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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
	138.121.144.0/22	Torres e Anselmi Ltda
	138.121.144.0/23	Torres e Anselmi Ltda
	138.121.146.0/23	Torres e Anselmi Ltda
	177.72.156.0/23	Torres e Anselmi Ltda
	177.72.156.0/22	Torres e Anselmi Ltda
	177.72.158.0/23	Torres e Anselmi Ltda
	2804:25a4::/32	Torres e Anselmi Ltda
	2804:25a4::/33	Torres e Anselmi Ltda
	2804:25a4:8000::/33	Torres e Anselmi Ltda

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS274685	Sernet	✔	✔
	AS267973	G.V.R. TELECOMUNICAÇÕES E SERVIÇOS LTDA - ME	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS274685	Sernet	✔	✔
	AS267973	G.V.R. TELECOMUNICAÇÕES E SERVIÇOS LTDA - ME	✔	✔
	AS6939	Hurricane Electric LLC	✘	✔
	AS14840	BR.DIGITAL	✔	✔
	AS214331	Teske Virtual System Ltda	✔	✔
	AS266400	Ferenz Networks	✔	✔
	AS269180	VIPNET Conexão	✔	✔
	AS40776	TaoNet	✔	✔
	AS2635	Automattic, Inc	✔	✔
	AS215248	Bastiaan Mathijs Brink	✔	✔
	AS264409	Huge Networks	✔	✘
	AS199524	Gcore S.A.	✘	✔
	AS263661	Brasil Digital Telecom	✔	✘
	AS262880	RADAR WISP LTDA	✔	✘
	AS60503	FNX Tecnologia LTDA	✔	✔
	AS42473	Anexia Cloud Solutions GmbH	✔	✔
	AS270684	SOLUCOES SOUZA WEB LTDA	✔	✔
	AS401661	EMBNEX, LLC	✔	✔
	AS61624	ISPSHIELD (InfNOC Tecnologia)	✔	✔
	AS14907	Wikimedia Foundation Inc.	✔	✔
	AS6424	EDGOO NETWORKS	✔	✔
	AS262287	Latitude.sh LTDA	✔	✔
	AS262462	Aranet Play	✔	✔
	AS52888	UNIVERSIDADE FEDERAL DE SAO CARLOS	✔	✔
	AS24482	SG.GS	✔	✔
	AS36236	NetActuate, Inc	✔	✔
	AS39120	Convergenze S.p.A.	✔	✔
	AS1251	FUNDAÇÃO DE AMPARO À PESQUISA DO ESTADO SÃO PAULO	✔	✔
	AS274676	MULTIWAY COMERCIO E REPRESENTACOES LTDA	✔	✔
	AS1916	RNP - Rede Nacional de Ensino e Pesquisa	✔	✔
	AS214569	Miralium Serviços em Tecnologia da Informação Ltda	✔	✔
	AS32590	Valve Corporation	✔	✔
	AS263541	IMF NETWORK DATA LTDA - ME	✔	✔
	AS13335	Cloudflare, Inc.	✔	✔
	AS269396	UNIR TELECOM	✔	✔
	AS270735	COMPUTIZE NETWORK TELECOMUNICACOES LTDA	✔	✘
	AS53062	ALT | GRUPO BRASIL TECPAR	✔	✘
	AS214757	Jakub Krsa	✘	✔
	AS263903	INFORBARRA TELECOM	✔	✘
	AS52872	VOANET Telecomunicações Ltda.	✔	✘
	AS52999	START TELECOM LTDA	✘	✔
	AS199829	Akronic Network LTDA	✘	✔
	AS262832	Link Cariri	✘	✔
	AS262589	SAMM (Internexa)	✘	✔

% 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.
% 2026-01-30T12:43:20-03:00 - 2a0c:2f07:9459:2c13::247

aut-num:     AS52821
owner:       Torres e Anselmi Ltda
ownerid:     02.327.415/0001-08
responsible: Dichenes Carlos Torres Anselmi
country:     BR
owner-c:     DCA63
routing-c:   DCA63
abuse-c:     DCA63
created:     20121010
changed:     20130306
inetnum:     177.72.156.0/22
inetnum:     138.121.144.0/22
inetnum:     2804:25a4::/32

nic-hdl-br:  DCA63
person:      Dichenes Carlos Torres Anselmi
# Email removed, Log into bgp.tools to see whois emails
country:     BR
created:     20030106
changed:     20210831

% 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: 2026-01-30T15:43:20Z UTC / (Click here to force a refresh)

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Member of the following AS-SETs

-	Member
RADB	as-flys
RADB	as-e1-automation-customer
RADB	as-hurricanev6
RADB	as-embratelnet
RADB	as-vsx
RADB	as-ctbc-tools
RADB	as28146:as-clients
RADB	as-hurricane
RADB	as-transitos
RADB	as262821:as-customers-ip
NTTCOM	as-as393742
RADB	as262865:as-customers
RADB	as-ufinet-latam-brasil
RADB	as-opcao
RADB	as53013:as-cone
RADB	as-8167_customers
ALTDB	as14868:as-customers
RADB	as-8167-bgp-customers
ALTDB	as-hwng-downstreams
RADB	as-1000-linkamerican
RADB	as-ctbc-customers84
RADB	as26615:as-customers
RADB	as-267613
RADB	as-ctbc-customers18