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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
	45.172.80.0/23	JustWeb Telecomunica��es LTDA
	45.172.82.0/23	JustWeb Telecomunica��es LTDA
	138.0.172.0/23	JustWeb Telecomunica��es LTDA
	138.0.174.0/23	JustWeb Telecomunica��es LTDA
	170.79.52.0/23	JustWeb Telecomunica��es LTDA
	170.79.54.0/23	JustWeb Telecomunica��es LTDA
	201.148.112.0/23	JustWeb Telecomunica��es LTDA
	201.148.114.0/23	JustWeb Telecomunica��es LTDA
	2804:2164::/32	JustWeb Telecomunica��es LTDA
	2804:2164::/34	JustWeb Telecomunica��es LTDA
	2804:2164:4000::/34	JustWeb Telecomunica��es LTDA
	2804:2164:8000::/34	JustWeb Telecomunica��es LTDA
	2804:2164:c000::/34	JustWeb Telecomunica��es LTDA

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS16735	Algar Telecom	✔	✔
	AS28656	BTT TELECOMUNICACOES S.A.	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS28656	BTT TELECOMUNICACOES S.A.	✔	✔
	AS16735	Algar Telecom	✔	✔
	AS6939	Hurricane Electric LLC	✔	✔
	AS35280	F5 Networks SARL	✘	✔
	AS14840	BR.DIGITAL	✔	✔
	AS7195	EdgeUno	✘	✔
	AS264409	Huge Networks	✔	✔
	AS2635	Automattic, Inc	✔	✔
	AS269180	VIPNET Conexão	✔	✔
	AS52999	START TELECOM LTDA	✔	✔
	AS265038	TELFO SERVICO DE TELECOMUNICACOES LTDA	✔	✘
	AS57463	NetIX Communications JSC	✔	✘
	AS262880	RADAR WISP LTDA	✔	✘
	AS214331	Teske Virtual System Ltda	✔	✔
	AS60503	FNX Tecnologia LTDA	✔	✔
	AS266062	R2 DADOS LTDA - ME	✔	✔
	AS36236	NetActuate, Inc	✔	✔
	AS269396	UNIR TELECOM	✔	✔
	AS24482	SG.GS	✔	✔
	AS42473	ANEXIA Internetdienstleistungs GmbH	✔	✔
	AS262287	Latitude.sh LTDA	✔	✔
	AS52888	UNIVERSIDADE FEDERAL DE SAO CARLOS	✔	✔
	AS1916	RNP - Rede Nacional de Ensino e Pesquisa	✔	✔
	AS14907	Wikimedia Foundation Inc.	✔	✔
	AS6424	EDGOO NETWORKS	✔	✔
	AS1251	FUNDAÇÃO DE AMPARO À PESQUISA DO ESTADO SÃO PAULO	✔	✔
	AS266196	BRASCOM SOLUCOES E TECNOLOGIA LTDA ME	✔	✘
	AS52468	UFINET PANAMA S.A.	✔	✘
	AS9498	Bharti Airtel Ltd.	✔	✘
	AS13335	Cloudflare, Inc.	✔	✔
	AS49544	i3D.net B.V	✔	✔
	AS263903	INFORBARRA TELECOM	✔	✔
	AS262589	Megatelecom (Internexa BR)	✘	✔
	AS28283	Adylnet Telecom	✘	✔
	AS272713	CDN Star Ltda	✘	✔
	AS269070	Hostzone Tecnologia LTDA	✔	✘
	AS6057	Administracion Nacional de Telecomunicaciones	✘	✔
	AS37721	Virtual Technologies & Solutions	✔	✘
	AS52965	1Telecom	✘	✔
	AS263237	PowerHost Telecom SPA	✔	✘

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Downstreams

	ASN	Description	IPv4	IPv6
	AS28656	BTT TELECOMUNICACOES S.A.	✔	✔

% 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.
% 2025-03-25T19:38:49-03:00 - 2a0c:2f07:9459:2c8::247

aut-num:     AS264552
owner:       JustWeb Telecomunica��es LTDA
ownerid:     15.699.599/0001-70
responsible: Diego Carvalho
country:     BR
owner-c:     JUTEL31
routing-c:   DIJCA7
abuse-c:     DIJCA7
created:     20150107
changed:     20150127
inetnum:     138.0.172.0/22
inetnum:     2804:2164::/32
inetnum:     170.79.52.0/22
inetnum:     45.172.80.0/22
inetnum:     201.148.112.0/22
as-in:       from AS264362 100 accept ANY
as-in:       from AS25280 100 accept ANY
as-out:      to AS264362 announce { 138.0.172.0/22 }
as-out:      to AS25280 announce { 138.0.172.0/22 }

nic-hdl-br:  JUTEL31
person:      Justweb Telecomunica��es
e-mail:      noc@justweb.com.br
country:     BR
created:     20170523
changed:     20240730

nic-hdl-br:  DIJCA7
person:      Diego Jos� de Carvalho
e-mail:      noc@justweb.com.br
country:     BR
created:     20110508
changed:     20170523

% 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: 2025-03-25T22:38:49Z UTC / (Click here to force a refresh)

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-gnt-customers	1284
RADB	as-hurricane	23462
ALTDB	as264552:as-global	8
RADB	as-ufinet-latam-brasil	4935
RADB	as-ctbc-customers26	50
RADB	as-cemigtelecom-clients-of-clients	383
RADB	as53013:as-cone	9678
RADB	as-americantower-clients-of-clients	819
RADB	as-ctbc-tools	7669
RADB	as-e1-automation-customer	6143
RADB	as-durand1-customer	4359
RADB	as52320:as-customers	1282
ALTDB	as-hwng-downstreams	2598
RADB	as-21574-customers	496
RADB	as52873:as-transit	1205