View

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
	200.107.72.0/22	JEFFERSON COSTA DA SILVA VIANA
	200.107.72.0/23	JEFFERSON COSTA DA SILVA VIANA
	200.107.72.0/24	JEFFERSON COSTA DA SILVA VIANA
	200.107.74.0/23	JEFFERSON COSTA DA SILVA VIANA
	2804:7f80::/34	JEFFERSON COSTA DA SILVA VIANA
	2804:7f80::/32	JEFFERSON COSTA DA SILVA VIANA
	2804:7f80:2000::/35	JEFFERSON COSTA DA SILVA VIANA
	2804:7f80:4000::/34	JEFFERSON COSTA DA SILVA VIANA
	2804:7f80:6000::/35	JEFFERSON COSTA DA SILVA VIANA
	2804:7f80:8000::/34	JEFFERSON COSTA DA SILVA VIANA
	2804:7f80:8000::/35	JEFFERSON COSTA DA SILVA VIANA
	2804:7f80:a000::/35	JEFFERSON COSTA DA SILVA VIANA
	2804:7f80:c000::/34	JEFFERSON COSTA DA SILVA VIANA
	2804:7f80:c000::/35	JEFFERSON COSTA DA SILVA VIANA
	2804:7f80:e000::/35	JEFFERSON COSTA DA SILVA VIANA

---

Network Policy

Click here to learn more about what this graph means and what makes up a network policy Global Aggregation (disabled due to size) Policy hopeful_cannon Policy magical_minsky Policy festive_bose Policy nervous_feynman Policy infallible_blackwell

Chart Display Options

Display links using non straight lines

Prefixes in selected policy

Load all prefixes in policy

---

How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS265436	SkyNet Telecomunicações	✔	✔
	AS11432	Telium Telecomunicações Ltda	✔	✔

---

Peers

	ASN	Description	IPv4	IPv6
	AS6939	Hurricane Electric LLC	✘	✔
	AS11432	Telium Telecomunicações Ltda	✔	✔
	AS265436	SkyNet Telecomunicações	✔	✔
	AS35280	F5 Networks SARL	✔	✔
	AS14840	BR.DIGITAL	✔	✔
	AS199524	Gcore S.A.	✔	✔
	AS214331	Teske Virtual System Ltda	✔	✔
	AS215248	Bastiaan Mathijs Brink	✔	✔
	AS2635	Automattic, Inc	✔	✔
	AS266400	Ferenz Networks	✔	✔
	AS40776	TaoNet	✔	✔
	AS52999	START TELECOM LTDA	✔	✔
	AS269180	VIPNET Conexão	✔	✔
	AS263444	Open X Tecnologia Ltda	✔	✔
	AS214757	Jakub Krsa	✘	✔
	AS263661	Brasil Digital Telecom	✔	✔
	AS9498	Bharti Airtel Ltd.	✔	✘
	AS52468	UFINET PANAMA S.A.	✔	✔
	AS401661	EMBNEX, LLC	✔	✔
	AS214569	Miralium Serviços em Tecnologia da Informação Ltda	✔	✔
	AS14907	Wikimedia Foundation Inc.	✔	✔
	AS262287	Latitude.sh LTDA	✔	✔
	AS61624	ISPSHIELD (InfNOC Tecnologia)	✔	✔
	AS263541	IMF NETWORK DATA LTDA - ME	✔	✔
	AS42473	Anexia Cloud Solutions GmbH	✔	✔
	AS52888	UNIVERSIDADE FEDERAL DE SAO CARLOS	✔	✔
	AS36236	NetActuate, Inc	✔	✔
	AS60503	FNX Tecnologia LTDA	✔	✔
	AS269396	UNIR TELECOM	✔	✔
	AS24482	SG.GS	✔	✔
	AS6424	EDGOO NETWORKS	✔	✔
	AS13335	Cloudflare, Inc.	✔	✔
	AS32590	Valve Corporation	✔	✔
	AS49544	i3D.net B.V	✔	✔
	AS1916	RNP - Rede Nacional de Ensino e Pesquisa	✔	✔
	AS274676	MULTIWAY COMERCIO E REPRESENTACOES LTDA	✔	✔
	AS1251	FUNDAÇÃO DE AMPARO À PESQUISA DO ESTADO SÃO PAULO	✔	✔
	AS7713	PT Telkom Indonesia Tbk	✔	✘
	AS328366	FIRSTNET TECHNOLOGY SERVICES (PTY) LTD	✔	✘
	AS270470	LN TELECOM	✔	✔
	AS267613	ELETRONET S.A.	✔	✔
	AS262589	SAMM (Internexa)	✘	✔
	AS262832	Link Cariri	✘	✔
	AS39120	Convergenze S.p.A.	✘	✔
	AS199829	Akronic Network LTDA	✘	✔
	AS10099	China Unicom Global	✔	✘
	AS265038	TELFO SERVICO DE TELECOMUNICACOES LTDA	✔	✘
	AS34170	Aztelekom LLC	✔	✘
	AS262880	RADAR WISP LTDA	✔	✘
	AS264409	Huge Networks	✔	✘
	AS270684	SOLUCOES SOUZA WEB LTDA	✔	✘
	AS53062	ALT | GRUPO BRASIL TECPAR	✔	✘
	AS270824	ENX Services	✔	✘
	AS1031	PEER 1031 LLC	✔	✘
	AS270735	COMPUTIZE NETWORK TELECOMUNICACOES LTDA	✔	✘
	AS262462	Aranet Play	✔	✘
	AS22381	SAMM (Megatelecom)	✔	✘
	AS29049	Delta Telecom Ltd	✔	✘
	AS263903	INFORBARRA TELECOM	✔	✘
	AS52872	VOANET Telecomunicações Ltda.	✔	✘
	AS61680	ACESSO SIMPLES LTDA	✔	✘
	AS28283	Adyl Telecom	✔	✘
	AS269070	Hostzone Tecnologia LTDA	✔	✘

% IP Client: 2a0c:2f07:9459:2c13:0:0:0:247
 % 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.
% 2026-01-21T10:00:30-03:00 - 2a0c:2f07:9459:2c13::247

aut-num:     AS271692
owner:       JEFFERSON COSTA DA SILVA VIANA
ownerid:     37.556.342/0001-00
responsible: JEFFERSON COSTA DA SILVA VIANA
country:     BR
owner-c:     JECSI489
routing-c:   JECSI489
abuse-c:     JECSI489
created:     20210407
changed:     20210407
inetnum:     2804:7f80::/32
inetnum:     200.107.72.0/22

nic-hdl-br:  JECSI489
person:      Jefferson Costa da Silva
# Email removed, Log into bgp.tools to see whois emails
country:     BR
created:     20200611
changed:     20231016

% 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: 2026-01-21T13:00:31Z UTC / (Click here to force a refresh)

---

Member of the following AS-SETs

-	Member	ASN Count
RADB	as-ufla-transcust	9986
RADB	as40850:as-customers	3594
RADB	as-ctbc-tools	9762
RADB	as-embratelnet	6294
RADB	as-hurricanev6	20736
RADB	as-durand1-customer	4657
RADB	as26615:as-customers	7594
RADB	as-e1-automation-customer	5239
RADB	as-ctbc-customers206	49
RADB	as-telium-customers	543
RADB	as53013:as-cone	9986