What is ASN AS266451?

ASN AS266451 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS266451?

AS266451 is listed under ROUTERNET PROVEDOR DE ACESSO LTDA � ME.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS266451 ROUTERNET PROVEDOR DE ACESSO LTDA � ME

ASN Lookup Tool

ROUTERNET PROVEDOR DE ACESSO LTDA � ME

BR 10 Routes

AS Data

AS266451

AS266451 – ROUTERNET PROVEDOR DE ACESSO LTDA � ME

AS Number	266451
AS Name	21.811.531/0001-34
Organization	ROUTERNET PROVEDOR DE ACESSO LTDA � ME
Country	BR
Number of IPv4 Routes	6
Number of IPv6 Routes	4
ASN type	ISP
Registry	lacnic
Date Allocated	2016-12-29

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Use ASN data for AS266451 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
170.83.24.0/22	AS266451	ROUTERNET PROVEDOR DE ACESSO LTDA � ME	ROUTERNET PROVEDOR DE ACESSO LTDA ME	1024
170.83.26.0/23	AS266451	ROUTERNET PROVEDOR DE ACESSO LTDA � ME	ROUTERNET PROVEDOR DE ACESSO LTDA ME	512
2804:3808:4000::/34	AS266451	ROUTERNET PROVEDOR DE ACESSO LTDA � ME	ROUTERNET PROVEDOR DE ACESSO LTDA ME	~20×10²⁷
2804:3808:8000::/34	AS266451	ROUTERNET PROVEDOR DE ACESSO LTDA � ME	ROUTERNET PROVEDOR DE ACESSO LTDA ME	~20×10²⁷
2804:3808::/34	AS266451	ROUTERNET PROVEDOR DE ACESSO LTDA � ME	ROUTERNET PROVEDOR DE ACESSO LTDA ME	~20×10²⁷
170.83.27.0/24	AS266451	ROUTERNET PROVEDOR DE ACESSO LTDA � ME	ROUTERNET PROVEDOR DE ACESSO LTDA ME	256
170.83.24.0/24	AS266451	ROUTERNET PROVEDOR DE ACESSO LTDA � ME	ROUTERNET PROVEDOR DE ACESSO LTDA ME	256
170.83.26.0/24	AS266451	ROUTERNET PROVEDOR DE ACESSO LTDA � ME	ROUTERNET PROVEDOR DE ACESSO LTDA ME	256
2804:3808::/32	AS266451	ROUTERNET PROVEDOR DE ACESSO LTDA � ME	ROUTERNET PROVEDOR DE ACESSO LTDA ME	~79×10²⁷
170.83.25.0/24	AS266451	ROUTERNET PROVEDOR DE ACESSO LTDA � ME	ROUTERNET PROVEDOR DE ACESSO LTDA ME	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.
% 2026-04-06T09:21:03-03:00 - 185.77.250.55

aut-num:     AS266451
owner:       ROUTERNET PROVEDOR DE ACESSO LTDA � ME
ownerid:     21.811.531/0001-34
responsible: Roberto Gatto Lorenset
country:     BR
owner-c:     ROGLO4
routing-c:   ROGLO4
abuse-c:     ROGLO4
created:     20161229
changed:     20161229
inetnum:     170.83.24.0/22
inetnum:     2804:3808::/32

nic-hdl-br:  ROGLO4
person:      Roberto Gatto Lorenset
e-mail:      betolong@gmail.com
country:     BR
created:     20070105
changed:     20251120

% 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

{
  "status" : true,
  "whois_server" : "whois.lacnic.net",
  "aut_nums" : [ {
    "aut_num" : "AS266451",
    "country" : "BR",
    "admin_contacts" : [ "ROGLO4" ],
    "tech_contacts" : [ "ROGLO4" ],
    "abuse_contacts" : [ "ROGLO4" ],
    "date_created" : "2016-12-29",
    "date_updated" : "2016-12-29",
    "source" : "lacnic"
  } ],
  "organization" : {
    "handle" : "21.811.531/0001-34",
    "name" : "ROUTERNET PROVEDOR DE ACESSO LTDA ? ME",
    "country" : [ "BR" ],
    "abuse_contacts" : [ "ROGLO4" ],
    "date_created" : "2016-12-29",
    "date_updated" : "2016-12-29",
    "source" : "lacnic"
  },
  "administrative_contacts" : [ {
    "handle" : "ROGLO4",
    "country" : "BR",
    "email" : [ "betolong@gmail.com" ],
    "date_created" : "2007-01-05",
    "date_updated" : "2025-11-20",
    "source" : "lacnic"
  } ],
  "technical_contacts" : [ {
    "handle" : "ROGLO4",
    "country" : "BR",
    "email" : [ "betolong@gmail.com" ],
    "date_created" : "2007-01-05",
    "date_updated" : "2025-11-20",
    "source" : "lacnic"
  } ],
  "abuse_contacts" : [ {
    "handle" : "ROGLO4",
    "country" : "BR",
    "email" : [ "betolong@gmail.com" ],
    "date_created" : "2007-01-05",
    "date_updated" : "2025-11-20",
    "source" : "lacnic"
  } ]
}

Peers

AS Number	Description	Country
AS264409	GRUPO YAX	BR
AS263152	MIGO TELECOM	BR
AS53062	ALT \| GRUPO BRASIL TECPAR	BR
AS14840	BR.Digital Telecom	BR
AS272554	Log-Fi Internet	BR
AS11432	Telium Telecomunicações Ltda	BR
AS6057	Administracion Nacional de Telecomunicaciones	UY
AS28343	UNIFIQUE TELECOMUNICACOES S/A	BR
AS269783	WIND NET S.A.	PY
AS53013	UFINET BRASIL S.A.	BR

Upstreams

AS Number	Description	Country
AS61568	ALOO TELECOM FSF TECNOLOGIA SA	BR
AS266489	ZANCHET E PAIM TELECOM LTDA ME	BR
AS14840	BR.Digital Telecom	BR
AS1031	PEER 1031 LLC	US
AS11432	Telium Telecomunica��es Ltda	BR
AS6057	Administracion Nacional de Telecomunicaciones	UY
AS28343	UNIFIQUE TELECOMUNICACOES S/A	BR
AS53013	UFINET BRASIL S.A.	BR

Downstreams

AS Number	Description	Country
AS268954	MARAU NET TECNOLOGIA LTDA	BR
AS266489	ZANCHET E PAIM TELECOM LTDA ME	BR