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	Prefix	Description
	143.208.228.0/22	Cassiano Zanon - CZNET Provedor de Internet
	186.237.16.0/22	Cassiano Zanon - CZNET Provedor de Internet
	186.237.20.0/22	Cassiano Zanon - CZNET Provedor de Internet
	2804:2be4::/32	Cassiano Zanon - CZNET Provedor de Internet

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS28146	MHNET TELECOM	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS28146	MHNET TELECOM	✔	✔
	AS265107	Computers World	✔	✔
	AS273803	Ultranet	✔	✔
	AS266570	ELETRICNET TELECOMUNICAÇÕES LTDA	✔	✔
	AS52934	Tolrs Informática Ltda	✔	✘
	AS14840	BR.DIGITAL	✘	✔
	AS199524	Gcore S.A.	✘	✔
	AS9498	Bharti Airtel Ltd.	✘	✔
	AS14537	Continent 8 LLC	✘	✔
	AS13335	Cloudflare, Inc.	✔	✔
	AS267613	ELETRONET S.A.	✘	✔
	AS32590	Valve Corporation	✔	✔
	AS266400	Ferenz Networks	✘	✔
	AS2635	Automattic, Inc	✘	✔
	AS271253	LINK BRASIL TELECOMUNICACOES LTDA	✘	✔
	AS40776	TaoNet	✘	✔
	AS215248	Bastiaan Mathijs Brink	✘	✔
	AS214757	Jakub Krsa	✘	✔
	AS52999	START TELECOM LTDA	✘	✔
	AS8801	Rocket Fibre Ltd	✘	✔
	AS263661	Brasil Digital Telecom	✘	✔
	AS1916	RNP - Rede Nacional de Ensino e Pesquisa	✘	✔
	AS60503	FNX Tecnologia LTDA	✘	✔
	AS6424	EDGOO NETWORKS	✘	✔
	AS269641	RURALNET BRASIL	✘	✔
	AS52888	UNIVERSIDADE FEDERAL DE SAO CARLOS	✘	✔
	AS401661	EMBNEX, LLC	✘	✔
	AS263152	MIGO TELECOM	✘	✔
	AS271247	RS Sul Telecomunicações Ltda	✘	✔
	AS42473	Anexia Cloud Solutions GmbH	✘	✔
	AS39120	Convergenze S.p.A.	✘	✔
	AS274676	MULTIWAY COMERCIO E REPRESENTACOES LTDA	✘	✔
	AS36236	NetActuate, Inc	✘	✔
	AS199829	Akronic Network LTDA	✘	✔
	AS61624	ISPSHIELD (InfNOC Tecnologia)	✘	✔
	AS270684	SOLUCOES SOUZA WEB LTDA	✘	✔
	AS14907	Wikimedia Foundation Inc.	✘	✔
	AS200464	PAULO HENRIQUE SILVA DE OLIVEIRA	✘	✔
	AS262462	Aranet Play	✘	✔
	AS24482	SG.GS	✘	✔
	AS270824	ENX Services	✘	✔
	AS264963	LUMIAR TELECOMUNICAÇÔES	✘	✔
	AS262589	SAMM (Internexa)	✘	✔
	AS49544	i3D.net B.V	✘	✔
	AS263541	IMF NETWORK DATA LTDA - ME	✘	✔
	AS52468	UFINET PANAMA S.A.	✘	✔
	AS15830	Equinix, Inc.	✘	✔
	AS270470	LN TELECOM	✘	✔
	AS262832	Link Cariri	✘	✔
	AS61680	ACESSO SIMPLES LTDA	✘	✔
	AS6057	Administracion Nacional de Telecomunicaciones	✘	✔

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Downstreams

	ASN	Description	IPv4	IPv6
	AS265107	Computers World	✔	✔
	AS273803	Ultranet	✔	✔
	AS266570	ELETRICNET TELECOMUNICAÇÕES LTDA	✔	✔
	AS52934	Tolrs Informática Ltda	✔	✘

% IP Client: 2a0c:2f07:9459:2c8:0:0:0:247
 % 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.
% 2026-01-12T13:49:41-03:00 - 2a0c:2f07:9459:2c8::247

aut-num:     AS263004
owner:       CZNET PROVEDOR DE INTERNET LTDA
ownerid:     06.910.203/0001-00
responsible: CASSIANO ZANON
country:     BR
owner-c:     CAZAN8
routing-c:   ELNET50
abuse-c:     ELNET50
created:     20120518
changed:     20241003
inetnum:     186.237.16.0/21
inetnum:     2804:2be4::/32
inetnum:     143.208.228.0/22

nic-hdl-br:  CAZAN8
person:      Cassiano Zanon
# Email removed, Log into bgp.tools to see whois emails/phone numbers
country:     BR
created:     20071219
changed:     20201223

nic-hdl-br:  ELNET50
person:      Elevate Network
# Email removed, Log into bgp.tools to see whois emails/phone numbers
country:     BR
created:     20210422
changed:     20250228

% 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.

Last Update: 2026-01-12T16:49:41Z UTC

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