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	Prefix	Description
	45.7.4.0/24	COMMTEL TRANSMISSAO DE DADOS E INTERNET LTDA
	45.7.4.0/23	COMMTEL TRANSMISSAO DE DADOS E INTERNET LTDA
	45.7.4.0/22	COMMTEL TRANSMISSAO DE DADOS E INTERNET LTDA
	45.7.6.0/24	COMMTEL TRANSMISSAO DE DADOS E INTERNET LTDA
	45.7.6.0/23	COMMTEL TRANSMISSAO DE DADOS E INTERNET LTDA
	45.7.7.0/24	COMMTEL TRANSMISSAO DE DADOS E INTERNET LTDA
	216.28.156.0/24	Cogent Communications, LLC
	2804:3ea8::/32	COMMTEL TRANSMISSAO DE DADOS E INTERNET LTDA
	2804:3ea8:4000::/34	COMMTEL TRANSMISSAO DE DADOS E INTERNET LTDA

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS264112	CAMON PROVEDOR	✔	✔
	AS4230	Claro (Embratel)	✔	✘
	AS266167	CELERIX TECNOLOGIA DE TELECOMUNICACOES LTDA	✘	✔
	AS14840	BR.DIGITAL	✔	✘
	AS61884	Ollá Telecom	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS264112	CAMON PROVEDOR	✔	✔
	AS4230	Claro (Embratel)	✔	✘
	AS266167	CELERIX TECNOLOGIA DE TELECOMUNICACOES LTDA	✘	✔
	AS14840	BR.DIGITAL	✔	✘
	AS61884	Ollá Telecom	✔	✘

% 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.
% 2026-01-22T12:50:49-03:00 - 2a0c:2f07:9459:2c13::247

aut-num:     AS266613
owner:       COMMTEL TRANSMISSAO DE DADOS E INTERNET LTDA
ownerid:     25.108.344/0001-40
responsible: daniel alca
country:     BR
owner-c:     ACLME179
routing-c:   SAMAL160
abuse-c:     VASSO197
created:     20170607
changed:     20240625
inetnum:     45.7.4.0/22
inetnum:     2804:3ea8::/32

nic-hdl-br:  ACLME179
person:      ALCA CORPORATION LTDA ME
# Email removed, Log into bgp.tools to see whois emails/phone numbers
country:     BR
created:     20160826
changed:     20240625

nic-hdl-br:  SAMAL160
person:      Samuel Matos Alencar
# Email removed, Log into bgp.tools to see whois emails/phone numbers
country:     BR
created:     20210412
changed:     20251116

nic-hdl-br:  VASSO197
person:      Vagner Silva Sousa
# Email removed, Log into bgp.tools to see whois emails/phone numbers
country:     BR
created:     20200212
changed:     20201229

% 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: 2026-01-22T15:50:49Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as14840:as-customers-01	452
RADB	as-embratelnet	6371
RADB	as-celerix-customers-1	47
ALTDB	as-266583	561
RADB	as-267613	5669
RADB	as-274642	1
RADB	as-ufinet-latam-brasil	4935
RADB	as-mob-customer-as61832	1687
ALTDB	as-61884	104
RADB	as61568:as-aloo-telecom	2233
RADB	as-fortel-customers	3689
RADB	as-forte-telecom-customer-rj	1576
RADB	as61568:as-aloo-telecom-ddos	6462
RADB	as-sb-automation-customer	2474
RADB	as-ctbc-customers177	50
ALTDB	as28178:as-customers	29
RADB	as-durand1-customer	4960
RADB	as53013:as-cone	9831
RADB	as-ctbc-tools-2	1000
RADB	as274830:as-customers	6194