TELECOM LTDA	CB NET TELECOM LTDA	512
131.0.204.0/24	AS61729	CB NET TELECOM LTDA	CB NET TELECOM LTDA	256
2804:1b74::/33	AS61729	CB NET TELECOM LTDA	CB NET TELECOM LTDA	~40×10²⁷
131.0.204.0/22	AS61729	CB NET TELECOM LTDA	CB NET TELECOM LTDA	1024
45.168.128.0/22	AS61729	CB NET TELECOM LTDA	CB NET TELECOM LTDA	1024
131.0.207.0/24	AS61729	CB NET TELECOM LTDA	CB NET TELECOM LTDA	256
131.0.206.0/24	AS61729	CB NET TELECOM LTDA	CB NET TELECOM LTDA	256
131.0.205.0/24	AS61729	CB NET TELECOM LTDA	CB NET TELECOM LTDA	256
131.0.204.0/23	AS61729	CB NET TELECOM LTDA	CB NET TELECOM LTDA	512
2804:1b74:8000::/33	AS61729	CB NET TELECOM LTDA	CB NET TELECOM 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.
% 2026-04-10T09:26:11-03:00 - 45.130.121.35

aut-num:     AS61729
owner:       CB NET TELECOM LTDA
ownerid:     12.542.366/0001-71
responsible: Maiquel Ribeiro
country:     BR
owner-c:     MARIB28
routing-c:   GRZ2
abuse-c:     ROACR74
created:     20140804
changed:     20251127
inetnum:     131.0.204.0/22
inetnum:     2804:1b74::/32
inetnum:     45.168.128.0/22

nic-hdl-br:  MARIB28
person:      Maiquel Ribeiro
e-mail:      maiquel.ribeiro@cbnet.inf.br
country:     BR
created:     20070516
changed:     20251023

nic-hdl-br:  GRZ2
person:      Giovani Rodrigues Zandona
e-mail:      giovani@zandona.com
country:     BR
created:     20011107
changed:     20220405

nic-hdl-br:  ROACR74
person:      Rodrigo Antunes da Cruz
e-mail:      rodrigoac@cbnet.inf.br
country:     BR
created:     20200624
changed:     20200624

% 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" : "AS61729",
    "country" : "BR",
    "admin_contacts" : [ "MARIB28" ],
    "tech_contacts" : [ "GRZ2" ],
    "abuse_contacts" : [ "ROACR74" ],
    "date_created" : "2014-08-04",
    "date_updated" : "2025-11-27",
    "source" : "lacnic"
  } ],
  "organization" : {
    "handle" : "12.542.366/0001-71",
    "name" : "CB NET TELECOM LTDA",
    "country" : [ "BR" ],
    "abuse_contacts" : [ "ROACR74" ],
    "date_created" : "2014-08-04",
    "date_updated" : "2025-11-27",
    "source" : "lacnic"
  },
  "administrative_contacts" : [ {
    "handle" : "MARIB28",
    "country" : "BR",
    "email" : [ "maiquel.ribeiro@cbnet.inf.br" ],
    "date_created" : "2007-05-16",
    "date_updated" : "2025-10-23",
    "source" : "lacnic"
  } ],
  "technical_contacts" : [ {
    "handle" : "GRZ2",
    "country" : "BR",
    "email" : [ "giovani@zandona.com" ],
    "date_created" : "2001-11-07",
    "date_updated" : "2022-04-05",
    "source" : "lacnic"
  } ],
  "abuse_contacts" : [ {
    "handle" : "ROACR74",
    "country" : "BR",
    "email" : [ "rodrigoac@cbnet.inf.br" ],
    "date_created" : "2020-06-24",
    "date_updated" : "2020-06-24",
    "source" : "lacnic"
  } ]
}

Peers

AS Number	Description	Country
AS199081	Lancom Ltd.	GR
AS272554	Log-Fi Internet	BR
AS6939	Hurricane Electric LLC	US
AS60602	Inovare-Prim SRL	MD
AS266142	Bahiadados Telecom Ltda.	BR
AS262695	Tecwave Telecom Ltda.	BR
AS14537	Continent 8 LLC	US
AS269416	SEMEAR TELECOM EIRELI	BR
AS52965	1TELECOM SERVICOS DE TECNOLOGIA EM INTERNET LTDA	BR
AS199524	G-Core Labs S.A.	LU

Upstreams

AS Number	Description	Country
AS61568	ALOO TELECOM FSF TECNOLOGIA SA	BR
AS39120	Convergenze S.p.A.	IT
AS35280	F5 Networks SARL	FR
AS28283	Adylnet Telecom	BR
AS6939	Hurricane Electric LLC	US
AS6057	Administracion Nacional de Telecomunicaciones	UY
AS52468	UFINET PANAMA S.A.	PA
AS53013	UFINET BRASIL S.A.	BR

Downstreams

AS Number	Description	Country
AS262695	Tecwave Telecom Ltda.	BR
AS267449	GLOBALNET TELECOMUNICAÇÕES LTDA	BR