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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
	138.36.68.0/23	CHECK-UP NET TELECOM
	138.36.68.0/22	CHECK-UP NET TELECOM
	138.36.70.0/23	CHECK-UP NET TELECOM
	143.137.0.0/22	CHECK-UP NET TELECOM
	143.137.0.0/23	CHECK-UP NET TELECOM
	143.137.2.0/23	CHECK-UP NET TELECOM
	170.246.232.0/23	CHECK-UP NET TELECOM
	170.246.232.0/24	CHECK-UP NET TELECOM
	170.246.232.0/22	CHECK-UP NET TELECOM
	170.246.234.0/23	CHECK-UP NET TELECOM
	200.225.140.0/23	CHECK-UP NET TELECOM
	200.225.140.0/22	CHECK-UP NET TELECOM
	200.225.142.0/23	CHECK-UP NET TELECOM
	2804:197c::/32	CHECK-UP NET TELECOM

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS28260	ALTA REDE CORPORATE NETWORK TELECOM LTDA - EPP	✔	✔
	AS268235	VLA TELECOMUNICACOES LTDA	✔	✘
	AS268696	Tuddo Telecom Ltda.	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS28260	ALTA REDE CORPORATE NETWORK TELECOM LTDA - EPP	✔	✔
	AS268696	Tuddo Telecom Ltda.	✔	✔
	AS270343	MGT COMUNICAÇÃO	✔	✔
	AS267654	MAXBR COMERCIO E PRESTACAO DE SERVICOS LTDA - ME	✔	✔
	AS61698	WINQ ULTRANET	✔	✔
	AS268235	VLA TELECOMUNICACOES LTDA	✔	✘
	AS262781	RADIOBR INTERNET LTDA	✔	✘
	AS35280	F5 Networks SARL	✔	✔
	AS7195	EdgeUno	✔	✔
	AS6424	EDGOO NETWORKS	✔	✔
	AS14840	BR.DIGITAL	✔	✔
	AS273775	F5 COMPUTADORES LTDA	✔	✔
	AS2635	Automattic, Inc	✔	✔
	AS267613	ELETRONET S.A.	✔	✔
	AS215248	Bastiaan Mathijs Brink	✔	✔
	AS40776	TaoNet	✔	✔
	AS52320	V.tal (GlobeNet)	✘	✔
	AS13335	Cloudflare, Inc.	✔	✔
	AS262462	Aranet Play	✔	✔
	AS8801	Rocket Fibre Ltd	✔	✔
	AS14907	Wikimedia Foundation Inc.	✔	✔
	AS42473	Anexia Cloud Solutions GmbH	✔	✔
	AS32590	Valve Corporation	✔	✔
	AS36236	NetActuate, Inc	✔	✔
	AS1916	RNP - Rede Nacional de Ensino e Pesquisa	✔	✔
	AS20473	The Constant Company, LLC	✔	✔
	AS263903	INFORBARRA TELECOM	✔	✔
	AS61832	Giga+ Empresas	✔	✘
	AS49544	i3D.net B.V	✔	✔
	AS40850	UPIX NETWORKS INTERNATIONAL LLC	✔	✔
	AS214757	Jakub Krsa	✘	✔
	AS53427	TGLOBAL NETWORKS	✔	✘
	AS15830	Equinix, Inc.	✔	✘

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Downstreams

	ASN	Description	IPv4	IPv6
	AS270343	MGT COMUNICAÇÃO	✔	✔
	AS61698	WINQ ULTRANET	✔	✔
	AS267654	MAXBR COMERCIO E PRESTACAO DE SERVICOS LTDA - ME	✔	✔
	AS262781	RADIOBR INTERNET LTDA	✔	✘
	AS273775	F5 COMPUTADORES 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.
% 2026-01-27T11:29:18-03:00 - 2a0c:2f07:9459:2c13::247

aut-num:     AS61797
owner:       CHECK-UP NET TELECOM
ownerid:     10.508.614/0001-32
responsible: Manoel Pedro Louren�o
country:     BR
owner-c:     CATLT28
routing-c:   CATLT28
abuse-c:     CATLT28
created:     20140624
changed:     20140624
inetnum:     200.225.140.0/22
inetnum:     2804:197c::/32
inetnum:     138.36.68.0/22
inetnum:     143.137.0.0/22
inetnum:     170.246.232.0/22

nic-hdl-br:  CATLT28
person:      Carangola Telecomunica��es Ltda
# Email removed, Log into bgp.tools to see whois emails
country:     BR
created:     20101208
changed:     20240620

% 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: 2026-01-27T14:29:19Z UTC / (Click here to force a refresh)

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Member of the following AS-SETs

-	Member
RADB	as26615:as-customers
RADB	as-hurricanev6
ALTDB	as-53078-cust
RADB	as-forte-telecom-downstreams
RADB	as-tascom-customers
RADB	as264409:as-cone
RADB	as-ctbc-tools
RADB	as-rocketnetwork-tools-2
RADB	as-267613
RADB	as-embratelnet
ALTDB	as61797:as-carangola
RADB	as-28260
RADB	as-forte-telecom-customer-rj
RADB	as-ctbc-customers81
ALTDB	as-53062-customers
RADB	as268235:as-customers
RADB	as-fortel-customers
RADB	as-tuddo-cli2
RADB	as-windx
RADB	as3491:as-customers-na
RADB	as-sumicity-customers
RADB	as-altarede
RADB	as-mob-customer-as61832
RADB	as-hurricane