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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
	45.186.48.0/24	ARLEQUIM TECHNOLOGIES S.A.
	45.186.48.0/22	ARLEQUIM TECHNOLOGIES S.A.
	45.186.48.0/23	ARLEQUIM TECHNOLOGIES S.A.
	45.186.49.0/24	ARLEQUIM TECHNOLOGIES S.A.
	45.186.50.0/24	ARLEQUIM TECHNOLOGIES S.A.
	45.186.50.0/23	ARLEQUIM TECHNOLOGIES S.A.
	45.186.51.0/24	ARLEQUIM TECHNOLOGIES S.A.
	2804:8a28::/36	ARLEQUIM TECHNOLOGIES S.A.
	2804:8a28::/32	ARLEQUIM TECHNOLOGIES S.A.
	2804:8a28:2000::/37	ARLEQUIM TECHNOLOGIES S.A.
	2804:8a28:2000::/36	ARLEQUIM TECHNOLOGIES S.A.
	2804:8a28:2800::/37	ARLEQUIM TECHNOLOGIES S.A.

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS3356	Lumen (Level 3)	✘	✔
	AS10753	Level 3 Parent, LLC	✔	✘
	AS14840	BR.DIGITAL	✔	✔
	AS52863	UPX TECNOLOGIA LTDA	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS14840	BR.DIGITAL	✔	✔
	AS3356	Lumen (Level 3)	✘	✔
	AS10753	Level 3 Parent, LLC	✔	✘
	AS52863	UPX TECNOLOGIA LTDA	✔	✔
	AS2635	Automattic, Inc	✔	✔

% 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.
% 2026-03-07T18:19:34-03:00 - 2a0c:2f07:9459:2c13::247

aut-num:     AS273651
owner:       ARLEQUIM TECHNOLOGIES S.A.
ownerid:     03.493.366/0001-38
responsible: Mauricio Montilla
country:     BR
owner-c:     MAMON1131
routing-c:   ARTLT49
abuse-c:     ARTLT49
created:     20221213
changed:     20221213
inetnum:     2804:8a28::/32
inetnum:     45.186.48.0/22

nic-hdl-br:  MAMON1131
person:      Mauricio Montilla
# Email removed, Log into bgp.tools to see whois emails/phone numbers
country:     BR
created:     20221201
changed:     20221201

nic-hdl-br:  ARTLT49
person:      Arlequim Technologies Ltda
# Email removed, Log into bgp.tools to see whois emails/phone numbers
country:     BR
created:     20221019
changed:     20221213

% 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: 2026-03-07T21:19:34Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-e1-automation-customer	4761
RADB	as-273651	1
LEVEL3	as-lumen-customers-asns	10695
RADB	as-ctbc-tools-8	1000
ALTDB	as273651:as-all	1
RADB	as14840:as-customers-04	470