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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
	38.3.208.0/23	Cogent Communications, LLC
	38.3.208.0/22	Cogent Communications, LLC
	38.3.210.0/23	Cogent Communications, LLC
	138.117.175.0/24	INTERFIBRAS TELECOMUNICACOES LTDA
	138.118.0.0/23	INTERFIBRAS TELECOMUNICACOES LTDA
	138.118.0.0/22	INTERFIBRAS TELECOMUNICACOES LTDA
	138.118.2.0/23	INTERFIBRAS TELECOMUNICACOES LTDA
	170.245.68.0/23	INTERFIBRAS TELECOMUNICACOES LTDA
	170.245.68.0/22	INTERFIBRAS TELECOMUNICACOES LTDA
	170.245.70.0/23	INTERFIBRAS TELECOMUNICACOES LTDA
	2804:250c::/32	INTERFIBRAS TELECOMUNICACOES LTDA
	2804:250c::/33	INTERFIBRAS TELECOMUNICACOES LTDA
	2804:250c:a::/48	UNIVERSIDADE FEDERAL DE RONDONOPOLIS
	2804:250c:c000::/38	INTERFIBRAS TELECOMUNICACOES LTDA
	2804:250c:c000::/39	INTERFIBRAS TELECOMUNICACOES LTDA
	2804:250c:c100::/40	INTERFIBRAS TELECOMUNICACOES LTDA

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS263903	INFORBARRA TELECOM	✔	✔
	AS4230	Claro (Embratel)	✔	✔
	AS272713	CDN Star Ltda	✔	✘
	AS10429	Vivo (TELEFÔNICA BRASIL)	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS6939	Hurricane Electric LLC	✔	✔
	AS4230	Claro (Embratel)	✔	✔
	AS272713	CDN Star Ltda	✔	✔
	AS264237	GLOBALMT TELECOM	✔	✔
	AS263903	INFORBARRA TELECOM	✔	✔
	AS10429	Vivo (TELEFÔNICA BRASIL)	✔	✔
	AS14840	BR.DIGITAL	✔	✔
	AS199524	Gcore S.A.	✔	✔
	AS52320	V.tal (GlobeNet)	✔	✔
	AS7195	EdgeUno	✔	✘
	AS10099	China Unicom Global	✔	✘
	AS267613	ELETRONET S.A.	✔	✔
	AS61745	NBS Telecom	✔	✘
	AS1916	RNP - Rede Nacional de Ensino e Pesquisa	✔	✔
	AS37468	Angola Cables	✔	✔
	AS49544	i3D.net B.V	✔	✔
	AS263444	Open X Tecnologia Ltda	✔	✔
	AS263661	Brasil Digital Telecom	✔	✔
	AS15169	Google LLC	✔	✔
	AS263152	MIGO TELECOM	✔	✔
	AS32590	Valve Corporation	✔	✔
	AS36236	NetActuate, Inc	✔	✔
	AS1251	FUNDAÇÃO DE AMPARO À PESQUISA DO ESTADO SÃO PAULO	✔	✔
	AS267078	CUIABA FIBRA INTERNET EIRELI	✔	✘
	AS53062	ALT | GRUPO BRASIL TECPAR	✔	✘
	AS6057	Administracion Nacional de Telecomunicaciones	✔	✘
	AS268624	Gamers Club Ltda	✔	✘
	AS262287	Latitude.sh LTDA	✔	✔
	AS52925	Ascenty Data Centers e Telecomunicações S/A	✔	✘
	AS61568	ALOO TELECOM - FSF TECNOLOGIA SA	✘	✔
	AS264409	Huge Networks	✘	✔
	AS14537	Continent 8 LLC	✘	✔
	AS214331	Teske Virtual System Ltda	✘	✔
	AS269180	VIPNET Conexão	✘	✔
	AS215248	Bastiaan Mathijs Brink	✘	✔
	AS266400	Ferenz Networks	✘	✔
	AS52999	START TELECOM LTDA	✘	✔
	AS6424	EDGOO NETWORKS	✘	✔
	AS37721	Virtual Technologies & Solutions	✘	✔
	AS52888	UNIVERSIDADE FEDERAL DE SAO CARLOS	✘	✔
	AS270684	SOLUCOES SOUZA WEB LTDA	✘	✔
	AS199829	Akronic Network LTDA	✘	✔
	AS14907	Wikimedia Foundation Inc.	✘	✔
	AS213622	Falcon FZE LLC	✘	✔
	AS274676	MULTIWAY COMERCIO E REPRESENTACOES LTDA	✘	✔
	AS2635	Automattic, Inc	✘	✔
	AS60503	FNX Tecnologia LTDA	✘	✔
	AS40776	TaoNet	✘	✔
	AS269396	UNIR TELECOM	✘	✔
	AS262462	Aranet Play	✘	✔
	AS200464	PAULO HENRIQUE SILVA DE OLIVEIRA	✘	✔
	AS24482	SG.GS	✘	✔
	AS214757	Jakub Krsa	✘	✔
	AS269641	RURALNET BRASIL	✘	✔
	AS270470	LN TELECOM	✘	✔
	AS401661	EMBNEX, LLC	✘	✔
	AS270824	ENX Services	✘	✔
	AS61624	ISPSHIELD (InfNOC Tecnologia)	✘	✔
	AS263541	IMF NETWORK DATA LTDA - ME	✘	✔
	AS42473	Anexia Cloud Solutions GmbH	✘	✔
	AS28283	Adyl Telecom	✔	✘
	AS271253	LINK BRASIL TELECOMUNICACOES LTDA	✘	✔
	AS262832	Link Cariri	✘	✔

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Downstreams

	ASN	Description	IPv4	IPv6
	AS264237	GLOBALMT TELECOM	✔	✔

% IP Client: 2a0c:2f07:9459:443:0:0:0:155
 % 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.
% 2025-11-17T11:38:54-03:00 - 2a0c:2f07:9459:443::155

aut-num:     AS264255
owner:       INTERFIBRAS TELECOMUNICACOES LTDA
ownerid:     20.005.969/0001-62
responsible: Geovane dos Reis Sales
country:     BR
owner-c:     GRS308
routing-c:   CORIN7
abuse-c:     CORIN7
created:     20150518
changed:     20251027
inetnum:     138.118.0.0/22
inetnum:     2804:250c::/32
inetnum:     170.245.68.0/22
inetnum:     138.117.175.0/24
as-in:       from AS4230 100 accept ANY
as-in:       from AS10429 100 accept ANY
as-in:       from AS8167 100 accept ANY
as-in:       from AS3356 100 accept ANY
as-in:       from AS264409 100 accept ANY
as-in:       from AS264237 1000 accept AS264237
as-in:       from AS267123 1000 accept AS267123
as-out:      to AS4230 announce AS264255
as-out:      to AS10429 announce AS264255
as-out:      to AS8167 announce AS264255
as-out:      to AS3356 announce AS264255
as-out:      to AS264409 announce AS264255
as-out:      to AS264237 announce ANY
as-out:      to AS267123 announce ANY

nic-hdl-br:  GRS308
person:      Geovane reis sales
# Email removed, Log into bgp.tools to see whois emails/phone numbers
country:     BR
created:     20060525
changed:     20160114

nic-hdl-br:  CORIN7
person:      Centro de Operacoes de Rede Interfibras
# Email removed, Log into bgp.tools to see whois emails/phone numbers
country:     BR
created:     20251020
changed:     20251020

% 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: 2025-11-17T14:38:54Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as61568:as-aloo-telecom-ddos	6462
RADB	as-hurricane	25045
RADB	as-hugenet-customers	14568
RADB	as26615:as-customers	186
RADB	as-8167_customers	1931
RADB	as-gnt-customers	1404
RADB	as-embratelnet	6371
RADB	as-mob-customer-as53237	606
LEVEL3	as-lumen-customers-asns	10695
RADB	as52320:as-customers	1326
RADB	as264409:as-cone	2120
ALTDB	as-hwng-downstreams	2598
RADB	as-ctbc-tools-9	1000
RADB	as-ctbc-customers83	52
RADB	as-8167-bgp-customers	1447
RADB	as-ctbc-customers37	50
RIPE	as-transroute-spec	19618
RADB	as263903:as-transit	847
RADB	as3491:as-customers-na	45964