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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
	45.5.240.0/23	Marcio Eiji Yasue - ME
	45.5.240.0/22	Marcio Eiji Yasue - ME
	45.5.240.0/24	Marcio Eiji Yasue - ME
	45.5.241.0/24	Marcio Eiji Yasue - ME
	45.5.242.0/23	Marcio Eiji Yasue - ME
	45.5.242.0/24	Marcio Eiji Yasue - ME
	45.5.243.0/24	Marcio Eiji Yasue - ME
	2804:3b04::/32	Marcio Eiji Yasue - ME

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS274685	Sernet	✔	✔
	AS267973	G.V.R. TELECOMUNICAÇÕES E SERVIÇOS LTDA - ME	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS274685	Sernet	✔	✔
	AS267973	G.V.R. TELECOMUNICAÇÕES E SERVIÇOS LTDA - ME	✔	✘
	AS14840	BR.DIGITAL	✔	✘
	AS214331	Teske Virtual System Ltda	✔	✘
	AS199524	Gcore S.A.	✔	✘
	AS266400	Ferenz Networks	✔	✘
	AS263661	Brasil Digital Telecom	✔	✘
	AS269180	VIPNET Conexão	✔	✘
	AS215248	Bastiaan Mathijs Brink	✔	✘
	AS40776	TaoNet	✔	✘
	AS2635	Automattic, Inc	✔	✘
	AS262880	RADAR WISP LTDA	✔	✘
	AS264409	Huge Networks	✔	✘
	AS262462	Aranet Play	✔	✘
	AS32590	Valve Corporation	✔	✘
	AS60503	FNX Tecnologia LTDA	✔	✘
	AS42473	Anexia Cloud Solutions GmbH	✔	✘
	AS262287	Latitude.sh LTDA	✔	✘
	AS270684	SOLUCOES SOUZA WEB LTDA	✔	✘
	AS263903	INFORBARRA TELECOM	✔	✘
	AS1251	FUNDAÇÃO DE AMPARO À PESQUISA DO ESTADO SÃO PAULO	✔	✘
	AS214569	Miralium Serviços em Tecnologia da Informação Ltda	✔	✘
	AS401661	EMBNEX, LLC	✔	✘
	AS263541	IMF NETWORK DATA LTDA - ME	✔	✘
	AS270735	COMPUTIZE NETWORK TELECOMUNICACOES LTDA	✔	✘
	AS61624	ISPSHIELD (InfNOC Tecnologia)	✔	✘
	AS13335	Cloudflare, Inc.	✔	✘
	AS6424	EDGOO NETWORKS	✔	✘
	AS274676	MULTIWAY COMERCIO E REPRESENTACOES LTDA	✔	✘
	AS1916	RNP - Rede Nacional de Ensino e Pesquisa	✔	✘
	AS39120	Convergenze S.p.A.	✔	✘
	AS53062	ALT | GRUPO BRASIL TECPAR	✔	✘
	AS52888	UNIVERSIDADE FEDERAL DE SAO CARLOS	✔	✘
	AS24482	SG.GS	✔	✘
	AS14907	Wikimedia Foundation Inc.	✔	✘
	AS36236	NetActuate, Inc	✔	✘
	AS328366	FIRSTNET TECHNOLOGY SERVICES (PTY) LTD	✔	✘
	AS22381	SAMM (Megatelecom)	✔	✘

% 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.
% 2025-07-26T19:44:41-03:00 - 2a0c:2f07:9459:2c8::247

aut-num:     AS266124
owner:       AtivaNet Telecom Ltda
ownerid:     00.746.407/0001-62
responsible: Marcio Eiji Yasue
country:     BR
owner-c:     MEY
routing-c:   MEY
abuse-c:     MEY
created:     20170330
changed:     20191112
inetnum:     45.5.240.0/22
inetnum:     2804:3b04::/32

nic-hdl-br:  MEY
person:      Marcio Eiji Yasue
# Email removed, Log into bgp.tools to see whois emails
country:     BR
created:     19980525
changed:     20230303

% 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: 2025-07-26T22:44:41Z UTC / (Click here to force a refresh)

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-8167-bgp-customers	1447
RADB	as-hurricane	24809
RADB	as-ctbc-tools	9762
RADB	as-267613	5594
RADB	as26615:as-customers	7594
RADB	as-opcao	135
RADB	as-8167_customers	1898
RADB	as-e1-automation-customer	5239
RADB	as262865:as-customers	222
RADB	as-1000-linkamerican	54671
RADB	as-durand1-customer	4657
RADB	as-ctbc-customers148	50
RADB	as-flys	54650
ALTDB	as-rostelecom-br	32
RADB	as-openx-customers	1210
RADB	as-hurricanev6	20736
ALTDB	as14282:as-customers	222
RADB	as-vsx	483