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.

AS273721 TCA TELECOM LTDA ME | 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

TCA TELECOM LTDA ME tcatelecom.com.br

BR 7 Routes

AS Data

AS273721

AS273721 – TCA TELECOM LTDA ME

AS Number	273721
AS Name	26.455.776/0001-90
Organization	TCA TELECOM LTDA ME()
Country	BR
Website	tcatelecom.com.br
Number of IPv4 Routes	0
Number of IPv6 Routes	7
ASN type	ISP
Registry	lacnic
Date Allocated	2023-03-30

ASN Intelligence API for production workflows

Use ASN data for AS273721 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
2804:8b40::/33	AS273721	TCA TELECOM LTDA ME	TCA TELECOM LTDA - ME	~40×10²⁷
2804:8b40:8000::/33	AS273721	TCA TELECOM LTDA ME	TCA TELECOM LTDA - ME	~40×10²⁷
2804:8b40::/32	AS273721	TCA TELECOM LTDA ME	TCA TELECOM LTDA - ME	~79×10²⁷
2804:8b40:8000::/34	AS273721	TCA TELECOM LTDA ME	TCA TELECOM LTDA - ME	~20×10²⁷
2804:8b40:4000::/34	AS273721	TCA TELECOM LTDA ME	TCA TELECOM LTDA - ME	~20×10²⁷
2804:8b40:c000::/34	AS273721	TCA TELECOM LTDA ME	TCA TELECOM LTDA - ME	~20×10²⁷
2804:8b40::/34	AS273721	TCA TELECOM LTDA ME	TCA TELECOM LTDA - ME	~20×10²⁷

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.
% 2026-03-19T09:23:46-03:00 - 185.77.251.203

aut-num:     AS273721
owner:       TCA TELECOM LTDA - ME
ownerid:     26.455.776/0001-90
responsible: PRISCILA DE MIRANDA LAFITE
country:     BR
owner-c:     TTLME80
routing-c:   TTLME80
abuse-c:     TTLME80
created:     20230330
changed:     20230330
inetnum:     2804:8b40::/32

nic-hdl-br:  TTLME80
person:      TCA TELECOM LTDA - ME
e-mail:      priscila@tcatelecom.com.br
country:     BR
created:     20161031
changed:     20250311

% 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
AS264170	Winet Brasil	BR
AS264056	ULI TELECOM LTDA	BR
AS3356	Level 3 Parent, LLC	US

Upstreams

AS Number	Description	Country
AS264170	Winet Brasil	BR
AS3356	Level 3 Parent, LLC	US

Downstreams

AS Number	Description	Country
AS264056	ULI TELECOM LTDA	BR

Frequently Asked Questions

What is ASN AS273721?

ASN AS273721 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS273721?

AS273721 is listed under TCA TELECOM LTDA ME.

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.