ASN Lookup Tool

Under Servicos de Internet Ltda under.com.br BR BR 54 Routes

AS Data

AS28209

AS28209Under Servicos de Internet Ltda

AS Number 28209
AS Name 05.501.732/0001-89
Organization Under Servicos de Internet Ltda
Country BR
Website under.com.br
Number of IPv4 Routes 47
Number of IPv6 Routes 7
ASN type ISP
Registry lacnic
Date Allocated 2008-05-08

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Use ASN data for AS28209 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
177.70.0.0/19 8192
179.127.29.0/24 256
179.127.16.0/23 512
179.127.15.0/24 256
177.70.20.0/22 1024
179.127.31.0/24 256
179.127.14.0/23 512
179.127.0.0/22 1024
177.70.16.0/20 4096
177.70.28.0/22 1024
2804:1070:1::/48 ~1×10²⁴
179.127.20.0/23 512
189.113.7.0/24 256
189.113.4.0/22 1024
179.127.30.0/24 256
189.113.5.0/24 256
177.70.1.0/24 256
189.113.8.0/21 2048
179.127.12.0/23 512
179.127.24.0/22 1024
179.127.16.0/22 1024
179.127.22.0/23 512
2804:1070:4000::/36 ~5×10²⁷
189.113.0.0/20 4096
189.113.14.0/24 256
177.70.29.0/24 256
177.70.24.0/23 512
177.70.24.0/22 1024
179.127.4.0/22 1024
179.127.28.0/22 1024
177.70.0.0/22 1024
179.127.10.0/23 512
177.70.4.0/22 1024
177.70.7.0/24 256
189.113.0.0/21 2048
177.70.12.0/22 1024
189.113.8.0/22 1024
179.127.8.0/23 512
177.70.10.0/24 256
177.70.8.0/22 1024
190.89.238.0/24 256
179.127.18.0/23 512
2804:1070:2::/48 ~1×10²⁴
2804:d4::/37 ~2×10²⁷
177.70.11.0/24 256
2804:1070:2000::/36 ~5×10²⁷
189.113.0.0/22 1024
179.127.20.0/22 1024
179.127.23.0/24 256
177.70.0.0/20 4096
2804:1070::/32 ~79×10²⁷
2804:d4:800::/37 ~2×10²⁷
177.70.4.0/23 512
189.113.12.0/22 1024

Raw Whois Response

% 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.
% 2026-07-10T09:14:45-03:00 - 152.39.238.28

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.

Parsed Whois Response

Peers

AS Number Description Country
AS199081 Lancom Ltd. GR
AS7195 EDGEUNO S.A.S CO
AS6939 Hurricane Electric LLC US
AS60602 Inovare-Prim SRL MD
AS266142 Bahiadados Telecom Ltda. BR
AS14537 Continent 8 LLC US
AS198150 SIACOM JSC GE
AS267256 ONETIS TECNOLOGIA LTDA BR
AS263661 BRASIL DIGITAL SERVIOS DE INFORMATICA E COMERCIO BR
AS269416 SEMEAR TELECOM EIRELI BR
AS263283 JGNET - J G DE OLIVEIRA MATOS & CIA LTDA BR
AS199524 G-Core Labs S.A. LU
AS271253 LINK BRASIL TELECOMUNICACOES LTDA BR
AS9498 Bharti Airtel Ltd IN
AS22381 SAMM TECNOLOGIA E TELECOMUNICACOES S.A BR
AS270052 STARTELECOM S.A. PY
AS262588 EXPLORERNET INFOLINK TECNOLOGIA E TELECOMUNICACOES BR
AS266400 Ferenz Networks BR
AS22548 Núcleo de Inf. e Coord. do Ponto BR NIC.BR BR
AS1000 LINK AMERICAN US
AS51185 MainStreaming SpA IT
AS60503 FNX Tecnologia LTDA BR
AS34224 Neterra Ltd. BG
AS53062 GGNET TELECOMUNICACOES LTDA BR
AS206735 Novelcomm LP GR
AS16552 Tiggee LLC US
AS270353 Tyna Host - Datacenter no Brasil BR
AS268138 Thiago aparecido scaramuzza santana BR
AS270888 V8 Telecom LTDA BR
AS26615 TIM S/A BR
AS14840 BR.Digital Telecom BR
AS37721 Virtual Technologies & Solutions BF
AS263237 PowerHost Telecom SPA CL
AS61573 IP TELECOM BR
AS61680 ACESSO SIMPLES LTDA BR
AS32590 Valve Corporation US
AS57463 NetIX Communications JSC BG
AS61624 INFNOC TECNOLOGIA LTDA BR
AS12735 TurkNet Iletisim Hizmetleri A.S. TR
AS28624 PROVEDORA CMA INTERNET LTDA BR
AS7713 PT Telekomunikasi Indonesia ID
AS55818 MC-IX Matrix Internet Exchange RS-1 ID
AS10099 China Unicom Global HK
AS8801 Rocket Fibre Ltd GB
AS263321 ILOGNET PROVEDOR BR
AS266959 SKYINF SOLUCOES EM TECNOLOGIA DE INFORMACAO LTDA BR
AS61568 ALOO TELECOM - FSF TECNOLOGIA SA BR
AS1031 PEER 1031 LLC US
AS28158 Ampernet Telecomunicações Ltda BR
AS262427 Invista Net Provedor de Acesso Ltda BR
AS999 CORIX NETWORKS US
AS52999 START NETWORKS S/A BR
AS264479 Turbozone Internet BR
AS266519 PROVERADIO TELECOM BR
AS267613 ELETRONET S.A. BR
AS263541 IMF NETWORK DATA LTDA - ME BR
AS61832 DB3 SERVICOS DE TELECOMUNICACOES S.A BR
AS24482 SG.GS SG
AS263152 MIGO TELECOM BR
AS12741 Netia SA PL

Upstreams

AS Number Description Country
AS39120 Convergenze S.p.A. IT
AS264409 GRUPO YAX BR
AS35280 F5 Networks SARL FR
AS14840 BR.Digital Telecom BR
AS22381 SAMM TECNOLOGIA E TELECOMUNICACOES S.A BR
AS6939 Hurricane Electric LLC US
AS6057 Administracion Nacional de Telecomunicaciones UY
AS7713 Telekomunikasi Indonesia PT ID
AS3356 Level 3 Parent, LLC US

Downstreams

AS Number Description Country
AS26615 TIM S/A BR
AS265380 WSU Tecnologia Ltda BR
AS28138 WN INTERNET BR

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Frequently Asked Questions

ASN AS28209 is an Autonomous System Number used to identify a network for BGP internet routing.
AS28209 is listed under Under Servicos de Internet Ltda.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.