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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
	138.97.76.0/24	ALVES E ALCANTARA LTDA
	138.97.76.0/22	ALVES E ALCANTARA LTDA
	138.97.77.0/24	ALVES E ALCANTARA LTDA
	138.97.78.0/24	ALVES E ALCANTARA LTDA
	138.97.79.0/24	ALVES E ALCANTARA LTDA
	179.48.0.0/24	A4 TELECOM PROVEDOR DE ACESSO
	179.48.0.0/22	A4 TELECOM PROVEDOR DE ACESSO
	179.48.1.0/24	-
	179.48.2.0/24	A4 TELECOM PROVEDOR DE ACESSO
	179.48.3.0/24	A4 TELECOM PROVEDOR DE ACESSO
	2804:75c8::/33	A4 TELECOM PROVEDOR DE ACESSO
	2804:75c8::/32	A4 TELECOM PROVEDOR DE ACESSO
	2804:75c8:8000::/33	A4 TELECOM PROVEDOR DE ACESSO

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS265038	TELFO SERVICO DE TELECOMUNICACOES LTDA	✔	✔
	AS37468	Angola Cables	✔	✘
	AS265061	GC NET	✔	✔
	AS1031	PEER 1031 LLC	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS6939	Hurricane Electric LLC	✔	✔
	AS37468	Angola Cables	✔	✘
	AS265038	TELFO SERVICO DE TELECOMUNICACOES LTDA	✔	✔
	AS265061	GC NET	✔	✔
	AS1031	PEER 1031 LLC	✔	✔
	AS199524	Gcore S.A.	✔	✔
	AS7195	EdgeUno	✔	✔
	AS35280	F5 Networks SARL	✔	✔
	AS14840	BR.DIGITAL	✔	✔
	AS33891	Core-Backbone GmbH	✔	✘
	AS9498	Bharti Airtel Ltd.	✔	✘
	AS24961	WIIT AG (fka. myLoc Managed IT AG)	✔	✘
	AS214331	Teske Virtual System Ltda	✔	✔
	AS14537	Continent 8 LLC	✔	✔
	AS52320	V.tal (GlobeNet)	✔	✔
	AS271253	LINK BRASIL TELECOMUNICACOES LTDA	✔	✔
	AS24940	Hetzner Online GmbH	✔	✘
	AS328366	FIRSTNET TECHNOLOGY SERVICES (PTY) LTD	✔	✘
	AS266400	Ferenz Networks	✔	✔
	AS215248	Bastiaan Mathijs Brink	✔	✔
	AS2635	Automattic, Inc	✔	✔
	AS40776	TaoNet	✔	✔
	AS13335	Cloudflare, Inc.	✔	✔
	AS269180	VIPNET Conexão	✔	✔
	AS3303	Swisscom (Schweiz) AG	✔	✘
	AS52999	START TELECOM LTDA	✔	✔
	AS263903	INFORBARRA TELECOM	✔	✔
	AS49544	i3D.net B.V	✔	✔
	AS61680	ACESSO SIMPLES LTDA	✔	✔
	AS262880	RADAR WISP LTDA	✔	✘
	AS52925	Ascenty Data Centers e Telecomunicações S/A	✔	✘
	AS60503	FNX Tecnologia LTDA	✔	✔
	AS267613	ELETRONET S.A.	✔	✔
	AS262287	Latitude.sh LTDA	✔	✔
	AS213622	Falcon FZE LLC	✔	✔
	AS269641	RURALNET BRASIL	✔	✔
	AS6057	Administracion Nacional de Telecomunicaciones	✔	✔
	AS270684	SOLUCOES SOUZA WEB LTDA	✔	✔
	AS24482	SG.GS	✔	✔
	AS269396	UNIR TELECOM	✔	✔
	AS52888	UNIVERSIDADE FEDERAL DE SAO CARLOS	✔	✔
	AS270824	ENX Services	✔	✔
	AS274676	MULTIWAY COMERCIO E REPRESENTACOES LTDA	✔	✔
	AS32590	Valve Corporation	✔	✔
	AS42473	Anexia Cloud Solutions GmbH	✔	✔
	AS401661	EMBNEX, LLC	✔	✔
	AS61624	ISPSHIELD (InfNOC Tecnologia)	✔	✔
	AS1916	RNP - Rede Nacional de Ensino e Pesquisa	✔	✔
	AS14907	Wikimedia Foundation Inc.	✔	✔
	AS263152	MIGO TELECOM	✔	✔
	AS262462	Aranet Play	✔	✔
	AS39120	Convergenze S.p.A.	✔	✔
	AS6424	EDGOO NETWORKS	✔	✔
	AS1251	FUNDAÇÃO DE AMPARO À PESQUISA DO ESTADO SÃO PAULO	✔	✔
	AS36236	NetActuate, Inc	✔	✔
	AS263541	IMF NETWORK DATA LTDA - ME	✔	✔
	AS263444	Open X Tecnologia Ltda	✔	✔
	AS266196	BRASCOM SOLUCOES E TECNOLOGIA LTDA ME	✔	✔
	AS265169	VIPNETT TELECOM	✔	✘
	AS263661	Brasil Digital Telecom	✔	✘
	AS264409	Huge Networks	✔	✘
	AS270735	COMPUTIZE NETWORK TELECOMUNICACOES LTDA	✔	✘
	AS53062	ALT | GRUPO BRASIL TECPAR	✔	✘
	AS999	CORIX NETWORKS	✔	✘
	AS270470	LN TELECOM	✔	✔
	AS262999	IVI TECNOLOGIA E COMUNICAÇÃO LTDA	✔	✘
	AS28283	Adyl Telecom	✔	✔
	AS200052	Feral.io Ltd	✔	✘
	AS22356	Durand do Brasil Ltda	✔	✘
	AS269070	Hostzone Tecnologia LTDA	✔	✘
	AS15169	Google LLC	✔	✔
	AS1828	PacketFabric / Unitas Global	✔	✘
	AS214757	Jakub Krsa	✘	✔
	AS1820	WNET TELECOM USA Corp.	✔	✘
	AS199829	Akronic Network LTDA	✘	✔
	AS200464	PAULO HENRIQUE SILVA DE OLIVEIRA	✘	✔

% 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.
% 2026-04-19T00:30:55-03:00 - 2a0c:2f07:9459:2c13::247

aut-num:     AS271069
owner:       A4 TELECOM SERVICOS DE TELECOMUNICACAO LTDA
ownerid:     61.187.303/0001-50
responsible: Jessica Lima da Silva
country:     BR
owner-c:     JELSI227
routing-c:   JELSI227
abuse-c:     JELSI227
created:     20200804
changed:     20260114
inetnum:     179.48.0.0/22
inetnum:     2804:75c8::/32
inetnum:     138.97.76.0/22

nic-hdl-br:  JELSI227
person:      Jessica Lima da Silva
# Email removed, Log into bgp.tools to see whois emails/phone numbers
country:     BR
created:     20200328
changed:     20240712

% 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: 2026-04-19T03:30:55Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-ctbc-tools-11	396
ALTDB	as-a4telecom	1
RADB	as-mob-customer-as61832	1687
RADB	as61568:as-aloo-telecom	2233
RADB	as-fortel-customers	3689
RADB	as-ctbc-customers196	51
RADB	as-hurricanev6	21157
RADB	as-53427-tglobal	2374
RADB	as53013:as-cone	9831
RADB	as-mob-customer-as269163	2
RADB	as-1telecom-customers01	1487
RADB	as-embratelnet	6371
ALTDB	as-gcnetprovedor-customers	73
RADB	as-mob-customer-as265061	46
RADB	as264409:as-cone	2120