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AS273740 ULTRA LINK LTDA | 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

ULTRA LINK LTDA ultralinkinternet.com.br

BR 5 Routes

AS Data

AS273740

AS273740 – ULTRA LINK LTDA

AS Number	273740
AS Name	27.681.171/0001-80
Organization	ULTRA LINK LTDA
Country	BR
Website	ultralinkinternet.com.br
Number of IPv4 Routes	0
Number of IPv6 Routes	5
ASN type	ISP
Registry	lacnic
Date Allocated	2023-04-18

ASN Intelligence API for production workflows

Use ASN data for AS273740 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2804:8b8c:c000::/34	AS273740	ULTRA LINK LTDA	ULTRA LINK LTDA	~20×10²⁷
2804:8b8c::/34	AS273740	ULTRA LINK LTDA	ULTRA LINK LTDA	~20×10²⁷
2804:8b8c:4000::/34	AS273740	ULTRA LINK LTDA	ULTRA LINK LTDA	~20×10²⁷
2804:8b8c:8000::/34	AS273740	ULTRA LINK LTDA	ULTRA LINK LTDA	~20×10²⁷
2804:8b8c::/32	AS273740	ULTRA LINK LTDA	ULTRA LINK 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.
% 2026-04-10T09:26:07-03:00 - 154.30.97.206

aut-num:     AS273740
owner:       ULTRA LINK  LTDA
ownerid:     27.681.171/0001-80
responsible: ALEXANDRE HOLANDA DE SOUZA
country:     BR
owner-c:     ALHSO85
routing-c:   ALHSO85
abuse-c:     ALHSO85
created:     20230418
changed:     20230418
inetnum:     2804:8b8c::/32

nic-hdl-br:  ALHSO85
person:      ALEXANDRE HOLANDA DE SOUZA
e-mail:      alexandre@ultralinkinternet.com.br
country:     BR
created:     20220214
changed:     20240801

% 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" : "AS273740",
    "country" : "BR",
    "admin_contacts" : [ "ALHSO85" ],
    "tech_contacts" : [ "ALHSO85" ],
    "abuse_contacts" : [ "ALHSO85" ],
    "date_created" : "2023-04-18",
    "date_updated" : "2023-04-18",
    "source" : "lacnic"
  } ],
  "organization" : {
    "handle" : "27.681.171/0001-80",
    "name" : "ULTRA LINK  LTDA",
    "country" : [ "BR" ],
    "abuse_contacts" : [ "ALHSO85" ],
    "date_created" : "2023-04-18",
    "date_updated" : "2023-04-18",
    "source" : "lacnic"
  },
  "administrative_contacts" : [ {
    "handle" : "ALHSO85",
    "country" : "BR",
    "email" : [ "alexandre@ultralinkinternet.com.br" ],
    "date_created" : "2022-02-14",
    "date_updated" : "2024-08-01",
    "source" : "lacnic"
  } ],
  "technical_contacts" : [ {
    "handle" : "ALHSO85",
    "country" : "BR",
    "email" : [ "alexandre@ultralinkinternet.com.br" ],
    "date_created" : "2022-02-14",
    "date_updated" : "2024-08-01",
    "source" : "lacnic"
  } ],
  "abuse_contacts" : [ {
    "handle" : "ALHSO85",
    "country" : "BR",
    "email" : [ "alexandre@ultralinkinternet.com.br" ],
    "date_created" : "2022-02-14",
    "date_updated" : "2024-08-01",
    "source" : "lacnic"
  } ]
}

Peers

AS Number	Description	Country
AS53181	K2 Telecom e Multimidia LTDA ME	BR
AS6939	Hurricane Electric LLC	US
AS266142	Bahiadados Telecom Ltda.	BR
AS52873	Softdados Telecomunicações	BR
AS263009	FORTE TELECOM LTDA.	BR
AS269416	SEMEAR TELECOM EIRELI	BR
AS199524	G-Core Labs S.A.	LU
AS271466	UC Telecom Ltda	BR
AS269096	N&K TECNOLOGIA LTDA	BR
AS263145	GRUPO MEGA FLASH SERVICOS E COM LTDA EPP	BR

Upstreams

AS Number	Description	Country
AS53181	Avanca Telecom e Servicos LTDA	BR
AS6939	Hurricane Electric LLC	US
AS6057	Administracion Nacional de Telecomunicaciones	UY
AS263145	GRUPO MEGA FLASH SERVICOS E COM LTDA EPP	BR

Downstreams

AS Number	Description	Country
AS271466	UC Telecom Ltda	BR

Frequently Asked Questions

What is ASN AS273740?

ASN AS273740 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS273740?

AS273740 is listed under ULTRA LINK 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.