ASN Lookup Tool

R F de Souza Junior BR BR 8 Routes

AS Data

AS266000

AS266000 – R F de Souza Junior

AS Number 266000
AS Name
Organization R F de Souza Junior()
Country BR
Number of IPv4 Routes 7
Number of IPv6 Routes 1
ASN type ISP
Registry lacnic
Date Allocated 2017-07-25

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Use ASN data for AS266000 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
181.191.42.0/24 256
181.191.40.0/23 512
181.191.41.0/24 256
2804:410c::/32 ~79×10²⁷
181.191.43.0/24 256
181.191.42.0/23 512
181.191.40.0/24 256
181.191.40.0/22 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.
% 2026-03-16T09:24:05-03:00 - 206.204.18.218

aut-num:     AS266000
owner:       R F de Souza Junior
responsible: R F de Souza Junior
owner-c:     RFSJU15
routing-c:   RFSJU15
abuse-c:     RFSJU15
created:     20170725
changed:     20170725
inetnum:     181.191.40.0/22
inetnum:     2804:410c::/32

nic-hdl-br:  RFSJU15
person:      R F de Souza Junior
created:     20100720
changed:     20251202

% 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
AS265080 AD TELECOM BR

Upstreams

AS Number Description Country
AS265080 AD TELECOM BR

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Frequently Asked Questions

ASN AS266000 is an Autonomous System Number used to identify a network for BGP internet routing.
AS266000 is listed under R F de Souza Junior.
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.