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If you are scraping this block for the prefixes that a AS originates, please use the data dumps in https://bgp.tools/kb/api and cache them

	Prefix	Description
	143.0.204.0/24	Catanduva sistemas a cabo ltda.
	143.0.204.0/23	Catanduva sistemas a cabo ltda.
	143.0.205.0/24	Catanduva sistemas a cabo ltda.
	143.0.206.0/23	Catanduva sistemas a cabo ltda.
	143.0.206.0/24	Catanduva sistemas a cabo ltda.
	143.0.207.0/24	Catanduva sistemas a cabo ltda.
	170.79.164.0/23	Catanduva sistemas a cabo ltda.
	170.79.164.0/22	Catanduva sistemas a cabo ltda.
	170.79.166.0/23	Catanduva sistemas a cabo ltda.
	170.79.166.0/24	Catanduva sistemas a cabo ltda.
	177.11.176.0/21	Catanduva sistemas a cabo ltda.
	177.11.176.0/22	Catanduva sistemas a cabo ltda.
	177.11.176.0/23	Catanduva sistemas a cabo ltda.
	177.11.178.0/23	Catanduva sistemas a cabo ltda.
	177.11.180.0/22	Catanduva sistemas a cabo ltda.
	177.11.180.0/23	Catanduva sistemas a cabo ltda.
	177.11.182.0/23	Catanduva sistemas a cabo ltda.
	186.250.140.0/22	Catanduva sistemas a cabo ltda.
	186.250.140.0/23	Catanduva sistemas a cabo ltda.
	186.250.142.0/23	Catanduva sistemas a cabo ltda.
	2804:2928::/33	Catanduva sistemas a cabo ltda.
	2804:2928::/32	Catanduva sistemas a cabo ltda.
	2804:2928:8000::/33	Catanduva sistemas a cabo ltda.
	2804:2928:ff00::/48	Catanduva sistemas a cabo ltda.
	2804:2928:ff00::/40	Catanduva sistemas a cabo ltda.
	2804:2928:ff20::/43	Catanduva sistemas a cabo ltda.

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS271253	LINK BRASIL TELECOMUNICACOES LTDA	✔	✔
	AS22381	Megatelecom Telecomunicacoes Ltda	✔	✔
	AS52591	S. C. Terres e Cia Ltda	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS271253	LINK BRASIL TELECOMUNICACOES LTDA	✔	✔
	AS22381	Megatelecom Telecomunicacoes Ltda	✔	✔
	AS6939	Hurricane Electric LLC	✔	✔
	AS52591	S. C. Terres e Cia Ltda	✔	✘
	AS35280	F5 Networks SARL	✔	✘
	AS14840	BR.DIGITAL	✔	✘
	AS264409	Huge Networks	✔	✘
	AS265038	TELFO SERVICO DE TELECOMUNICACOES LTDA	✔	✘
	AS9498	Bharti Airtel Ltd.	✔	✘
	AS269180	VIPNET Conexão	✔	✔
	AS2635	Automattic, Inc	✔	✔
	AS262880	RADAR WISP LTDA	✔	✘
	AS52468	UFINET PANAMA S.A.	✔	✘
	AS52999	START TELECOM LTDA	✔	✔
	AS37721	Virtual Technologies & Solutions	✔	✘
	AS57463	NetIX Communications JSC	✔	✘
	AS13335	Cloudflare, Inc.	✔	✔
	AS214331	Teske Virtual System Ltda	✔	✔
	AS1251	FUNDAÇÃO DE AMPARO À PESQUISA DO ESTADO SÃO PAULO	✔	✔
	AS263903	INFORBARRA TELECOM	✔	✔
	AS1916	RNP - Rede Nacional de Ensino e Pesquisa	✔	✔
	AS24482	SG.GS	✔	✔
	AS52888	UNIVERSIDADE FEDERAL DE SAO CARLOS	✔	✔
	AS14907	Wikimedia Foundation Inc.	✔	✔
	AS42473	ANEXIA Internetdienstleistungs GmbH	✔	✔
	AS36236	NetActuate, Inc	✔	✔
	AS6424	EDGOO NETWORKS	✔	✔
	AS263998	Machado & Mascarelo Sonorizacao Ltda	✔	✘
	AS269396	UNIR TELECOM	✔	✔
	AS28283	Adylnet Telecom	✔	✘
	AS60503	FNX Tecnologia LTDA	✔	✘
	AS269070	Hostzone Tecnologia LTDA	✔	✘
	AS263237	PowerHost Telecom SPA	✔	✘
	AS61680	ACESSO SIMPLES LTDA	✔	✘
	AS267469	W8 Telecom Ltda - ME	✔	✘
	AS49544	i3D.net B.V	✔	✘
	AS265169	MEGA TELECON PROVEDOR DE INTERNET LTDA ME	✔	✘
	AS22356	Durand do Brasil Ltda	✔	✘
	AS52579	Noroestecom Telecomunicacoes Ltda	✔	✘
	AS34772	NEOTEL DOO export-import Skopje	✔	✘
	AS55081	24 SHELLS	✔	✘
	AS266830	AIRPOINT TELECOMUNICACIONES LIMITADA	✔	✘
	AS262832	Infotechnet Informatica e Assistencia Tecnica Ltda	✘	✔
	AS6057	Administracion Nacional de Telecomunicaciones	✘	✔

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Downstreams

	ASN	Description	IPv4	IPv6
	AS52591	S. C. Terres e Cia Ltda	✔	✘

% Copyright (c) Nic.br
%  The use of the data below is only permitted as described in
%  full by the Use and Privacy Policy at https://registro.br/upp ,
%  being prohibited its distribution, commercialization or
%  reproduction, in particular, to use it for advertising or
%  any similar purpose.
%  2022-11-30T01:05:06-03:00 - IP: 2a0c:2f07:29:666:0:0:0:247

aut-num:     AS52951
owner:       Catanduva sistemas a cabo ltda.
ownerid:     65.784.266/0001-18
responsible: Rodrigo gabas
country:     BR
owner-c:     EMACA21
routing-c:   NCSAL13
abuse-c:     NCSAL13
created:     20110111
changed:     20190719
inetnum:     177.11.176.0/21
inetnum:     186.250.140.0/22
inetnum:     143.0.204.0/22
inetnum:     2804:2928::/32
inetnum:     170.79.164.0/22

nic-hdl-br:  EMACA21
person:      EMISSORA AVOZ DE CATANDUVA
e-mail:      financeiro@voxfm.net
country:     BR
created:     20110304
changed:     20180720

nic-hdl-br:  NCSAL13
person:      NOC Catanduva sistemas a cabo ltda
e-mail:      datacenternetcatanduva@gmail.com
country:     BR
created:     20190719
changed:     20221109

% Security and mail abuse issues should also be addressed to
% cert.br, http://www.cert.br/ , respectivelly to cert@cert.br
% and mail-abuse@cert.br
%
% whois.registro.br accepts only direct match queries. Types
% of queries are: domain (.br), registrant (tax ID), ticket,
% provider, CIDR block, IP and ASN.

Last Update: 2022-11-30T04:05:06Z UTC / (Click here to force a refresh)

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-itxbr1	6233
RADB	as-267613	4851
ALTDB	as53245:as-customers	435
ALTDB	as-61595	1076
RADB	as-megatelecom-customers	6507
RADB	as-embratelnet	5988
RADB	as-itxbr	4761
RADB	as-durand1-customer	4359
ALTDB	as-action	435
RADB	as53013:as-cone	9678
RADB	as-openx-customers	1085
RADB	as26615:as-customers	6842
RADB	as-53427-tgn	1654
RADB	as-tascom-customers	894
RADB	as-taipan-cpoc-3	50
RADB	as-ctbc-customers3	50
RADB	as-e1-automation-customer	6156
RADB	as262761:as-customers	212
RADB	as-ctbc-tools	7670
RADB	as-53427-tglobal	1870