ASN Lookup Tool

FOUR NETWORK SERVICOS DE INFORMATICA LTDA ME fourtelecom.net BR BR 2 Routes

AS Data

AS266978

AS266978 – FOUR NETWORK SERVICOS DE INFORMATICA LTDA ME

AS Number 266978
AS Name 26.237.330/0001-99
Organization FOUR NETWORK SERVICOS DE INFORMATICA LTDA ME()
Country BR
Website fourtelecom.net
Number of IPv4 Routes 2
Number of IPv6 Routes 0
ASN type ISP
Registry lacnic
Date Allocated 2017-11-06

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Use ASN data for AS266978 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
45.226.196.0/23 512
45.226.198.0/23 512

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.
% 2026-03-12T07:55:35-03:00 - 136.227.180.177

aut-num:     AS266978
owner:       FOUR NETWORK SERVICOS DE INFORMATICA LTDA - ME
ownerid:     26.237.330/0001-99
responsible: Rodrigo Luiz Alves
country:     BR
owner-c:     FNSIL1
routing-c:   FNSIL1
abuse-c:     FNSIL1
created:     20171106
changed:     20240821
inetnum:     45.226.196.0/22
inetnum:     2804:4640::/32
as-in:       from AS53162 100 accept ANY
as-in:       from AS263324 150 accept ANY
as-in:       from AS265022 100 accept ANY
as-out:      to AS53162 announce AS266978
as-out:      to AS263324 announce AS266978
as-out:      to AS265022 announce AS266978

nic-hdl-br:  FNSIL1
person:      Four Network Serv. de Informatica Ltda
e-mail:      noc@fourtelecom.net
country:     BR
created:     20170929
changed:     20240819

% 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
AS7738 V tal BR
AS266181 GOLDEN LINK BR
AS53162 VOIPGLOBE SERVICOS DE COM MULTIMIDIA VIA INTERNET BR

Upstreams

AS Number Description Country
AS7738 V tal BR
AS266181 GOLDEN LINK BR
AS53162 VOIPGLOBE SERVICOS DE COM MULTIMIDIA VIA INTERNET BR

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Frequently Asked Questions

ASN AS266978 is an Autonomous System Number used to identify a network for BGP internet routing.
AS266978 is listed under FOUR NETWORK SERVICOS DE INFORMATICA 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.