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.

AS272568 Fastweb Telecom Sistemas de Comunicações Ltda

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

Fastweb Telecom Sistemas de Comunicações Ltda

BR 1 Routes

AS Data

AS272568

AS272568 – Fastweb Telecom Sistemas de Comunicações Ltda

AS Number	272568
AS Name
Organization	Fastweb Telecom Sistemas de Comunicações Ltda
Country	BR
Number of IPv4 Routes	0
Number of IPv6 Routes	1
ASN type	ISP
Registry	lacnic
Date Allocated	2021-12-22

ASN Intelligence API for production workflows

Use ASN data for AS272568 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
2804:8544::/32	AS272568	Fastweb Telecom Sistemas de Comunicações Ltda	Fastweb Telecom Sistemas de Comunicações Ltda	~79×10²⁷

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.
% 2026-04-13T09:35:02-03:00 - 213.159.11.134

aut-num:     AS272568
owner:       Fastweb Telecom Sistemas de Comunica��es Ltda
responsible: Jesus Alberto Silveira Dias
owner-c:     JAD271
routing-c:   JAD271
abuse-c:     JAD271
created:     20211222
changed:     20211222
inetnum:     2804:8544::/32

nic-hdl-br:  JAD271
person:      Jesus Alberto Silveira Dias
created:     20051128
changed:     20260115

% 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" : "AS272568",
    "admin_contacts" : [ "JAD271" ],
    "tech_contacts" : [ "JAD271" ],
    "abuse_contacts" : [ "JAD271" ],
    "date_created" : "2021-12-22",
    "date_updated" : "2021-12-22",
    "source" : "lacnic"
  } ],
  "organization" : {
    "name" : "Fastweb Telecom Sistemas de Comunica??es Ltda",
    "abuse_contacts" : [ "JAD271" ],
    "date_created" : "2021-12-22",
    "date_updated" : "2021-12-22",
    "source" : "lacnic"
  },
  "administrative_contacts" : [ {
    "handle" : "JAD271",
    "date_created" : "2005-11-28",
    "date_updated" : "2026-01-15",
    "source" : "lacnic"
  } ],
  "technical_contacts" : [ {
    "handle" : "JAD271",
    "date_created" : "2005-11-28",
    "date_updated" : "2026-01-15",
    "source" : "lacnic"
  } ],
  "abuse_contacts" : [ {
    "handle" : "JAD271",
    "date_created" : "2005-11-28",
    "date_updated" : "2026-01-15",
    "source" : "lacnic"
  } ]
}

Peers

AS Number	Description	Country
AS262663	METROFLEX TELECOMUNICACOES LTDA	BR
AS268671	RL NET INTERNET	BR

Upstreams

AS Number	Description	Country
AS268671	RL NET INTERNET	BR

Downstreams

AS Number	Description	Country
AS262663	METROFLEX TELECOMUNICACOES LTDA	BR

Frequently Asked Questions

What is ASN AS272568?

ASN AS272568 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS272568?

AS272568 is listed under Fastweb Telecom Sistemas de Comunicações Ltda.

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.