28209 Under Servicos de Internet Ltda, BR
Adjacency: 6 Upstream: 3 Downstream: 3
Upstream Adjacent AS list
AS6939 HURRICANE, US
AS3356 LEVEL3, US
AS264409 GRUPO YAX, BR
Downstream Adjacent AS list
AS26615 TIM SA, BR
AS28138 WIRELESSNET INTERNET SOLUTIONS LTDA - ME, BR
AS265380 WSU Tecnologia Ltda, BR
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 4469 AS28209 ORG+TRN Originate: 48128 /16.45 Transit: 768 /22.42 Under Servicos de Internet Ltda, 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 % 2462 AS28209 Under Servicos de Internet Ltda, BR 37 25 2 14 23 62.16% Prefix AS Path Aggregation Suggestion 177.70.0.0/19 6939 28209 177.70.0.0/20 6939 28209 - Withdrawn - matching aggregate 177.70.0.0/19 6939 28209 177.70.0.0/22 6939 28209 - Withdrawn - matching aggregate 177.70.0.0/19 6939 28209 177.70.4.0/22 6939 28209 - Withdrawn - matching aggregate 177.70.0.0/19 6939 28209 177.70.4.0/23 6939 28209 - Withdrawn - matching aggregate 177.70.0.0/19 6939 28209 177.70.8.0/22 6939 28209 - Withdrawn - matching aggregate 177.70.0.0/19 6939 28209 177.70.12.0/22 6939 28209 - Withdrawn - matching aggregate 177.70.0.0/19 6939 28209 177.70.16.0/20 6939 28209 - Withdrawn - matching aggregate 177.70.0.0/19 6939 28209 177.70.20.0/22 6939 28209 - Withdrawn - matching aggregate 177.70.0.0/19 6939 28209 177.70.24.0/22 6939 28209 - Withdrawn - matching aggregate 177.70.0.0/19 6939 28209 177.70.24.0/23 6939 28209 - Withdrawn - matching aggregate 177.70.0.0/19 6939 28209 177.70.28.0/22 6939 28209 - Withdrawn - matching aggregate 177.70.0.0/19 6939 28209 179.127.0.0/21 6939 28209 + Announce - aggregate of 179.127.0.0/22 (6939 28209) and 179.127.4.0/22 (6939 28209) 179.127.0.0/22 6939 28209 - Withdrawn - aggregated with 179.127.4.0/22 (6939 28209) 179.127.4.0/22 6939 28209 - Withdrawn - aggregated with 179.127.0.0/22 (6939 28209) 179.127.8.0/23 6939 28209 179.127.10.0/23 6939 3356 28209 179.127.12.0/23 6939 28209 179.127.14.0/23 6939 3356 28209 179.127.16.0/21 6939 3356 28209 + Announce - aggregate of 179.127.16.0/22 (6939 3356 28209) and 179.127.20.0/22 (6939 3356 28209) 179.127.16.0/22 6939 3356 28209 - Withdrawn - aggregated with 179.127.20.0/22 (6939 3356 28209) 179.127.16.0/23 6939 3356 28209 - Withdrawn - matching aggregate 179.127.16.0/22 6939 3356 28209 179.127.18.0/23 6939 3356 28209 - Withdrawn - matching aggregate 179.127.16.0/22 6939 3356 28209 179.127.20.0/22 6939 3356 28209 - Withdrawn - aggregated with 179.127.16.0/22 (6939 3356 28209) 179.127.20.0/23 6939 3356 28209 - Withdrawn - matching aggregate 179.127.20.0/22 6939 3356 28209 179.127.22.0/23 6939 3356 28209 - Withdrawn - matching aggregate 179.127.20.0/22 6939 3356 28209 179.127.24.0/22 57866 3356 28209 179.127.28.0/22 6939 3356 28209 179.127.31.0/24 3257 264409 28209 189.113.0.0/20 6939 28209 189.113.0.0/21 6939 28209 - Withdrawn - matching aggregate 189.113.0.0/20 6939 28209 189.113.0.0/22 6939 28209 - Withdrawn - matching aggregate 189.113.0.0/20 6939 28209 189.113.4.0/22 6939 28209 - Withdrawn - matching aggregate 189.113.0.0/20 6939 28209 189.113.5.0/24 57866 3356 28209 189.113.8.0/21 6939 28209 - Withdrawn - matching aggregate 189.113.0.0/20 6939 28209 189.113.8.0/22 6939 28209 - Withdrawn - matching aggregate 189.113.0.0/20 6939 28209 189.113.12.0/22 6939 28209 - Withdrawn - matching aggregate 189.113.0.0/20 6939 28209 189.113.14.0/24 6939 264409 28209 190.89.238.0/24 3741 3356 28209 28209 28209 28209 28209 28209 28209 28209 28209
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS28209 92 More Specifics 94 Total Advertisements Under Servicos de Internet Ltda, BR
177.70.0.0/20 177.70.0.0/19
177.70.0.0/22 177.70.0.0/19
177.70.0.0/24 177.70.0.0/19
177.70.1.0/24 177.70.0.0/19
177.70.2.0/24 177.70.0.0/19
177.70.3.0/24 177.70.0.0/19
177.70.4.0/22 177.70.0.0/19
177.70.4.0/24 177.70.0.0/19
177.70.5.0/24 177.70.0.0/19
177.70.6.0/24 177.70.0.0/19
177.70.7.0/24 177.70.0.0/19
177.70.8.0/22 177.70.0.0/19
177.70.8.0/24 177.70.0.0/19
177.70.9.0/24 177.70.0.0/19
177.70.10.0/24 177.70.0.0/19
177.70.11.0/24 177.70.0.0/19
177.70.12.0/22 177.70.0.0/19
177.70.12.0/24 177.70.0.0/19
177.70.13.0/24 177.70.0.0/19
177.70.14.0/24 177.70.0.0/19
177.70.15.0/24 177.70.0.0/19
177.70.16.0/20 177.70.0.0/19
177.70.16.0/24 177.70.0.0/19
177.70.17.0/24 177.70.0.0/19
177.70.18.0/24 177.70.0.0/19
177.70.19.0/24 177.70.0.0/19
177.70.20.0/22 177.70.0.0/19
177.70.20.0/24 177.70.0.0/19
177.70.21.0/24 177.70.0.0/19
177.70.22.0/24 177.70.0.0/19
177.70.23.0/24 177.70.0.0/19
177.70.24.0/22 177.70.0.0/19
177.70.24.0/24 177.70.0.0/19
177.70.25.0/24 177.70.0.0/19
177.70.26.0/24 177.70.0.0/19
177.70.27.0/24 177.70.0.0/19
177.70.28.0/22 177.70.0.0/19
177.70.28.0/24 177.70.0.0/19
177.70.29.0/24 177.70.0.0/19
177.70.30.0/24 177.70.0.0/19
177.70.31.0/24 177.70.0.0/19
179.127.0.0/20 179.127.0.0/19
179.127.0.0/22 179.127.0.0/19
179.127.0.0/24 179.127.0.0/19
179.127.1.0/24 179.127.0.0/19
179.127.2.0/24 179.127.0.0/19
179.127.3.0/24 179.127.0.0/19
179.127.4.0/22 179.127.0.0/19
179.127.4.0/24 179.127.0.0/19
179.127.5.0/24 179.127.0.0/19
179.127.6.0/24 179.127.0.0/19
179.127.7.0/24 179.127.0.0/19
179.127.8.0/22 179.127.0.0/19
179.127.8.0/24 179.127.0.0/19
179.127.9.0/24 179.127.0.0/19
179.127.10.0/23 179.127.0.0/19
179.127.12.0/22 179.127.0.0/19
179.127.12.0/24 179.127.0.0/19
179.127.13.0/24 179.127.0.0/19
179.127.14.0/24 179.127.0.0/19
179.127.15.0/24 179.127.0.0/19
179.127.16.0/22 179.127.0.0/19
179.127.20.0/22 179.127.0.0/19
179.127.24.0/22 179.127.0.0/19
179.127.24.0/24 179.127.0.0/19
179.127.25.0/24 179.127.0.0/19
179.127.26.0/24 179.127.0.0/19
179.127.27.0/24 179.127.0.0/19
179.127.28.0/22 179.127.0.0/19
189.113.0.0/21 189.113.0.0/20
189.113.0.0/22 189.113.0.0/20
189.113.0.0/24 189.113.0.0/20
189.113.1.0/24 189.113.0.0/20
189.113.2.0/24 189.113.0.0/20
189.113.3.0/24 189.113.0.0/20
189.113.4.0/22 189.113.0.0/20
189.113.4.0/24 189.113.0.0/20
189.113.5.0/24 189.113.0.0/20
189.113.6.0/24 189.113.0.0/20
189.113.7.0/24 189.113.0.0/20
189.113.8.0/21 189.113.0.0/20
189.113.8.0/22 189.113.0.0/20
189.113.8.0/24 189.113.0.0/20
189.113.9.0/24 189.113.0.0/20
189.113.10.0/24 189.113.0.0/20
189.113.11.0/24 189.113.0.0/20
189.113.12.0/22 189.113.0.0/20
189.113.12.0/24 189.113.0.0/20
189.113.13.0/24 189.113.0.0/20
189.113.14.0/24 189.113.0.0/20
189.113.15.0/24 189.113.0.0/20
190.89.238.0/24 190.89.238.0/23
179.127.14.0/23 179.127.0.0/19
179.127.16.0/23 179.127.0.0/19
179.127.18.0/23 179.127.0.0/19
179.127.20.0/23 179.127.0.0/19
179.127.22.0/23 179.127.0.0/19
179.127.28.0/24 179.127.0.0/19
179.127.29.0/24 179.127.0.0/19
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 179.127.15.0/24 Announced
+ 189.113.0.0/24 Announced
- 179.127.14.0/23 Withdrawn
- 179.127.16.0/23 Withdrawn
- 179.127.18.0/23 Withdrawn
- 179.127.20.0/23 Withdrawn
- 179.127.22.0/23 Withdrawn
- 179.127.28.0/24 Withdrawn
- 179.127.29.0/24 Withdrawn
whois: 402603
IANA has recorded AS28209 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS28209\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.
% 2026-06-10T08:38:01-03:00 - 2401:2000:6660::13
aut-num: AS28209
owner: Under Servicos de Internet Ltda
ownerid: 05.501.732/0001-89
responsible: Roberto Bert�
country: BR
owner-c: USILT23
routing-c: USILT23
abuse-c: ABDWE
created: 20080508
changed: 20210608
inetnum: 189.113.0.0/20
inetnum: 177.70.0.0/19
inetnum: 2804:1070::/32
inetnum: 179.127.0.0/19
nic-hdl-br: USILT23
person: UNDER SERVI�OS DE INTERNET LTDA
e-mail: hostmaster@under.com.br
country: BR
created: 20210608
changed: 20220416
nic-hdl-br: ABDWE
person: Abuse Dept. Webservidor
e-mail: abuse@under.com.br
country: BR
created: 20110426
changed: 20210607
% 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.