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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
	186.235.118.0/24	HAGANA TECNOLOGIA COMERCIO DE SISTEMAS LTDA
	186.235.119.0/24	DELTAOMEGA TECNOLOGIA EM SEGURAN�A
	186.235.112.0/22	IWserver Internet Banda Larga Ltda.
	186.235.112.0/21	IWserver Internet Banda Larga Ltda.
	186.235.113.0/24	IWserver Internet Banda Larga Ltda.
	186.235.116.0/22	IWserver Internet Banda Larga Ltda.
	187.0.144.0/24	IWserver Internet Banda Larga Ltda.
	187.0.144.0/23	IWserver Internet Banda Larga Ltda.
	187.0.144.0/22	IWserver Internet Banda Larga Ltda.
	187.0.146.0/23	IWserver Internet Banda Larga Ltda.
	187.0.148.0/23	IWserver Internet Banda Larga Ltda.
	187.0.148.0/22	IWserver Internet Banda Larga Ltda.
	187.0.150.0/23	IWserver Internet Banda Larga Ltda.
	187.0.152.0/24	IWserver Internet Banda Larga Ltda.
	187.0.152.0/23	IWserver Internet Banda Larga Ltda.
	187.0.152.0/22	IWserver Internet Banda Larga Ltda.
	187.0.154.0/23	IWserver Internet Banda Larga Ltda.
	187.0.156.0/23	IWserver Internet Banda Larga Ltda.
	187.0.156.0/22	IWserver Internet Banda Larga Ltda.
	187.0.158.0/23	IWserver Internet Banda Larga Ltda.
	2804:988::/34	IWserver Internet Banda Larga Ltda.
	2804:988:4000::/34	IWserver Internet Banda Larga Ltda.

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS14840	BR.DIGITAL	✔	✘
	AS3356	Lumen (Level 3)	✔	✔
	AS52468	UFINET PANAMA S.A.	✔	✘
	AS3549	Lumen (fka. Global Crossing)	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS14840	BR.DIGITAL	✔	✘
	AS6939	Hurricane Electric LLC	✔	✔
	AS3356	Lumen (Level 3)	✔	✔
	AS52468	UFINET PANAMA S.A.	✔	✔
	AS3549	Lumen (fka. Global Crossing)	✔	✘
	AS7195	EdgeUno	✔	✔
	AS35280	F5 Networks SARL	✔	✘
	AS6424	EDGOO NETWORKS	✔	✔
	AS9498	Bharti Airtel Ltd.	✔	✘
	AS214331	Teske Virtual System Ltda	✔	✔
	AS2635	Automattic, Inc	✔	✔
	AS40776	TaoNet	✔	✔
	AS52999	START TELECOM LTDA	✔	✔
	AS266400	Ferenz Networks	✔	✔
	AS269180	VIPNET Conexão	✔	✔
	AS263661	Brasil Digital Telecom	✔	✔
	AS262880	RADAR WISP LTDA	✔	✘
	AS7713	PT Telkom Indonesia Tbk	✔	✘
	AS215248	Bastiaan Mathijs Brink	✔	✔
	AS42473	Anexia Cloud Solutions GmbH	✔	✔
	AS263541	IMF NETWORK DATA LTDA - ME	✔	✔
	AS24482	SG.GS	✔	✔
	AS262589	SAMM (Internexa)	✔	✔
	AS265038	TELFO SERVICO DE TELECOMUNICACOES LTDA	✔	✘
	AS32590	Valve Corporation	✔	✔
	AS14907	Wikimedia Foundation Inc.	✔	✔
	AS36236	NetActuate, Inc	✔	✔
	AS20473	The Constant Company, LLC	✔	✔
	AS262287	Latitude.sh LTDA	✔	✔
	AS61624	ISPSHIELD (InfNOC Tecnologia)	✔	✔
	AS52888	UNIVERSIDADE FEDERAL DE SAO CARLOS	✔	✔
	AS274676	MULTIWAY COMERCIO E REPRESENTACOES LTDA	✔	✔
	AS1251	FUNDAÇÃO DE AMPARO À PESQUISA DO ESTADO SÃO PAULO	✔	✔
	AS1916	RNP - Rede Nacional de Ensino e Pesquisa	✔	✔
	AS60503	FNX Tecnologia LTDA	✔	✔
	AS270684	WEB KONECT TELECOM DE FRUTAL LTDA	✔	✘
	AS270735	COMPUTIZE NETWORK TELECOMUNICACOES LTDA	✔	✘
	AS264409	Huge Networks	✔	✘
	AS15169	Google LLC	✔	✘
	AS13335	Cloudflare, Inc.	✔	✔
	AS262462	Aranet Play	✔	✔
	AS263903	INFORBARRA TELECOM	✔	✔
	AS49544	i3D.net B.V	✔	✔
	AS269396	UNIR TELECOM	✔	✔
	AS28283	Adyl Telecom	✔	✔
	AS270470	LN TELECOM	✔	✔
	AS263444	Open X Tecnologia Ltda	✔	✔
	AS52872	VOANET Telecomunicações Ltda.	✔	✘
	AS53062	ALT | GRUPO BRASIL TECPAR	✔	✘
	AS269070	Hostzone Tecnologia LTDA	✔	✘
	AS267469	W8 Telecom Ltda - ME	✔	✘
	AS1031	PEER 1031 LLC	✔	✘
	AS265061	GC NET	✔	✘
	AS39120	Convergenze S.p.A.	✔	✘
	AS214757	Jakub Krsa	✘	✔
	AS262832	Link Cariri	✘	✔
	AS199829	Akronic Network LTDA	✘	✔

% IP Client: 2a0c:2f07:9459:2c8:0:0:0:247
 % 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.
% 2026-01-06T09:10:08-03:00 - 2a0c:2f07:9459:2c8::247

aut-num:     AS28239
owner:       IWserver Internet Banda Larga Ltda.
ownerid:     06.212.876/0001-88
responsible: Marcos Paulo Milani
country:     BR
owner-c:     MPM24
routing-c:   MPM24
abuse-c:     MPM24
created:     20080812
changed:     20130306
inetnum:     187.0.144.0/20
inetnum:     186.235.112.0/21
inetnum:     2804:988::/32

nic-hdl-br:  MPM24
person:      Marcos Paulo Milani
# Email removed, Log into bgp.tools to see whois emails
country:     BR
created:     19990824
changed:     20190129

% 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: 2026-01-06T12:10:09Z UTC / (Click here to force a refresh)

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-durand1-customer	4619
RADB	as-267613	5357
ALTDB	as-hwng-downstreams	2598
RADB	as-ufla-transcust	9643
RADB	as-flys	3421
RADB	as3491:as-customers-na	61532
RADB	as-ctbc-tools	9675
LEVEL3	as-lumen-customers-asns	10695
RADB	as14840:as-customers-04	487
RADB	as-ctbc-customers217	362
RADB	as26615:as-customers	7550