28596 AS28596 - B3 S.A. Brasil, Bolsa, Balcao, BR
Adjacency: 4 Upstream: 4 Downstream: 0
Upstream Adjacent AS list
AS13335 CLOUDFLARENET - Cloudflare, Inc., US
AS3356 LEVEL3 - Level 3 Parent, LLC, US
AS4230 AS4230 - CLARO S.A., BR
AS16735 AS16735 - ALGAR TELECOM S/A, BR
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 7299 AS28596 ORIGIN Originate: 17920 /17.87 Transit: 0 /0.00 AS28596 - B3 S.A. Brasil, Bolsa, Balcao, BR
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 4564 AS28596 AS28596 - B3 S.A. Brasil, Bolsa, Balcao, BR 23 18 7 12 11 47.83% Prefix AS Path Aggregation Suggestion 177.54.208.0/20 4777 2516 3356 28596 177.54.208.0/22 4608 13335 28596 + Announce - aggregate of 177.54.208.0/23 (4608 13335 28596) and 177.54.210.0/23 (4608 13335 28596) 177.54.208.0/24 4608 13335 28596 - Withdrawn - aggregated with 177.54.209.0/24 (4608 13335 28596) 177.54.209.0/24 4608 13335 28596 - Withdrawn - aggregated with 177.54.208.0/24 (4608 13335 28596) 177.54.210.0/24 4608 13335 28596 - Withdrawn - aggregated with 177.54.211.0/24 (4608 13335 28596) 177.54.211.0/24 4608 13335 28596 - Withdrawn - aggregated with 177.54.210.0/24 (4608 13335 28596) 177.54.212.0/23 4608 13335 28596 + Announce - aggregate of 177.54.212.0/24 (4608 13335 28596) and 177.54.213.0/24 (4608 13335 28596) 177.54.212.0/24 4608 13335 28596 - Withdrawn - aggregated with 177.54.213.0/24 (4608 13335 28596) 177.54.213.0/24 4608 13335 28596 - Withdrawn - aggregated with 177.54.212.0/24 (4608 13335 28596) 177.54.214.0/23 4777 2516 4230 28596 177.54.214.0/23 4608 13335 28596 + Announce - aggregate of 177.54.214.0/24 (4608 13335 28596) and 177.54.215.0/24 (4608 13335 28596) 177.54.214.0/24 4608 13335 28596 - Withdrawn - aggregated with 177.54.215.0/24 (4608 13335 28596) 177.54.215.0/24 4608 13335 28596 - Withdrawn - aggregated with 177.54.214.0/24 (4608 13335 28596) 177.54.216.0/23 4777 2516 6762 16735 28596 177.54.216.0/23 4608 13335 28596 + Announce - aggregate of 177.54.216.0/24 (4608 13335 28596) and 177.54.217.0/24 (4608 13335 28596) 177.54.216.0/24 4608 13335 28596 - Withdrawn - aggregated with 177.54.217.0/24 (4608 13335 28596) 177.54.217.0/24 4608 13335 28596 - Withdrawn - aggregated with 177.54.216.0/24 (4608 13335 28596) 177.54.218.0/23 4777 2516 6762 16735 28596 177.54.218.0/23 4608 13335 28596 + Announce - aggregate of 177.54.218.0/24 (4608 13335 28596) and 177.54.219.0/24 (4608 13335 28596) 177.54.218.0/24 4608 13335 28596 - Withdrawn - aggregated with 177.54.219.0/24 (4608 13335 28596) 177.54.219.0/24 4608 13335 28596 - Withdrawn - aggregated with 177.54.218.0/24 (4608 13335 28596) 177.54.220.0/22 4608 13335 28596 + Announce - aggregate of 177.54.220.0/23 (4608 13335 28596) and 177.54.222.0/23 (4608 13335 28596) 177.54.220.0/24 4608 13335 28596 - Withdrawn - aggregated with 177.54.221.0/24 (4608 13335 28596) 177.54.221.0/24 4608 13335 28596 - Withdrawn - aggregated with 177.54.220.0/24 (4608 13335 28596) 177.54.222.0/24 4608 13335 28596 - Withdrawn - aggregated with 177.54.223.0/24 (4608 13335 28596) 177.54.223.0/24 4608 13335 28596 - Withdrawn - aggregated with 177.54.222.0/24 (4608 13335 28596) 200.19.48.0/20 4777 2516 3356 28596 200.19.48.0/20 4608 13335 28596 + Announce - aggregate of 200.19.48.0/21 (4608 13335 28596) and 200.19.56.0/21 (4608 13335 28596) 200.19.48.0/21 4608 13335 28596 - Withdrawn - aggregated with 200.19.56.0/21 (4608 13335 28596) 200.19.56.0/21 4608 13335 28596 - Withdrawn - aggregated with 200.19.48.0/21 (4608 13335 28596)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS28596 21 More Specifics 23 Total Advertisements AS28596 - B3 S.A. Brasil, Bolsa, Balcao, BR
177.54.208.0/24 177.54.208.0/20
177.54.209.0/24 177.54.208.0/20
177.54.210.0/24 177.54.208.0/20
177.54.211.0/24 177.54.208.0/20
177.54.212.0/24 177.54.208.0/20
177.54.213.0/24 177.54.208.0/20
177.54.214.0/23 177.54.208.0/20
177.54.214.0/24 177.54.208.0/20
177.54.215.0/24 177.54.208.0/20
177.54.216.0/23 177.54.208.0/20
177.54.216.0/24 177.54.208.0/20
177.54.217.0/24 177.54.208.0/20
177.54.218.0/23 177.54.208.0/20
177.54.218.0/24 177.54.208.0/20
177.54.219.0/24 177.54.208.0/20
177.54.220.0/24 177.54.208.0/20
177.54.221.0/24 177.54.208.0/20
177.54.222.0/24 177.54.208.0/20
177.54.223.0/24 177.54.208.0/20
200.19.48.0/21 200.19.48.0/20
200.19.56.0/21 200.19.48.0/20
whois: 402613
IANA has recorded AS28596 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS28596\n % IP Client: 2401:2000:6660::13
% 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.
% 2026-06-12T18:40:05-03:00 - 2401:2000:6660::13
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
e-mail: adm_dominios@b3.com.br
country: BR
created: 20190403
changed: 20240902
nic-hdl-br: GETEC10
person: Gest�o T�cnica
e-mail: tecnico_dominios@b3.com.br
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.