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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
	143.137.156.0/22	STIW Sistema de Telecom. Inf e Wireless LTDA
	143.137.156.0/23	STIW Sistema de Telecom. Inf e Wireless LTDA
	143.137.156.0/24	STIW Sistema de Telecom. Inf e Wireless LTDA
	143.137.157.0/24	STIW Sistema de Telecom. Inf e Wireless LTDA
	143.137.158.0/23	STIW Sistema de Telecom. Inf e Wireless LTDA
	143.137.158.0/24	STIW Sistema de Telecom. Inf e Wireless LTDA
	143.137.159.0/24	STIW Sistema de Telecom. Inf e Wireless LTDA
	186.225.176.0/21	STIW Sistema de Telecom. Inf e Wireless LTDA
	186.225.176.0/23	STIW Sistema de Telecom. Inf e Wireless LTDA
	186.225.177.0/24	STIW Sistema de Telecom. Inf e Wireless LTDA
	186.225.178.0/24	STIW Sistema de Telecom. Inf e Wireless LTDA
	186.225.178.0/23	STIW Sistema de Telecom. Inf e Wireless LTDA
	186.225.179.0/24	STIW Sistema de Telecom. Inf e Wireless LTDA
	186.225.180.0/23	STIW Sistema de Telecom. Inf e Wireless LTDA
	186.225.180.0/24	STIW Sistema de Telecom. Inf e Wireless LTDA
	186.225.181.0/24	STIW Sistema de Telecom. Inf e Wireless LTDA
	186.225.182.0/23	STIW Sistema de Telecom. Inf e Wireless LTDA
	186.225.182.0/24	STIW Sistema de Telecom. Inf e Wireless LTDA
	186.225.183.0/24	STIW Sistema de Telecom. Inf e Wireless LTDA
	2804:98c::/32	STIW Sistema de Telecom. Inf e Wireless LTDA

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS269096	NORTH TECNOLOGIA	✔	✔
	AS263903	INFORBARRA TELECOM	✔	✔
	AS1031	PEER 1031 LLC	✔	✘
	AS263444	Open X Tecnologia Ltda	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS269096	NORTH TECNOLOGIA	✔	✔
	AS1031	PEER 1031 LLC	✔	✔
	AS52923	Netcar Internet Telec Info e Tecnologia LTDA	✔	✘
	AS269353	VOLAREHOST INTERNET LTDA ME	✔	✔
	AS6939	Hurricane Electric LLC	✔	✘
	AS263903	INFORBARRA TELECOM	✔	✔
	AS263402	INFORMATICA.COM LTDA	✔	✔
	AS268896	IBR Informática Ltda	✔	✘
	AS263530	MICROSOL INFORMATICA LTDA - ME	✔	✔
	AS272265	GRX BRASIL TELECOM SERVICOS EIRELI	✔	✔
	AS265448	NETWORK INFORMATICA LTDA. - ME	✔	✔
	AS268050	SUPRINET SOLUCOES EM INTERNET LTDA	✔	✘
	AS270736	MASTERNET TELECOMUNICACAO LTDA	✔	✘
	AS266575	ISOLTEC TELECOM LTDA - ME	✔	✘
	AS269189	JVX TELECOM INTERNET E SERVIÇOS LTDA - ME	✔	✘
	AS24940	Hetzner Online GmbH	✔	✘
	AS24961	WIIT AG (fka. myLoc Managed IT AG)	✔	✘
	AS33891	Core-Backbone GmbH	✔	✔
	AS3303	Swisscom (Schweiz) AG	✔	✘
	AS52925	Ascenty Data Centers e Telecomunicações S/A	✔	✘
	AS49544	i3D.net B.V	✔	✔
	AS200052	Feral.io Ltd	✔	✘
	AS14840	BR.DIGITAL	✔	✔
	AS35280	F5 Networks SARL	✔	✘
	AS6424	EDGOO NETWORKS	✔	✔
	AS1828	Unitas Global	✔	✘
	AS2635	Automattic, Inc	✔	✔
	AS1820	WNET TELECOM USA Corp.	✔	✘
	AS214331	Teske Virtual System Ltda	✔	✔
	AS999	CORIX NETWORKS	✔	✘
	AS266400	Ferenz Networks	✔	✔
	AS263661	Brasil Digital Telecom	✔	✔
	AS13335	Cloudflare, Inc.	✔	✔
	AS53062	ALT | GRUPO BRASIL TECPAR	✔	✘
	AS269180	VIPNET Conexão	✔	✔
	AS40776	TaoNet	✔	✔
	AS1916	RNP - Rede Nacional de Ensino e Pesquisa	✔	✔
	AS262880	RADAR WISP LTDA	✔	✘
	AS199524	Gcore S.A.	✔	✔
	AS267613	ELETRONET S.A.	✔	✔
	AS55081	24 SHELLS	✔	✔
	AS265038	TELFO SERVICO DE TELECOMUNICACOES LTDA	✔	✘
	AS52999	START TELECOM LTDA	✔	✘
	AS36236	NetActuate, Inc	✔	✔
	AS274676	MULTIWAY COMERCIO E REPRESENTACOES LTDA	✔	✔
	AS262462	Aranet Play	✔	✔
	AS22356	Durand do Brasil Ltda	✔	✘
	AS262287	Latitude.sh LTDA	✔	✔
	AS42473	Anexia Cloud Solutions GmbH	✔	✔
	AS14907	Wikimedia Foundation Inc.	✔	✔
	AS24482	SG.GS	✔	✔
	AS1251	FUNDAÇÃO DE AMPARO À PESQUISA DO ESTADO SÃO PAULO	✔	✔
	AS61624	ISPSHIELD (InfNOC Tecnologia)	✔	✔
	AS32590	Valve Corporation	✔	✔
	AS60503	FNX Tecnologia LTDA	✔	✔
	AS52888	UNIVERSIDADE FEDERAL DE SAO CARLOS	✔	✔
	AS215248	Bastiaan Mathijs Brink	✔	✔
	AS20473	The Constant Company, LLC	✔	✔
	AS270684	WEB KONECT TELECOM DE FRUTAL LTDA	✔	✔
	AS15169	Google LLC	✔	✘
	AS270735	COMPUTIZE NETWORK TELECOMUNICACOES LTDA	✔	✘
	AS263541	IMF NETWORK DATA LTDA - ME	✔	✘
	AS52965	1Telecom	✔	✘
	AS61832	Giga+ Empresas	✔	✘
	AS9498	Bharti Airtel Ltd.	✔	✘
	AS52872	VOANET Telecomunicações Ltda.	✔	✘
	AS264409	Huge Networks	✔	✘
	AS269396	UNIR TELECOM	✔	✘
	AS262832	Link Cariri	✔	✔
	AS22381	SAMM (Megatelecom)	✔	✘
	AS53427	TGLOBAL NETWORKS	✔	✘
	AS267469	W8 Telecom Ltda - ME	✔	✘
	AS265061	GC NET	✔	✘
	AS16265	LeaseWeb Network B.V.	✔	✘
	AS214757	Jakub Krsa	✘	✔
	AS199829	Akronic Network LTDA	✘	✔
	AS263444	Open X Tecnologia Ltda	✔	✘
	AS28283	Adyl Telecom	✘	✔
	AS8455	atom86 BV	✔	✘
	AS61568	ALOO TELECOM - FSF TECNOLOGIA SA	✔	✘
	AS271253	LINK BRASIL TELECOMUNICACOES LTDA	✔	✘

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Downstreams

	ASN	Description	IPv4	IPv6
	AS269353	VOLAREHOST INTERNET LTDA ME	✔	✔
	AS263402	INFORMATICA.COM LTDA	✔	✔
	AS52923	Netcar Internet Telec Info e Tecnologia LTDA	✔	✘
	AS272265	GRX BRASIL TELECOM SERVICOS EIRELI	✔	✔
	AS268896	IBR Informática Ltda	✔	✘
	AS263530	MICROSOL INFORMATICA LTDA - ME	✔	✘
	AS268050	SUPRINET SOLUCOES EM INTERNET LTDA	✔	✘
	AS270736	MASTERNET TELECOMUNICACAO LTDA	✔	✘
	AS266575	ISOLTEC TELECOM LTDA - ME	✔	✘
	AS265448	NETWORK INFORMATICA LTDA. - ME	✔	✘

% 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.
% 2026-01-07T10:04:14-03:00 - 2a0c:2f07:9459:2c8::247

aut-num:     AS263099
owner:       STIW Sistema de Telecom. Inf e Wireless LTDA
ownerid:     08.464.991/0001-75
responsible: Omar Santiago Maciel
country:     BR
owner-c:     AFSCO20
routing-c:   PHSCO73
abuse-c:     PHSCO73
created:     20120427
changed:     20230818
inetnum:     186.225.176.0/21
inetnum:     2804:98c::/32
inetnum:     143.137.156.0/22

nic-hdl-br:  AFSCO20
person:      Angelo Felipe Sampaio Coelho
# Email removed, Log into bgp.tools to see whois emails
country:     BR
created:     20111206
changed:     20250508

nic-hdl-br:  PHSCO73
person:      Pedro Henrique Sampaio Coelho
# Email removed, Log into bgp.tools to see whois emails
country:     BR
created:     20191024
changed:     20250415

% 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: 2026-01-07T13:04:14Z UTC / (Click here to force a refresh)

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Member of the following AS-SETs

-	Member
RADB	as263903:as-transit
RADB	as52873:as-transit
RADB	as-forte-telecom-customer-trial
RADB	as-hugenet-customers
RADB	as-cemigtelecom-clients-of-clients
RADB	as-americantower-clients-of-clients
RADB	as-ctbc-customers110
RADB	as-embratelnet
RADB	as-gnt-customers
RADB	as-itxbr
RADB	as-ctbc-customers20
RADB	as-openx-customers
RADB	as-ufinet-latam-brasil
RADB	as-hurricanev6
RADB	as-durand1-customer
ALTDB	as-hwng-downstreams
RADB	as-americantower
RADB	as26615:as-customers
RADB	as-sb-automation-customer
RADB	as-e1-automation-customer
RADB	as61568:as-aloo-telecom-ddos
RADB	as52320:as-customers
RADB	as-north-telecom-as263099