
28130 CERTTO TELECOMUNICACOES LTDA EPP., BR
Adjacency: 6 Upstream: 2 Downstream: 4
Upstream Adjacent AS list
AS264409 GRUPO YAX, BR
AS3356 LEVEL3 - Level 3 Parent, LLC, US
Downstream Adjacent AS list
AS263002 ORSSATTO TELECOM TELECOMUNICACOES - EIRELI, BR
AS271171 Mercodata Engenharia de Sistemas Ltda, BR
AS266354 KSNET EIRELI - ME, BR
AS52594 VISALINK SERVICOS DE COMUNICACAO LTDA., BR
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 4294 AS28130 ORG+TRN Originate: 51712 /16.34 Transit: 7168 /19.19 CERTTO TELECOMUNICACOES LTDA EPP., 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 % 724 AS28130 CERTTO TELECOMUNICACOES LTDA EPP., BR 95 91 2 6 89 93.68% Prefix AS Path Aggregation Suggestion 138.99.248.0/22 4777 2497 3356 28130 138.99.248.0/23 4777 2497 3356 28130 - Withdrawn - matching aggregate 138.99.248.0/22 4777 2497 3356 28130 138.99.248.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 138.99.248.0/22 4777 2497 3356 28130 138.99.249.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 138.99.248.0/22 4777 2497 3356 28130 138.99.250.0/23 4777 2497 3356 28130 - Withdrawn - matching aggregate 138.99.248.0/22 4777 2497 3356 28130 138.99.250.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 138.99.248.0/22 4777 2497 3356 28130 138.99.251.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 138.99.248.0/22 4777 2497 3356 28130 143.208.40.0/22 4777 2497 3356 28130 143.208.40.0/23 4777 2497 3356 28130 - Withdrawn - matching aggregate 143.208.40.0/22 4777 2497 3356 28130 143.208.40.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 143.208.40.0/22 4777 2497 3356 28130 143.208.41.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 143.208.40.0/22 4777 2497 3356 28130 143.208.42.0/23 4777 2497 3356 28130 - Withdrawn - matching aggregate 143.208.40.0/22 4777 2497 3356 28130 143.208.42.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 143.208.40.0/22 4777 2497 3356 28130 143.208.43.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 143.208.40.0/22 4777 2497 3356 28130 170.150.164.0/22 4777 2497 3356 28130 170.150.164.0/23 4777 2497 3356 28130 - Withdrawn - matching aggregate 170.150.164.0/22 4777 2497 3356 28130 170.150.164.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 170.150.164.0/22 4777 2497 3356 28130 170.150.165.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 170.150.164.0/22 4777 2497 3356 28130 170.150.166.0/23 4777 2497 3356 28130 - Withdrawn - matching aggregate 170.150.164.0/22 4777 2497 3356 28130 170.150.166.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 170.150.164.0/22 4777 2497 3356 28130 170.150.167.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 170.150.164.0/22 4777 2497 3356 28130 186.227.96.0/20 4777 2497 3356 28130 + Announce - aggregate of 186.227.96.0/21 (4777 2497 3356 28130) and 186.227.104.0/21 (4777 2497 3356 28130) 186.227.96.0/21 4777 2497 3356 28130 - Withdrawn - aggregated with 186.227.104.0/21 (4777 2497 3356 28130) 186.227.96.0/22 4777 2497 3356 28130 - Withdrawn - matching aggregate 186.227.96.0/21 4777 2497 3356 28130 186.227.96.0/23 4777 2497 3356 28130 - Withdrawn - matching aggregate 186.227.96.0/21 4777 2497 3356 28130 186.227.96.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 186.227.96.0/21 4777 2497 3356 28130 186.227.97.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 186.227.96.0/21 4777 2497 3356 28130 186.227.98.0/23 4777 2497 3356 28130 - Withdrawn - matching aggregate 186.227.96.0/21 4777 2497 3356 28130 186.227.98.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 186.227.96.0/21 4777 2497 3356 28130 186.227.99.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 186.227.96.0/21 4777 2497 3356 28130 186.227.100.0/22 4777 2497 3356 28130 - Withdrawn - matching aggregate 186.227.96.0/21 4777 2497 3356 28130 186.227.100.0/23 4777 2497 3356 28130 - Withdrawn - matching aggregate 186.227.96.0/21 4777 2497 3356 28130 186.227.100.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 186.227.96.0/21 4777 2497 3356 28130 186.227.101.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 186.227.96.0/21 4777 2497 3356 28130 186.227.102.0/23 4777 2497 3356 28130 - Withdrawn - matching aggregate 186.227.96.0/21 4777 2497 3356 28130 186.227.102.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 186.227.96.0/21 4777 2497 3356 28130 186.227.103.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 186.227.96.0/21 4777 2497 3356 28130 186.227.104.0/21 4777 2497 3356 28130 - Withdrawn - aggregated with 186.227.96.0/21 (4777 2497 3356 28130) 186.227.104.0/22 4777 2497 3356 28130 - Withdrawn - matching aggregate 186.227.104.0/21 4777 2497 3356 28130 186.227.104.0/23 4777 2497 3356 28130 - Withdrawn - matching aggregate 186.227.104.0/21 4777 2497 3356 28130 186.227.104.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 186.227.104.0/21 4777 2497 3356 28130 186.227.105.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 186.227.104.0/21 4777 2497 3356 28130 186.227.106.0/23 4777 2497 3356 28130 - Withdrawn - matching aggregate 186.227.104.0/21 4777 2497 3356 28130 186.227.106.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 186.227.104.0/21 4777 2497 3356 28130 186.227.107.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 186.227.104.0/21 4777 2497 3356 28130 186.227.108.0/22 4777 2497 3356 28130 - Withdrawn - matching aggregate 186.227.104.0/21 4777 2497 3356 28130 186.227.108.0/23 4777 2497 3356 28130 - Withdrawn - matching aggregate 186.227.104.0/21 4777 2497 3356 28130 186.227.108.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 186.227.104.0/21 4777 2497 3356 28130 186.227.109.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 186.227.104.0/21 4777 2497 3356 28130 186.227.110.0/23 4777 2497 3356 28130 - Withdrawn - matching aggregate 186.227.104.0/21 4777 2497 3356 28130 186.227.110.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 186.227.104.0/21 4777 2497 3356 28130 186.227.111.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 186.227.104.0/21 4777 2497 3356 28130 186.251.144.0/21 4777 2497 3356 28130 + Announce - aggregate of 186.251.144.0/22 (4777 2497 3356 28130) and 186.251.148.0/22 (4777 2497 3356 28130) 186.251.144.0/22 4777 2497 3356 28130 - Withdrawn - aggregated with 186.251.148.0/22 (4777 2497 3356 28130) 186.251.144.0/23 4777 2497 3356 28130 - Withdrawn - matching aggregate 186.251.144.0/22 4777 2497 3356 28130 186.251.144.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 186.251.144.0/22 4777 2497 3356 28130 186.251.145.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 186.251.144.0/22 4777 2497 3356 28130 186.251.146.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 186.251.144.0/22 4777 2497 3356 28130 186.251.147.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 186.251.144.0/22 4777 2497 3356 28130 186.251.148.0/22 4777 2497 3356 28130 - Withdrawn - aggregated with 186.251.144.0/22 (4777 2497 3356 28130) 186.251.148.0/23 4777 2497 3356 28130 - Withdrawn - matching aggregate 186.251.148.0/22 4777 2497 3356 28130 186.251.148.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 186.251.148.0/22 4777 2497 3356 28130 186.251.149.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 186.251.148.0/22 4777 2497 3356 28130 186.251.150.0/23 4777 2497 3356 28130 - Withdrawn - matching aggregate 186.251.148.0/22 4777 2497 3356 28130 186.251.150.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 186.251.148.0/22 4777 2497 3356 28130 186.251.151.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 186.251.148.0/22 4777 2497 3356 28130 187.19.96.0/20 4777 2497 3356 28130 187.19.96.0/21 4777 2497 3356 28130 - Withdrawn - matching aggregate 187.19.96.0/20 4777 2497 3356 28130 187.19.96.0/22 4777 2497 3356 28130 - Withdrawn - matching aggregate 187.19.96.0/20 4777 2497 3356 28130 187.19.96.0/23 4777 2497 3356 28130 - Withdrawn - matching aggregate 187.19.96.0/20 4777 2497 3356 28130 187.19.96.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 187.19.96.0/20 4777 2497 3356 28130 187.19.97.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 187.19.96.0/20 4777 2497 3356 28130 187.19.98.0/23 4777 2497 3356 28130 - Withdrawn - matching aggregate 187.19.96.0/20 4777 2497 3356 28130 187.19.98.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 187.19.96.0/20 4777 2497 3356 28130 187.19.99.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 187.19.96.0/20 4777 2497 3356 28130 187.19.100.0/22 4777 2497 3356 28130 - Withdrawn - matching aggregate 187.19.96.0/20 4777 2497 3356 28130 187.19.100.0/23 4777 2497 3356 28130 - Withdrawn - matching aggregate 187.19.96.0/20 4777 2497 3356 28130 187.19.100.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 187.19.96.0/20 4777 2497 3356 28130 187.19.101.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 187.19.96.0/20 4777 2497 3356 28130 187.19.102.0/23 4777 2497 3356 28130 - Withdrawn - matching aggregate 187.19.96.0/20 4777 2497 3356 28130 187.19.102.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 187.19.96.0/20 4777 2497 3356 28130 187.19.103.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 187.19.96.0/20 4777 2497 3356 28130 187.19.104.0/21 4777 2497 3356 28130 - Withdrawn - matching aggregate 187.19.96.0/20 4777 2497 3356 28130 187.19.104.0/22 4777 2497 3356 28130 - Withdrawn - matching aggregate 187.19.96.0/20 4777 2497 3356 28130 187.19.104.0/23 4777 2497 3356 28130 - Withdrawn - matching aggregate 187.19.96.0/20 4777 2497 3356 28130 187.19.104.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 187.19.96.0/20 4777 2497 3356 28130 187.19.105.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 187.19.96.0/20 4777 2497 3356 28130 187.19.106.0/23 4777 2497 3356 28130 - Withdrawn - matching aggregate 187.19.96.0/20 4777 2497 3356 28130 187.19.106.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 187.19.96.0/20 4777 2497 3356 28130 187.19.107.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 187.19.96.0/20 4777 2497 3356 28130 187.19.108.0/22 4777 2497 3356 28130 - Withdrawn - matching aggregate 187.19.96.0/20 4777 2497 3356 28130 187.19.108.0/23 4777 2497 3356 28130 - Withdrawn - matching aggregate 187.19.96.0/20 4777 2497 3356 28130 187.19.108.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 187.19.96.0/20 4777 2497 3356 28130 187.19.109.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 187.19.96.0/20 4777 2497 3356 28130 187.19.110.0/23 4777 2497 3356 28130 - Withdrawn - matching aggregate 187.19.96.0/20 4777 2497 3356 28130 187.19.110.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 187.19.96.0/20 4777 2497 3356 28130 187.19.111.0/24 4777 2497 3356 28130 - Withdrawn - matching aggregate 187.19.96.0/20 4777 2497 3356 28130
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS28130 89 More Specifics 95 Total Advertisements CERTTO TELECOMUNICACOES LTDA EPP., BR
138.99.248.0/23 138.99.248.0/22
138.99.248.0/24 138.99.248.0/22
138.99.249.0/24 138.99.248.0/22
138.99.250.0/23 138.99.248.0/22
138.99.250.0/24 138.99.248.0/22
138.99.251.0/24 138.99.248.0/22
143.208.40.0/23 143.208.40.0/22
143.208.40.0/24 143.208.40.0/22
143.208.41.0/24 143.208.40.0/22
143.208.42.0/23 143.208.40.0/22
143.208.42.0/24 143.208.40.0/22
143.208.43.0/24 143.208.40.0/22
170.150.164.0/23 170.150.164.0/22
170.150.164.0/24 170.150.164.0/22
170.150.165.0/24 170.150.164.0/22
170.150.166.0/23 170.150.164.0/22
170.150.166.0/24 170.150.164.0/22
170.150.167.0/24 170.150.164.0/22
186.227.96.0/21 186.227.96.0/20
186.227.96.0/22 186.227.96.0/20
186.227.96.0/23 186.227.96.0/20
186.227.96.0/24 186.227.96.0/20
186.227.97.0/24 186.227.96.0/20
186.227.98.0/23 186.227.96.0/20
186.227.98.0/24 186.227.96.0/20
186.227.99.0/24 186.227.96.0/20
186.227.100.0/22 186.227.96.0/20
186.227.100.0/23 186.227.96.0/20
186.227.100.0/24 186.227.96.0/20
186.227.101.0/24 186.227.96.0/20
186.227.102.0/23 186.227.96.0/20
186.227.102.0/24 186.227.96.0/20
186.227.103.0/24 186.227.96.0/20
186.227.104.0/21 186.227.96.0/20
186.227.104.0/22 186.227.96.0/20
186.227.104.0/23 186.227.96.0/20
186.227.104.0/24 186.227.96.0/20
186.227.105.0/24 186.227.96.0/20
186.227.106.0/23 186.227.96.0/20
186.227.106.0/24 186.227.96.0/20
186.227.107.0/24 186.227.96.0/20
186.227.108.0/22 186.227.96.0/20
186.227.108.0/23 186.227.96.0/20
186.227.108.0/24 186.227.96.0/20
186.227.109.0/24 186.227.96.0/20
186.227.110.0/23 186.227.96.0/20
186.227.110.0/24 186.227.96.0/20
186.227.111.0/24 186.227.96.0/20
186.251.144.0/23 186.251.144.0/22
186.251.144.0/24 186.251.144.0/22
186.251.145.0/24 186.251.144.0/22
186.251.146.0/24 186.251.144.0/22
186.251.147.0/24 186.251.144.0/22
186.251.148.0/23 186.251.148.0/22
186.251.148.0/24 186.251.148.0/22
186.251.149.0/24 186.251.148.0/22
186.251.150.0/23 186.251.148.0/22
186.251.150.0/24 186.251.148.0/22
186.251.151.0/24 186.251.148.0/22
187.19.96.0/21 187.19.96.0/20
187.19.96.0/22 187.19.96.0/20
187.19.96.0/23 187.19.96.0/20
187.19.96.0/24 187.19.96.0/20
187.19.97.0/24 187.19.96.0/20
187.19.98.0/23 187.19.96.0/20
187.19.98.0/24 187.19.96.0/20
187.19.99.0/24 187.19.96.0/20
187.19.100.0/22 187.19.96.0/20
187.19.100.0/23 187.19.96.0/20
187.19.100.0/24 187.19.96.0/20
187.19.101.0/24 187.19.96.0/20
187.19.102.0/23 187.19.96.0/20
187.19.102.0/24 187.19.96.0/20
187.19.103.0/24 187.19.96.0/20
187.19.104.0/21 187.19.96.0/20
187.19.104.0/22 187.19.96.0/20
187.19.104.0/23 187.19.96.0/20
187.19.104.0/24 187.19.96.0/20
187.19.105.0/24 187.19.96.0/20
187.19.106.0/23 187.19.96.0/20
187.19.106.0/24 187.19.96.0/20
187.19.107.0/24 187.19.96.0/20
187.19.108.0/22 187.19.96.0/20
187.19.108.0/23 187.19.96.0/20
187.19.108.0/24 187.19.96.0/20
187.19.109.0/24 187.19.96.0/20
187.19.110.0/23 187.19.96.0/20
187.19.110.0/24 187.19.96.0/20
187.19.111.0/24 187.19.96.0/20
whois: 402332
IANA has recorded AS28130 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS28130\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.
% 2026-03-31T04:50:07-03:00 - 2401:2000:6660::13
aut-num: AS28130
owner: CERTTO TELECOMUNICA��ES LTDA EPP.
ownerid: 00.796.307/0001-40
responsible: Luis Roberto Zart Olanyk
country: BR
owner-c: LRO
routing-c: LRO
abuse-c: LRO
created: 20081230
changed: 20230327
inetnum: 187.19.96.0/20
inetnum: 186.227.96.0/20
inetnum: 2804:1cc::/32
inetnum: 138.99.248.0/22
inetnum: 143.208.40.0/22
inetnum: 170.150.164.0/22
inetnum: 186.251.144.0/22
inetnum: 186.251.148.0/22
inetnum: 2804:2b8::/32
as-in: from AS8167 100 accept ANY
as-in: from AS18881 100 accept ANY
as-in: from AS262968 100 accept AS262968
as-out: to AS262968 announce ANY
as-out: to AS8167 announce AS28130 AS262968
as-out: to AS18881 announce AS28130 AS262968
nic-hdl-br: LRO
person: Luis Roberto Zart Olanyk
e-mail: luis.olanyk@certto.com.br
country: BR
created: 19971219
changed: 20230705
% 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.