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AS271914 SEMPRINI EMILIANO EFREN

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

SEMPRINI EMILIANO EFREN

AR 5 Routes

AS Data

AS271914

AS271914 – SEMPRINI EMILIANO EFREN

AS Number	271914
AS Name	AR-EMSE1-LACNIC
Organization	SEMPRINI EMILIANO EFREN()
Country	AR
Number of IPv4 Routes	4
Number of IPv6 Routes	1
ASN type	ISP
Registry	lacnic
Date Allocated	2021-05-18

ASN Intelligence API for production workflows

Use ASN data for AS271914 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
187.102.196.0/23	AS271914	SEMPRINI EMILIANO EFREN	SEMPRINI EMILIANO EFREN	512
2803:b210::/32	AS271914	SEMPRINI EMILIANO EFREN	SEMPRINI EMILIANO EFREN	~79×10²⁷
187.102.196.0/24	AS271914	SEMPRINI EMILIANO EFREN	SEMPRINI EMILIANO EFREN	256
45.230.62.0/24	AS271914	SEMPRINI EMILIANO EFREN	SEMPRINI EMILIANO EFREN	256
45.239.104.0/24	AS271914	SEMPRINI EMILIANO EFREN	SEMPRINI EMILIANO EFREN	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.
%  2026-03-12 07:53:20 (-03 -03:00)

aut-num:     AS271914
owner:       SEMPRINI EMILIANO EFREN
ownerid:     AR-EMSE1-LACNIC
responsible: EMILIANO SEMPRINI
address:     GARBARINO, 3710, -
address:     2600 - VENADO TUERTO - SANTA FE
country:     AR
phone:       +54  93462417938 [0000]
owner-c:     SEE12
routing-c:   SEE12
abuse-c:     SEE12
created:     20210518
changed:     20210519

nic-hdl:     SEE12
person:      SEMPRINI EMILIANO EFREN
e-mail:      eesemprini@gmail.com
address:     GARBARINO, 3710, -
address:     2600 - VENADO TUERTO - SANTA FE
country:     AR
phone:       +54  3462417938 [0000]
created:     20190724
changed:     20220216

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

Parsed Whois Response

Peers

AS Number	Description	Country
AS52507	Pampacom S.R.L.	AR
AS27953	NODOSUD S.A	AR

Upstreams

AS Number	Description	Country
AS52507	Pampacom S.R.L.	AR
AS27953	NODOSUD S.A	AR

Frequently Asked Questions

What is ASN AS271914?

ASN AS271914 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS271914?

AS271914 is listed under SEMPRINI EMILIANO EFREN.

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.