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AS52851 CTA 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

CTA INTERNET LTDA

BR 7 Routes

AS Data

AS52851

AS52851 – CTA INTERNET LTDA

AS Number	52851
AS Name
Organization	CTA INTERNET LTDA()
Country	BR
Number of IPv4 Routes	5
Number of IPv6 Routes	2
ASN type	ISP
Registry	lacnic
Date Allocated	2011-10-26

ASN Intelligence API for production workflows

Use ASN data for AS52851 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
143.202.213.0/24	AS52851	CTA INTERNET LTDA	CTA INTERNET LTDA	256
143.202.212.0/24	AS52851	CTA INTERNET LTDA	CTA INTERNET LTDA	256
143.202.215.0/24	AS52851	CTA INTERNET LTDA	CTA INTERNET LTDA	256
143.202.214.0/24	AS52851	CTA INTERNET LTDA	CTA INTERNET LTDA	256
143.202.212.0/22	AS52851	CTA INTERNET LTDA	CTA INTERNET LTDA	1024
2804:72c::/32	AS52851	CTA INTERNET LTDA	CTA INTERNET LTDA	~79×10²⁷
2804:72c:1800::/40	AS52851	CTA INTERNET LTDA	CTA INTERNET LTDA	~309×10²⁴

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.
% 2026-03-23T09:20:26-03:00 - 134.199.77.105

aut-num:     AS52851
owner:       CTA INTERNET LTDA
responsible: ANDREIA MULLING
owner-c:     ANBMU34
routing-c:   NOCIN12
abuse-c:     NOCIN12
created:     20111026
changed:     20240227
inetnum:     2804:72c::/32
inetnum:     143.202.212.0/22

nic-hdl-br:  ANBMU34
person:      Andreia Bervaldt Mulling
created:     20231113
changed:     20241022

nic-hdl-br:  NOCIN12
person:      NOC CTA INTERNET
created:     20240212
changed:     20240212

% 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
AS14840	BR.Digital Telecom	BR
AS272554	Log-Fi Internet	BR
AS269096	N&K TECNOLOGIA LTDA	BR
AS28605	Defferrari Informatica Ltda.	BR
AS6057	Administracion Nacional de Telecomunicaciones	UY
AS269783	WIND NET S.A.	PY
AS265162	JOSE RENATO COSTA DOS SANTOS DE NOVA SOURE ME	BR

Upstreams

AS Number	Description	Country
AS14840	BR.Digital Telecom	BR
AS28605	Defferrari Informatica Ltda.	BR
AS6057	Administracion Nacional de Telecomunicaciones	UY

Downstreams

AS Number	Description	Country
AS265162	JOSE RENATO COSTA DOS SANTOS DE NOVA SOURE ME	BR

Frequently Asked Questions

What is ASN AS52851?

ASN AS52851 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS52851?

AS52851 is listed under CTA 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.