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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
	187.109.208.0/24	Sudoeste Telecom Ltda - ME
	187.109.208.0/20	Sudoeste Fibra
	187.109.209.0/24	Sudoeste Telecom Ltda - ME
	187.109.210.0/24	Sudoeste Telecom Ltda - ME
	187.109.211.0/24	Sudoeste Telecom Ltda - ME
	187.109.212.0/24	Sudoeste Telecom Ltda - ME
	187.109.213.0/24	Sudoeste Telecom Ltda - ME
	187.109.214.0/24	Sudoeste Telecom Ltda - ME
	187.109.215.0/24	Sudoeste Telecom Ltda - ME
	187.109.216.0/24	Sudoeste Telecom Ltda - ME
	187.109.217.0/24	Sudoeste Telecom Ltda - ME
	187.109.218.0/24	Sudoeste Telecom Ltda - ME
	187.109.219.0/24	Sudoeste Telecom Ltda - ME
	187.109.220.0/24	Sudoeste Telecom Ltda - ME
	187.109.222.0/24	Sudoeste Telecom Ltda - ME
	187.109.223.0/24	Sudoeste Telecom Ltda - ME
	187.109.221.0/24	Sudoeste Telecom Ltda - ME
	2804:49a0::/34	Sudoeste Telecom Ltda - ME
	2804:49a0::/33	Sudoeste Telecom Ltda - ME
	2804:49a0::/32	Sudoeste Telecom Ltda - ME
	2804:49a0:4000::/34	Sudoeste Telecom Ltda - ME
	2804:49a0:8000::/34	Sudoeste Telecom Ltda - ME
	2804:49a0:8000::/33	Sudoeste Telecom Ltda - ME
	2804:49a0:c000::/34	Sudoeste Telecom Ltda - ME

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS7738	V.tal	✔	✔
	AS263903	INFORBARRA TELECOM	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS7738	V.tal	✔	✔
	AS268493	SpeedNet Telecom	✔	✔
	AS263903	INFORBARRA TELECOM	✔	✔
	AS6939	Hurricane Electric LLC	✔	✔
	AS14840	BR.DIGITAL	✔	✔
	AS6424	EDGOO NETWORKS	✔	✔
	AS35280	F5 Networks SARL	✘	✔
	AS9498	Bharti Airtel Ltd.	✔	✘
	AS214331	Teske Virtual System Ltda	✔	✔
	AS2635	Automattic, Inc	✔	✔
	AS269180	VIPNET Conexão	✔	✔
	AS40776	TaoNet	✔	✔
	AS266400	Ferenz Networks	✔	✔
	AS7195	EdgeUno	✘	✔
	AS52999	START TELECOM LTDA	✔	✔
	AS263661	Brasil Digital Telecom	✔	✔
	AS52320	V.tal (GlobeNet)	✘	✔
	AS262880	RADAR WISP LTDA	✔	✘
	AS265038	TELFO SERVICO DE TELECOMUNICACOES LTDA	✔	✘
	AS1916	RNP - Rede Nacional de Ensino e Pesquisa	✔	✔
	AS274676	MULTIWAY COMERCIO E REPRESENTACOES LTDA	✔	✔
	AS60503	FNX Tecnologia LTDA	✔	✔
	AS24482	SG.GS	✔	✔
	AS13335	Cloudflare, Inc.	✔	✔
	AS262462	Aranet Play	✔	✔
	AS270684	WEB KONECT TELECOM DE FRUTAL LTDA	✔	✔
	AS262287	Latitude.sh LTDA	✔	✔
	AS270470	LN TELECOM	✔	✔
	AS42473	Anexia Cloud Solutions GmbH	✔	✔
	AS14907	Wikimedia Foundation Inc.	✔	✔
	AS32590	Valve Corporation	✔	✔
	AS1251	FUNDAÇÃO DE AMPARO À PESQUISA DO ESTADO SÃO PAULO	✔	✔
	AS52888	UNIVERSIDADE FEDERAL DE SAO CARLOS	✔	✔
	AS61624	ISPSHIELD (InfNOC Tecnologia)	✔	✔
	AS269396	UNIR TELECOM	✔	✔
	AS215248	Bastiaan Mathijs Brink	✔	✔
	AS263541	IMF NETWORK DATA LTDA - ME	✔	✔
	AS36236	NetActuate, Inc	✔	✔
	AS28283	Adyl Telecom	✔	✔
	AS53062	ALT | GRUPO BRASIL TECPAR	✔	✘
	AS52872	VOANET Telecomunicações Ltda.	✔	✘
	AS270735	COMPUTIZE NETWORK TELECOMUNICACOES LTDA	✔	✘
	AS269070	Hostzone Tecnologia LTDA	✔	✘
	AS264409	Huge Networks	✔	✘
	AS267469	W8 Telecom Ltda - ME	✔	✘
	AS214757	Jakub Krsa	✘	✔
	AS262832	Link Cariri	✘	✔
	AS15169	Google LLC	✘	✔
	AS199829	Akronic Network LTDA	✘	✔
	AS20473	The Constant Company, LLC	✘	✔
	AS49544	i3D.net B.V	✘	✔
	AS262589	SAMM (Internexa)	✘	✔
	AS265061	GC NET	✔	✘

---

Downstreams

	ASN	Description	IPv4	IPv6
	AS268493	SpeedNet Telecom	✔	✔

% 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.
% 2025-12-16T09:07:47-03:00 - 2a0c:2f07:9459:2c8::247

aut-num:     AS262498
owner:       Sudoeste Fibra
ownerid:     11.850.527/0001-21
responsible: Augusto Cesar Cardoso Santana
country:     BR
owner-c:     ACCSA8
routing-c:   ACCSA8
abuse-c:     JACSI773
created:     20110613
changed:     20231201
inetnum:     187.109.208.0/20
inetnum:     2804:49a0::/32
as-in:       from AS7738 100 accept ANY
as-in:       from AS13786 100 accept ANY
as-in:       from AS26162 100 accept ANY
as-out:      to AS7738 announce AS262498
as-out:      to AS7738 announce AS264449
as-out:      to AS7738 announce AS268674
as-out:      to AS7738 announce AS269322
as-out:      to AS7738 announce AS268493
as-out:      to AS7738 announce AS238130
as-out:      to AS7738 announce AS269622
as-out:      to AS7738 announce AS267447
as-out:      to AS7738 announce AS271568
as-out:      to AS13786 announce AS262498

nic-hdl-br:  ACCSA8
person:      Augusto C�sar C. Santana
# Email removed, Log into bgp.tools to see whois emails
country:     BR
created:     20070925
changed:     20220819

nic-hdl-br:  JACSI773
person:      Jaaziel Carneiro Silva
# Email removed, Log into bgp.tools to see whois emails
country:     BR
created:     20230905
changed:     20231201

% 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: 2025-12-16T12:07:47Z UTC / (Click here to force a refresh)

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-ctbc-tools	9675
RADB	as-28513	526
RADB	as263903:as-transit	810
RADB	as-hurricane	24477
RADB	as-itsbrasil-customer	430
RADB	as3491:as-customers-na	61532
RADB	as-28124	865
RADB	as61568:as-aloo-telecom-ddos	6164
RADB	as-durand1-customer	4619
RADB	as52873:as-transit	1245
RADB	as26615:as-customers	7550
RADB	as-embratelnet	6269
RADB	as-7738_customers	3377
RADB	as-7738-bgp-customers	3227
RADB	as-openx-customers	1119
RADB	as-g8	3188