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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
	177.54.208.0/24	B3 S.A. Brasil, Bolsa, Balc�o
	177.54.208.0/20	B3 S.A. Brasil, Bolsa, Balc�o
	177.54.209.0/24	B3 S.A. Brasil, Bolsa, Balc�o
	177.54.210.0/24	B3 S.A. Brasil, Bolsa, Balc�o
	177.54.211.0/24	B3 S.A. Brasil, Bolsa, Balc�o
	177.54.212.0/24	B3 S.A. Brasil, Bolsa, Balc�o
	177.54.213.0/24	B3 S.A. Brasil, Bolsa, Balc�o
	177.54.214.0/23	B3 S.A. Brasil, Bolsa, Balc�o
	177.54.214.0/24	B3 S.A. Brasil, Bolsa, Balc�o
	177.54.215.0/24	B3 S.A. Brasil, Bolsa, Balc�o
	177.54.216.0/23	B3 S.A. Brasil, Bolsa, Balc�o
	177.54.216.0/24	B3 S.A. Brasil, Bolsa, Balc�o
	177.54.217.0/24	B3 S.A. Brasil, Bolsa, Balc�o
	177.54.218.0/24	B3 S.A. Brasil, Bolsa, Balc�o
	177.54.218.0/23	B3 S.A. Brasil, Bolsa, Balc�o
	177.54.219.0/24	B3 S.A. Brasil, Bolsa, Balc�o
	177.54.220.0/24	B3 S.A. Brasil, Bolsa, Balc�o
	177.54.221.0/24	B3 S.A. Brasil, Bolsa, Balc�o
	177.54.222.0/24	B3 S.A. Brasil, Bolsa, Balc�o
	177.54.223.0/24	B3 S.A. Brasil, Bolsa, Balc�o
	200.19.48.0/21	B3 S.A. Brasil, Bolsa, Balc�o
	200.19.48.0/20	B3 S.A. Brasil, Bolsa, Balc�o
	200.19.56.0/21	B3 S.A. Brasil, Bolsa, Balc�o

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Network Policy

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Prefixes in selected policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS13335	Cloudflare, Inc.	✔	✘
	AS16735	Algar Telecom	✔	✘
	AS3356	Lumen (Level 3)	✔	✘
	AS4230	Claro (Embratel)	✔	✘
	AS10429	Vivo (TELEFÔNICA BRASIL)	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS13335	Cloudflare, Inc.	✔	✘
	AS16735	Algar Telecom	✔	✘
	AS3356	Lumen (Level 3)	✔	✘
	AS4230	Claro (Embratel)	✔	✘
	AS10429	Vivo (TELEFÔNICA BRASIL)	✔	✘
	AS18881	TELEFÔNICA BRASIL LTDA	✔	✘

% IP Client: 2a0c:2f07:9459:443:0:0:0:155
 % 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.
% 2025-12-01T20:45:49-03:00 - 2a0c:2f07:9459:443::155

aut-num:     AS28596
owner:       B3 S.A. Brasil, Bolsa, Balc�o
ownerid:     09.346.601/0001-25
responsible: Gilson Finkelsztain
country:     BR
owner-c:     BADIN1
routing-c:   GETEC10
abuse-c:     BADIN1
created:     20050812
changed:     20220308
inetnum:     200.19.48.0/20
inetnum:     177.54.208.0/20
inetnum:     2801:ac::/32
inetnum:     179.127.208.0/20

nic-hdl-br:  BADIN1
person:      B3 adm dominios de Internet
# Email removed, Log into bgp.tools to see whois emails/phone numbers
country:     BR
created:     20190403
changed:     20240902

nic-hdl-br:  GETEC10
person:      Gest�o T�cnica
# Email removed, Log into bgp.tools to see whois emails/phone numbers
country:     BR
created:     20190408
changed:     20221031

% 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: 2025-12-01T23:45:49Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as53013:as-cone	9831
RADB	as-telstra-intl-customers	12432
RADB	as-tascom-customers	899
RADB	as-ufinet-latam-brasil	4935
RADB	as-durand1-customer	4960
RADB	as-uol-transit	57
RADB	as-ctbc-customers2	50
ALTDB	as-hwng-downstreams	2598
RADB	as-embratelnet	6371
ARIN	as13335:as-customers	1601
LEVEL3	as-lumen-customers-asns	10695
RADB	as-28124	865
RADB	as-ctbc-tools-4	999
RADB	as-as10429-clientes	537
RADB	as-kddcustomer2	8206