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.

AS265240 NET GUIBOR | IPGeolocation.io

Q: Why is WHOIS data shown for an ASN?

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

ASN Lookup Tool

NET GUIBOR ultranetpb.com.br

BR 6 Routes

AS Data

AS265240

AS265240 – NET GUIBOR

AS Number	265240
AS Name	19.577.755/0001-81
Organization	NET GUIBOR()
Country	BR
Website	ultranetpb.com.br
Number of IPv4 Routes	3
Number of IPv6 Routes	3
ASN type	ISP
Registry	lacnic
Date Allocated	2015-12-29

ASN Intelligence API for production workflows

Use ASN data for AS265240 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	Origin	Origin Name	ISP	# IPs
168.0.2.0/24	AS265240	NET GUIBOR	NET GUIBOR	256
168.0.1.0/24	AS265240	NET GUIBOR	NET GUIBOR	256
2804:2cbc::/36	AS265240	NET GUIBOR	NET GUIBOR	~5×10²⁷
168.0.0.0/24	AS265240	NET GUIBOR	NET GUIBOR	256
2804:2cbc:1000::/36	AS265240	NET GUIBOR	NET GUIBOR	~5×10²⁷
2804:2cbc::/35	AS265240	NET GUIBOR	NET GUIBOR	~1×10³⁰

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.
% 2026-03-21T09:20:01-03:00 - 185.240.252.118

aut-num:     AS265240
owner:       NET GUIBOR
ownerid:     19.577.755/0001-81
responsible: ALVARO ELIAS FARIAS CASTRO DA CUNHA
country:     BR
owner-c:     UNSEL2
routing-c:   UNSEL2
abuse-c:     UNSEL2
created:     20151229
changed:     20151229
inetnum:     2804:2cbc::/32
inetnum:     168.0.0.0/23
inetnum:     168.0.2.0/24

nic-hdl-br:  UNSEL2
person:      ULTRA NET SERVICOS EM INTERNET LTDA
e-mail:      redes@ultranetpb.com.br
country:     BR
created:     20140709
changed:     20211207

% 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
AS265147	UP Fibra	BR
AS273468	G3 SERVICOS DE TELECOMUNICACOES LTDA	BR
AS266152	PJM NET	BR
AS265365	GROUP SINTERCOM LTDA	BR

Upstreams

AS Number	Description	Country
AS265147	UP Fibra	BR
AS266152	PJM NET	BR

Downstreams

AS Number	Description	Country
AS273468	G3 SERVICOS DE TELECOMUNICACOES LTDA	BR
AS265365	GROUP SINTERCOM LTDA	BR

Frequently Asked Questions

What is ASN AS265240?

ASN AS265240 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS265240?

AS265240 is listed under NET GUIBOR.

What do peers, upstreams, and downstreams mean?

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 included here?

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

How can I access full ASN table data?

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.