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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
	187.17.224.0/24	LANTEC COMUNICACAO MULTIMIDIA LTDA
	187.17.225.0/24	IDSUL SERVICOS DE INTERNET LTDA
	187.17.226.0/24	SIM INTERNET PROVEDORES DE INTERNET EIRELI.
	187.17.228.0/24	SIM INTERNET PROVEDORES DE INTERNET EIRELI.
	187.17.229.0/24	SIM INTERNET PROVEDORES DE INTERNET EIRELI.
	187.17.230.0/24	LANTEC COMUNICACAO MULTIMIDIA LTDA
	187.17.231.0/24	LANTEC COMUNICACAO MULTIMIDIA LTDA
	187.17.232.0/24	LANTEC COMUNICACAO MULTIMIDIA LTDA
	187.17.233.0/24	SFR Solucoes em Tecnologia da Informacao Ltda
	187.17.234.0/24	LANTEC COMUNICACAO MULTIMIDIA LTDA
	187.17.235.0/24	LANTEC COMUNICACAO MULTIMIDIA LTDA
	187.17.236.0/24	LANTEC COMUNICACAO MULTIMIDIA LTDA
	187.17.237.0/24	LANTEC COMUNICACAO MULTIMIDIA LTDA
	187.17.238.0/24	SIM INTERNET PROVEDORES DE INTERNET EIRELI.
	187.17.239.0/24	LANTEC COMUNICACAO MULTIMIDIA LTDA
	187.108.0.0/24	SIM INTERNET PROVEDORES DE INTERNET EIRELI.
	187.108.1.0/24	SIM INTERNET PROVEDORES DE INTERNET EIRELI.
	187.108.3.0/24	SIM INTERNET PROVEDORES DE INTERNET EIRELI.
	187.108.4.0/24	SIM INTERNET PROVEDORES DE INTERNET EIRELI.
	187.108.5.0/24	SIM INTERNET PROVEDORES DE INTERNET EIRELI.
	187.108.6.0/24	SIM INTERNET PROVEDORES DE INTERNET EIRELI.
	187.108.7.0/24	SIM INTERNET PROVEDORES DE INTERNET EIRELI.
	187.108.8.0/24	SIM INTERNET PROVEDORES DE INTERNET EIRELI.
	187.108.9.0/24	SIM INTERNET PROVEDORES DE INTERNET EIRELI.
	187.108.10.0/24	SIM INTERNET PROVEDORES DE INTERNET EIRELI.
	187.108.12.0/24	-
	187.108.13.0/24	LANTEC COMUNICACAO MULTIMIDIA LTDA
	187.108.14.0/24	SIM INTERNET PROVEDORES DE INTERNET EIRELI.
	187.108.15.0/24	SIM INTERNET PROVEDORES DE INTERNET EIRELI.
	188.17.226.0/24	Dynamic distribution IP's for broadband services

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS263998	Machado & Mascarelo Sonorizacao Ltda	✔	✔
	AS268042	JETNET COMUNICACAO LTDA	✔	✘
	AS265892	Telbe Telecom Valinhos LTDA	✔	✘
	AS262778	NGT TELECOMUNICACOES LTDA	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS263998	Machado & Mascarelo Sonorizacao Ltda	✔	✔
	AS268042	JETNET COMUNICACAO LTDA	✔	✘
	AS265892	Telbe Telecom Valinhos LTDA	✔	✘
	AS272273	SFR Solucoes em Tecnologia da Informacao Ltda	✘	✔
	AS262778	NGT TELECOMUNICACOES LTDA	✔	✘

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Downstreams

	ASN	Description	IPv4	IPv6
	AS272273	SFR Solucoes em Tecnologia da Informacao Ltda	✘	✔

% Copyright (c) Nic.br
%  The use of the data below is only permitted as described in
%  full by the Use and Privacy Policy at https://registro.br/upp ,
%  being prohibited its distribution, commercialization or
%  reproduction, in particular, to use it for advertising or
%  any similar purpose.
%  2022-11-21T02:25:55-03:00 - IP: 2a0c:2f07:29:666:0:0:0:247

aut-num:     AS28267
owner:       LANTEC COMUNICACAO MULTIMIDIA LTDA
ownerid:     05.368.528/0001-31
responsible: Rafael Angulski
country:     BR
owner-c:     LIL268
routing-c:   LIL268
abuse-c:     LIL268
created:     20081111
changed:     20210527
inetnum:     187.17.224.0/20
inetnum:     187.108.0.0/20
inetnum:     2804:20d4::/32

nic-hdl-br:  LIL268
person:      Lantec Informatica Ltda
e-mail:      rafael.angulski@gmail.com
country:     BR
created:     20040213
changed:     20210902

% Security and mail abuse issues should also be addressed to
% cert.br, http://www.cert.br/ , respectivelly to cert@cert.br
% and mail-abuse@cert.br
%
% whois.registro.br accepts only direct match queries. Types
% of queries are: domain (.br), registrant (tax ID), ticket,
% provider, CIDR block, IP and ASN.

Last Update: 2022-11-21T05:25:55Z UTC / (Click here to force a refresh)

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Member of the following AS-SETs

-	Member
RADB	as28146:as-clients
ALTDB	as-mmtelecom
RADB	as-e1-automation-customer
RADB	as-268042-jetnet-customer
RADB	as-itxbr1
RADB	as-itxbr
RADB	as-ctbc-customers112
ALTDB	as-262778-customers
RADB	as53013:as-cone
RADB	as-267613
RADB	as-8167_customers
RADB	as52925:as-cone
RADB	as26615:as-customers
NTTCOM	as266989:as-eth
ALTDB	as-53062-customers
RADB	as-upix-customers
RADB	as3491:as-customers-na
RADB	as-mob-customer-as265303
RADB	as-8167-bgp-customers
RADB	as-sb-automation-customer
RADB	as-angolacables-radb
RADB	as-tely
NTTCOM	as268344:as-evotelecom
RADB	as28343:as-customers
RADB	as-ctbc-tools
NTTCOM	as28267:as-telbe
RADB	as40850:as-customers
RADB	as-embratelnet
RADB	as-mob-customer-as265892
RADB	as-ctbc-customers7
RADB	as-g8
RADB	as-ufinet-latam-brasil