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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
	45.6.164.0/22	CMC TELECOM EIRELI - ME
	45.6.164.0/23	CMC TELECOM EIRELI - ME
	45.6.166.0/23	CMC TELECOM EIRELI - ME
	2804:3b4c::/33	CMC TELECOM EIRELI - ME
	2804:3b4c::/32	CMC TELECOM EIRELI - ME
	2804:3b4c::/35	CMC TELECOM EIRELI - ME
	2804:3b4c::/34	CMC TELECOM EIRELI - ME
	2804:3b4c:2000::/35	CMC TELECOM EIRELI - ME
	2804:3b4c:4000::/35	CMC TELECOM EIRELI - ME
	2804:3b4c:4000::/34	CMC TELECOM EIRELI - ME
	2804:3b4c:6000::/35	CMC TELECOM EIRELI - ME
	2804:3b4c:8000::/33	CMC TELECOM EIRELI - ME
	2804:3b4c:8000::/34	CMC TELECOM EIRELI - ME
	2804:3b4c:8000::/35	CMC TELECOM EIRELI - ME
	2804:3b4c:a000::/35	CMC TELECOM EIRELI - ME
	2804:3b4c:c000::/35	CMC TELECOM EIRELI - ME
	2804:3b4c:e000::/35	CMC TELECOM EIRELI - ME

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS16735	Algar Telecom	✔	✔
	AS28580	FASTERNET	✔	✔
	AS262643	Brconecta LTDA	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS6939	Hurricane Electric LLC	✔	✔
	AS16735	Algar Telecom	✔	✔
	AS28580	FASTERNET	✔	✔
	AS35280	F5 Networks SARL	✘	✔
	AS7195	EdgeUno	✘	✔
	AS14840	BR.DIGITAL	✔	✔
	AS199524	Gcore S.A.	✔	✔
	AS214331	Teske Virtual System Ltda	✔	✔
	AS2635	Automattic, Inc	✔	✔
	AS14537	Continent 8 LLC	✔	✔
	AS262643	Brconecta LTDA	✔	✔
	AS271253	LINK BRASIL TELECOMUNICACOES LTDA	✔	✔
	AS40776	TaoNet	✔	✔
	AS269180	VIPNET Conexão	✔	✔
	AS215248	Bastiaan Mathijs Brink	✔	✔
	AS266400	Ferenz Networks	✔	✔
	AS214757	Jakub Krsa	✘	✔
	AS52999	START TELECOM LTDA	✘	✔
	AS36236	NetActuate, Inc	✔	✔
	AS263444	Open X Tecnologia Ltda	✔	✔
	AS263541	IMF NETWORK DATA LTDA - ME	✔	✔
	AS61624	ISPSHIELD (InfNOC Tecnologia)	✔	✔
	AS14907	Wikimedia Foundation Inc.	✔	✔
	AS213622	Falcon FZE LLC	✔	✔
	AS270824	ENX Services	✔	✔
	AS1916	RNP - Rede Nacional de Ensino e Pesquisa	✔	✔
	AS60503	FNX Tecnologia LTDA	✔	✔
	AS6057	Administracion Nacional de Telecomunicaciones	✔	✔
	AS262462	Aranet Play	✔	✔
	AS6424	EDGOO NETWORKS	✔	✔
	AS42473	Anexia Cloud Solutions GmbH	✔	✔
	AS267613	ELETRONET S.A.	✔	✔
	AS401661	EMBNEX, LLC	✔	✔
	AS263152	MIGO TELECOM	✔	✔
	AS24482	SG.GS	✔	✔
	AS270684	SOLUCOES SOUZA WEB LTDA	✔	✔
	AS32590	Valve Corporation	✔	✔
	AS269641	RURALNET BRASIL	✔	✔
	AS1251	FUNDAÇÃO DE AMPARO À PESQUISA DO ESTADO SÃO PAULO	✔	✔
	AS274676	MULTIWAY COMERCIO E REPRESENTACOES LTDA	✔	✔
	AS52888	UNIVERSIDADE FEDERAL DE SAO CARLOS	✔	✔
	AS49544	i3D.net B.V	✔	✔
	AS262287	Latitude.sh LTDA	✔	✔
	AS39120	Convergenze S.p.A.	✘	✔
	AS199829	Akronic Network LTDA	✘	✔
	AS269396	UNIR TELECOM	✘	✔
	AS200464	PAULO HENRIQUE SILVA DE OLIVEIRA	✘	✔
	AS270470	LN TELECOM	✘	✔
	AS61680	ACESSO SIMPLES LTDA	✘	✔
	AS262589	SAMM (Internexa)	✘	✔
	AS9498	Bharti Airtel Ltd.	✔	✘
	AS328366	FIRSTNET TECHNOLOGY SERVICES (PTY) LTD	✔	✘
	AS34170	Aztelekom LLC	✔	✘
	AS29049	Delta Telecom Ltd	✔	✘
	AS270735	COMPUTIZE NETWORK TELECOMUNICACOES LTDA	✔	✘
	AS199081	Lancom Ltd.	✔	✘
	AS263661	Brasil Digital Telecom	✔	✘
	AS132337	Axclusive	✔	✘
	AS263903	INFORBARRA TELECOM	✔	✘
	AS28166	TESA - Telecom South America	✔	✘
	AS265169	VIPNETT TELECOM	✔	✘
	AS262999	IVI TECNOLOGIA E COMUNICAÇÃO LTDA	✔	✘
	AS264409	Huge Networks	✔	✘
	AS53062	ALT | GRUPO BRASIL TECPAR	✔	✘
	AS269070	Hostzone Tecnologia LTDA	✔	✘
	AS28283	Adyl Telecom	✘	✔
	AS262832	Link Cariri	✘	✔

% 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.
% 2026-03-24T23:16:11-03:00 - 2a0c:2f07:9459:2c13::247

aut-num:     AS266140
owner:       CMC TELECOM LTDA
ownerid:     25.316.717/0001-78
responsible: Cesar Miguel Canavezzi
country:     BR
owner-c:     CTEME9
routing-c:   CTEME9
abuse-c:     CTEME9
created:     20170407
changed:     20170407
inetnum:     45.6.164.0/22
inetnum:     2804:3b4c::/32

nic-hdl-br:  CTEME9
person:      CMC Telecom EIRELI - ME
# Email removed, Log into bgp.tools to see whois emails/phone numbers
country:     BR
created:     20170221
changed:     20250121

% 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: 2026-03-25T02:16:11Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-ufinet-latam-brasil	4935
RADB	as-ctbc-customers136	45
RADB	as28359:as-customers	158
RADB	as-ctbc-customers183	51
RADB	as26615:as-customers	8027
RADB	as3491:as-customers-na	45811
RADB	as-hurricanev6	21127
RADB	as28649:as-28580	8
RADB	as-customers-cmc	1
RADB	as-ctbc-tools-2	1000
RADB	as270814:as-customers	158
RADB	as53013:as-cone	10046
RADB	as-ctbc-customers56	65
RADB	as-durand1-customer	4956
ALTDB	as-hwng-downstreams	2598
RADB	as-266140	1
RADB	as-set-cmctelecom	1