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.

AS273611 W R FERREIRA SANTOS | 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

Search ASN

AS Data

IP Routes

Raw Whois

Parsed Whois

Peers

Upstreams

Downstreams

Contacts

Legacy Routes

W R FERREIRA SANTOS

BR 0 Routes

AS Data

AS273611

AS273611 – W R FERREIRA SANTOS

AS Number	273611
AS Name	23.563.124/0001-80
Organization	W R FERREIRA SANTOS()
Country	BR
Number of IPv4 Routes	0
Number of IPv6 Routes	0
ASN type	ISP
Registry	lacnic
Date Allocated	2022-10-31

ASN Intelligence API for production workflows

Use ASN data for AS273611 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

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.
% 2026-03-16T09:18:48-03:00 - 136.227.190.186

aut-num:     AS273611
owner:       W R FERREIRA SANTOS
ownerid:     23.563.124/0001-80
responsible: William Rogers ferreira santos
country:     BR
owner-c:     WRFSA4
routing-c:   WRFSA4
abuse-c:     WRFSA4
created:     20221031
changed:     20221031
inetnum:     2804:898c::/32

nic-hdl-br:  WRFSA4
person:      William Rogers ferreira santos
e-mail:      williamrogersferreirasantos@gmail.com
country:     BR
created:     20210319
changed:     20250514

% 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

Frequently Asked Questions

What is ASN AS273611?

ASN AS273611 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS273611?

AS273611 is listed under W R FERREIRA SANTOS.

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.