What is ASN AS263756?

ASN AS263756 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS263756?

AS263756 is listed under LINKUP INTERNET SRL.

What do peers, upstreams, and downstreams mean in ASN data?

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 shown for an ASN?

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

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.

AS263756 LINKUP INTERNET SRL | IPGeolocation.io

ASN Lookup Tool

LINKUP INTERNET SRL linkup.ar

AR 19 Routes

AS Data

AS263756

AS263756 – LINKUP INTERNET SRL

AS Number	263756
AS Name	AR-LISR5-LACNIC
Organization	LINKUP INTERNET SRL
Country	AR
Website	linkup.ar
Number of IPv4 Routes	18
Number of IPv6 Routes	1
ASN type	ISP
Registry	lacnic
Date Allocated	2015-08-21

ASN Intelligence API for production workflows

Use ASN data for AS263756 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
138.204.40.0/24	AS263756	LINKUP INTERNET SRL	LINKUP INTERNET SRL	256
206.85.16.0/22	AS263756	LINKUP INTERNET SRL	Linkup Internet SRL	1024
45.188.215.0/24	AS263756	LINKUP INTERNET SRL	LINKUP INTERNET SRL	256
138.204.42.0/24	AS263756	LINKUP INTERNET SRL	LINKUP INTERNET SRL	256
45.188.213.0/24	AS263756	LINKUP INTERNET SRL	LINKUP INTERNET SRL	256
2803:ba40::/32	AS263756	LINKUP INTERNET SRL	LINKUP INTERNET SRL	~79×10²⁷
8.243.14.0/24	AS263756	LINKUP INTERNET SRL	LINKUP INTERNET SRL	256
206.85.18.0/24	AS263756	LINKUP INTERNET SRL	Linkup Internet SRL	256
201.234.253.0/24	AS263756	LINKUP INTERNET SRL	Cirion Technologies Argentina S.A.	256
206.85.16.0/24	AS263756	LINKUP INTERNET SRL	Linkup Internet SRL	256

Raw Whois Response

% Joint Whois - whois.lacnic.net
%  This server accepts single ASN, IPv4 or IPv6 queries

% LACNIC resource: whois.lacnic.net


% Copyright LACNIC lacnic.net
%  The data below is provided for information purposes
%  and to assist persons in obtaining information about or
%  related to AS and IP numbers registrations
%  By submitting a whois query, you agree to use this data
%  only for lawful purposes.
%  2026-04-01 09:31:08 (-03 -03:00)

aut-num:     AS263756
owner:       LINKUP INTERNET SRL
ownerid:     AR-LISR5-LACNIC
responsible: Leonardo Cukar
address:     Av Sarmiento, 363, -
address:     2705 - Rojas - Buenos Aires
country:     AR
phone:       +54  24752475464656 [0000]
owner-c:     LIS13
routing-c:   LIS13
abuse-c:     LIS13
created:     20150821
changed:     20150821

nic-hdl:     LIS13
person:      Linkup Internet SRL
e-mail:      webmaster@linkup.ar
address:     Francisco Roca, 615, -
address:     2705 - Rojas - Buenos Aires
country:     AR
phone:       +54  1150772327 [0000]
created:     20150722
changed:     20230904

% whois.lacnic.net accepts only direct match queries.
% Types of queries are: POCs, ownerid, CIDR blocks, IP
% and AS numbers.

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.lacnic.net",
  "aut_nums" : [ {
    "aut_num" : "AS263756",
    "country" : "AR",
    "admin_contacts" : [ "LIS13" ],
    "tech_contacts" : [ "LIS13" ],
    "abuse_contacts" : [ "LIS13" ],
    "date_created" : "2015-08-21",
    "date_updated" : "2015-08-21",
    "source" : "lacnic"
  } ],
  "organization" : {
    "handle" : "AR-LISR5-LACNIC",
    "name" : "LINKUP INTERNET SRL",
    "address" : [ "Av Sarmiento, 363, -", "2705 - Rojas - Buenos Aires" ],
    "street" : "Av Sarmiento",
    "city" : "Aires",
    "state" : "BUENOS",
    "zip_code" : "2705",
    "country" : [ "AR" ],
    "phone" : [ "+54  24752475464656 [0000]" ],
    "abuse_contacts" : [ "LIS13" ],
    "date_created" : "2015-08-21",
    "date_updated" : "2015-08-21",
    "source" : "lacnic"
  },
  "administrative_contacts" : [ {
    "handle" : "LIS13",
    "address" : [ "Francisco Roca, 615, -", "2705 - Rojas - Buenos Aires" ],
    "street" : "Francisco Roca",
    "city" : "Aires",
    "state" : "BUENOS",
    "zip_code" : "2705",
    "country" : "AR",
    "email" : [ "webmaster@linkup.ar" ],
    "phone" : [ "+54  1150772327 [0000]" ],
    "date_created" : "2015-07-22",
    "date_updated" : "2023-09-04",
    "source" : "lacnic"
  } ],
  "technical_contacts" : [ {
    "handle" : "LIS13",
    "address" : [ "Francisco Roca, 615, -", "2705 - Rojas - Buenos Aires" ],
    "street" : "Francisco Roca",
    "city" : "Aires",
    "state" : "BUENOS",
    "zip_code" : "2705",
    "country" : "AR",
    "email" : [ "webmaster@linkup.ar" ],
    "phone" : [ "+54  1150772327 [0000]" ],
    "date_created" : "2015-07-22",
    "date_updated" : "2023-09-04",
    "source" : "lacnic"
  } ],
  "abuse_contacts" : [ {
    "handle" : "LIS13",
    "address" : [ "Francisco Roca, 615, -", "2705 - Rojas - Buenos Aires" ],
    "street" : "Francisco Roca",
    "city" : "Aires",
    "state" : "BUENOS",
    "zip_code" : "2705",
    "country" : "AR",
    "email" : [ "webmaster@linkup.ar" ],
    "phone" : [ "+54  1150772327 [0000]" ],
    "date_created" : "2015-07-22",
    "date_updated" : "2023-09-04",
    "source" : "lacnic"
  } ]
}

Peers

AS Number	Description	Country
AS61495	CABASE Camara Arg de Base de Datos y Serv en Linea	AR
AS7195	EDGEUNO S.A.S	CO
AS1239	Cogent Communications, LLC	US
AS27747	Telecentro S.A.	AR
AS6939	Hurricane Electric LLC	US
AS6057	Administracion Nacional de Telecomunicaciones	UY
AS52468	UFINET PANAMA S.A.	PA
AS3356	Level 3 Parent, LLC	US
AS174	Cogent Communications, LLC	US
AS18747	IFX Corporation	US

Upstreams

AS Number	Description	Country
AS61495	CABASE Camara Arg de Base de Datos y Serv en Linea	AR
AS27747	Telecentro S.A.	AR
AS6939	Hurricane Electric LLC	US
AS6057	Administracion Nacional de Telecomunicaciones	UY
AS52468	UFINET PANAMA S.A.	PA
AS3356	Level 3 Parent, LLC	US
AS174	Cogent Communications, LLC	US

Downstreams

AS Number	Description	Country
AS3356	Level 3 Parent, LLC	US
AS272113	COOPERATIVA ELECTRICA Y OTROS SERVICIOS PUBLICOS DE FERRE LIMITADA	AR