ASN Lookup Tool

MASTER DATA TELECOMUNICACOES LTDA ME BR BR 5 Routes

AS Data

AS266434

AS266434 – MASTER DATA TELECOMUNICACOES LTDA ME

AS Number 266434
AS Name 12.405.111/0001-67
Organization MASTER DATA TELECOMUNICACOES LTDA ME()
Country BR
Number of IPv4 Routes 4
Number of IPv6 Routes 1
ASN type ISP
Registry lacnic
Date Allocated 2016-12-19

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Use ASN data for AS266434 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
170.82.52.0/24 256
170.82.52.0/22 1024
170.82.52.0/23 512
2804:37c0::/32 ~79×10²⁷
170.82.55.0/24 256

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.
% 2026-03-21T09:23:28-03:00 - 136.227.183.82

aut-num:     AS266434
owner:       MASTER DATA TELECOMUNICACOES LTDA - ME
ownerid:     12.405.111/0001-67
responsible: Daniel Junqueira
country:     BR
owner-c:     DALJU37
routing-c:   DALJU37
abuse-c:     DALJU37
created:     20161219
changed:     20201209
inetnum:     170.82.52.0/22
inetnum:     2804:37c0::/32

nic-hdl-br:  DALJU37
person:      Daniel Lima Junqueira
e-mail:      danieljunqueirameca@gmail.com
country:     BR
created:     20151027
changed:     20251112

% 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
AS262589 SAMM TECNOLOGIA E TELECOMUNICACOES S.A BR
AS6939 Hurricane Electric LLC US
AS60602 Inovare-Prim SRL MD
AS266142 Bahiadados Telecom Ltda. BR
AS14537 Continent 8 LLC US
AS198150 SIACOM JSC GE
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

Upstreams

AS Number Description Country
AS268289 AUDICOM TECNOLOGIA E TELECOM LTDA BR
AS39120 Convergenze S.p.A. IT
AS35280 F5 Networks SARL FR
AS263237 PowerHost Telecom SPA CL
AS16735 ALGAR TELECOM S/A BR
AS6939 Hurricane Electric LLC US
AS52863 UPX TECNOLOGIA LTDA BR
AS6057 Administracion Nacional de Telecomunicaciones UY
AS23106 AMERICAN TOWER DO BRASIL COMUNICA��O MULTIM�DIA LT BR
AS7713 Telekomunikasi Indonesia PT ID

Downstreams

AS Number Description Country
AS262541 ITEMNET PROVEDOR DE INTERNET LTDA ME BR

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Frequently Asked Questions

ASN AS266434 is an Autonomous System Number used to identify a network for BGP internet routing.
AS266434 is listed under MASTER DATA TELECOMUNICACOES LTDA ME.
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.