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	Prefix	Description
	45.172.80.0/23	JustWeb Telecomunica��es LTDA
	45.172.80.0/24	JustWeb Telecomunica��es LTDA
	45.172.80.0/22	JustWeb Telecomunica��es LTDA
	45.172.81.0/24	JustWeb Telecomunica��es LTDA
	45.172.82.0/23	JustWeb Telecomunica��es LTDA
	45.172.82.0/24	JustWeb Telecomunica��es LTDA
	45.172.83.0/24	JustWeb Telecomunica��es LTDA
	138.0.172.0/24	JustWeb Telecomunica��es LTDA
	138.0.172.0/22	JustWeb Telecomunica��es LTDA
	138.0.172.0/23	JustWeb Telecomunica��es LTDA
	138.0.173.0/24	JustWeb Telecomunica��es LTDA
	138.0.174.0/23	JustWeb Telecomunica��es LTDA
	138.0.174.0/24	JustWeb Telecomunica��es LTDA
	138.0.175.0/24	JustWeb Telecomunica��es LTDA
	170.79.52.0/23	JustWeb Telecomunica��es LTDA
	170.79.52.0/22	JustWeb Telecomunica��es LTDA
	170.79.52.0/24	JustWeb Telecomunica��es LTDA
	170.79.53.0/24	JustWeb Telecomunica��es LTDA
	170.79.54.0/24	JustWeb Telecomunica��es LTDA
	170.79.54.0/23	JustWeb Telecomunica��es LTDA
	170.79.55.0/24	JustWeb Telecomunica��es LTDA
	201.148.112.0/22	JustWeb Telecomunica��es LTDA
	201.148.112.0/24	MATOS & JUSTWEB
	201.148.112.0/23	JustWeb Telecomunica��es LTDA
	201.148.113.0/24	MATOS & JUSTWEB
	201.148.114.0/24	MATOS & JUSTWEB
	201.148.114.0/23	JustWeb Telecomunica��es LTDA
	201.148.115.0/24	-
	2804:2164::/32	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
	AS28656	Blink Telecom	✔	✘
	AS16735	Algar Telecom	✔	✔
	AS264228	BTT TELECOMUNICACOES S.A.	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS28656	Blink Telecom	✔	✔
	AS16735	Algar Telecom	✔	✔
	AS262504	Nova Rede de Telecomunicações Ltda	✔	✘
	AS264228	BTT TELECOMUNICACOES S.A.	✔	✘
	AS14840	BR.DIGITAL	✘	✔
	AS267613	ELETRONET S.A.	✘	✔
	AS1916	RNP - Rede Nacional de Ensino e Pesquisa	✘	✔

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Downstreams

	ASN	Description	IPv4	IPv6
	AS262504	Nova Rede de Telecomunicações Ltda	✔	✘
	AS28656	Blink Telecom	✔	✔

% 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.
% 2026-02-04T13:59:41-03:00 - 2a0c:2f07:9459:2c13::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
# Email removed, Log into bgp.tools to see whois emails/phone numbers
country:     BR
created:     20170523
changed:     20250429

nic-hdl-br:  DIJCA7
person:      Diego Jos� de Carvalho
# Email removed, Log into bgp.tools to see whois emails/phone numbers
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: 2026-02-04T16:59:41Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as52320:as-customers	1320
RADB	as-21574-customers	582
RADB	as52873:as-transit	1310
RADB	as-e1-automation-customer	4771
ALTDB	as-53062-customers	1705
RADB	as-hurricane	25057
RADB	as-durand1-customer	4959
RADB	as-ctbc-customers26	50
RADB	as-cemigtelecom-clients-of-clients	383
RADB	as53013:as-cone	9830
ALTDB	as-hwng-downstreams	2598
RADB	as-gnt-customers	1404
RADB	as-sempre-customer-28656	8
RADB	as-ctbc-tools-2	1000
ALTDB	as53062:as-mna	43
RADB	as-americantower-clients-of-clients	867
RADB	as-ufinet-latam-brasil	4935
ALTDB	as264552:as-global	8