ASN Lookup Tool

CYBERNETRS LTDA ME cybernetrs.com.br BR BR 6 Routes

AS Data

AS263979

AS263979 – CYBERNETRS LTDA ME

AS Number 263979
AS Name 12.305.644/0001-77
Organization CYBERNETRS LTDA ME
Country BR
Website cybernetrs.com.br
Number of IPv4 Routes 3
Number of IPv6 Routes 3
ASN type ISP
Registry lacnic
Date Allocated 2015-09-03

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Use ASN data for AS263979 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
2804:28c4::/33 ~40×10²⁷
2804:28c4:8000::/33 ~40×10²⁷
138.255.178.0/23 512
2804:28c4::/32 ~79×10²⁷
138.255.176.0/22 1024
138.255.176.0/23 512

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.
% 2026-04-25T09:16:04-03:00 - 185.246.174.81

aut-num:     AS263979
owner:       CYBERNETRS LTDA - ME
ownerid:     12.305.644/0001-77
responsible: Robson da silva
country:     BR
owner-c:     ROSIL1544
routing-c:   ROSIL123
abuse-c:     ROSIL1544
created:     20150903
changed:     20220321
inetnum:     138.255.176.0/22
inetnum:     2804:28c4::/32

nic-hdl-br:  ROSIL1544
person:      Robson da silva
e-mail:      noc@cybernetrs.com.br
country:     BR
created:     20160620
changed:     20251117

nic-hdl-br:  ROSIL123
person:      rogermonsil da silva
e-mail:      rogermonsil@yahoo.com.br
country:     BR
created:     20080804
changed:     20080804

% 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
AS11432 Telium Telecomunica��es Ltda BR
AS7195 EDGEUNO S.A.S CO
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
AS4230 CLARO S.A. BR

Upstreams

AS Number Description Country
AS39120 Convergenze S.p.A. IT
AS35280 F5 Networks SARL FR
AS6939 Hurricane Electric LLC US
AS6057 Administracion Nacional de Telecomunicaciones UY
AS52468 UFINET PANAMA S.A. PA
AS7713 Telekomunikasi Indonesia PT ID
AS3356 Level 3 Parent, LLC US
AS174 Cogent Communications, LLC US
AS4230 CLARO S.A. BR

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Frequently Asked Questions

ASN AS263979 is an Autonomous System Number used to identify a network for BGP internet routing.
AS263979 is listed under CYBERNETRS 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.