ASN Lookup Tool

AtivaNet Telecom Ltda BR BR 8 Routes

AS Data

AS266124

AS266124 – AtivaNet Telecom Ltda

AS Number 266124
AS Name 00.746.407/0001-62
Organization AtivaNet Telecom Ltda()
Country BR
Number of IPv4 Routes 7
Number of IPv6 Routes 1
ASN type ISP
Registry lacnic
Date Allocated 2017-03-30

ASN Intelligence API for production workflows

Use ASN data for AS266124 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

Get ASN API Key ASN API Docs

IP Ranges

Route # IPs
45.5.242.0/23 512
45.5.240.0/24 256
45.5.240.0/22 1024
45.5.242.0/24 256
45.5.241.0/24 256
45.5.240.0/23 512
45.5.243.0/24 256
2804:3b04::/32 ~79×10²⁷

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.
% 2026-03-16T09:23:18-03:00 - 136.227.173.66

aut-num:     AS266124
owner:       AtivaNet Telecom Ltda
ownerid:     00.746.407/0001-62
responsible: Marcio Eiji Yasue
country:     BR
owner-c:     MEY
routing-c:   MEY
abuse-c:     MEY
created:     20170330
changed:     20191112
inetnum:     45.5.240.0/22
inetnum:     2804:3b04::/32

nic-hdl-br:  MEY
person:      Marcio Eiji Yasue
e-mail:      eijiyasue@hotmail.com
country:     BR
created:     19980525
changed:     20251111

% 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
AS266142 Bahiadados Telecom Ltda. BR
AS14537 Continent 8 LLC US
AS269416 SEMEAR TELECOM EIRELI BR
AS199524 G-Core Labs S.A. LU
AS271253 LINK BRASIL TELECOMUNICACOES LTDA BR
AS270052 STARTELECOM S.A. PY
AS266400 Ferenz Networks BR
AS22548 N�cleo de Inf. e Coord. do Ponto BR NIC.BR BR
AS51185 MainStreaming SpA IT
AS263661 BRASIL DIGITAL SERVIÇOS DE INFORMATICA E COMERCIO BR

Upstreams

AS Number Description Country
AS39120 Convergenze S.p.A. IT
AS267973 G.V.R. TELECOMUNICA��ES E SERVI�OS LTDA ME BR
AS6057 Administracion Nacional de Telecomunicaciones UY
AS274685 HS TELECOMUNICACAO E TECNOLOGIA LTDA BR

Ready to get started?Get Started with IP Intelligence API Today

Get Started
CTA Illustration

Frequently Asked Questions

ASN AS266124 is an Autonomous System Number used to identify a network for BGP internet routing.
AS266124 is listed under AtivaNet Telecom 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.