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AS51555 PREFERENCE SL | 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

PREFERENCE SL preference.es

ES 1 Routes

AS Data

AS51555

AS51555 – PREFERENCE SL

AS Number	51555
AS Name	ASN-PREFERENCE
Organization	PREFERENCE SL(org-ps453-ripe)
Country	ES
Website	preference.es
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	ISP
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2022-04-28

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Use ASN data for AS51555 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
194.213.19.0/24	AS51555	PREFERENCE SL	PREFERENCE SL	256

Raw Whois Response

% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html

% Note: this output has been filtered.
%       To receive output for a database update, use the "-B" flag.

% Information related to 'AS51357 - AS51817'

as-block:       AS51357 - AS51817
descr:          RIPE NCC ASN block
remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by:         RIPE-NCC-HM-MNT
created:        2025-02-13T13:57:44Z
last-modified:  2025-02-13T13:57:44Z
source:         RIPE

% Information related to 'AS51555'

% Abuse contact for 'AS51555' is 'itsupport@preference.es'

aut-num:        AS51555
as-name:        ASN-PREFERENCE
org:            ORG-PS453-RIPE
sponsoring-org: ORG-JAGH1-RIPE
import:         from AS174 accept ANY
import:         from AS8220 accept ANY
export:         to AS174 announce AS51555
import:         from AS198479 accept ANY
export:         to AS198479 announce AS51555
export:         to AS8220 announce AS51555
admin-c:        JSD31-RIPE
tech-c:         JSD31-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         mnt-es-ipconsulting-1
created:        2022-04-28T14:19:15Z
last-modified:  2022-06-29T06:14:54Z
source:         RIPE

organisation:   ORG-PS453-RIPE
org-name:       PREFERENCE SL
country:        ES
org-type:       OTHER
address:        RONDA GUGLIELMO MARCONI 9
address:        46980 - PATERNA
address:        VALENCIA - SPAIN
abuse-c:        ACRO47831-RIPE
mnt-ref:        mnt-es-ipconsulting-1
mnt-by:         mnt-es-ipconsulting-1
created:        2022-04-26T09:39:23Z
last-modified:  2022-12-01T17:23:28Z
source:         RIPE # Filtered

person:         Josep Serrano Diaz
address:        RONDA GUGLIELMO MARCONI 9
address:        46980 - PATERNA
address:        VALENCIA - SPAIN
phone:          +34963389966
nic-hdl:        JSD31-RIPE
mnt-by:         mnt-es-ipconsulting-1
created:        2022-04-26T09:36:59Z
last-modified:  2022-04-26T09:36:59Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.121.2 (SHETLAND)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS51357 - AS51817",
    "description" : [ "RIPE NCC ASN block" ],
    "remarks" : [ "These AS Numbers are assigned to network operators in the RIPE NCC service region." ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT" ],
    "date_created" : "2025-02-13",
    "date_updated" : "2025-02-13",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS51555",
    "as_name" : "ASN-PREFERENCE",
    "status" : "ASSIGNED",
    "import" : [ "from AS174 accept ANY", "from AS8220 accept ANY", "from AS198479 accept ANY" ],
    "export" : [ "to AS174 announce AS51555", "to AS198479 announce AS51555", "to AS8220 announce AS51555" ],
    "organization" : "ORG-PS453-RIPE",
    "sponsoring_organization" : "ORG-JAGH1-RIPE",
    "admin_contacts" : [ "JSD31-RIPE" ],
    "tech_contacts" : [ "JSD31-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "mnt-es-ipconsulting-1" ],
    "date_created" : "2022-04-28",
    "date_updated" : "2022-06-29",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-PS453-RIPE",
    "name" : "PREFERENCE SL",
    "type" : "OTHER",
    "address" : [ "RONDA GUGLIELMO MARCONI 9", "46980 - PATERNA", "VALENCIA - SPAIN" ],
    "street" : "Ronda Guglielmo Marconi",
    "city" : "Paterna",
    "district" : "Valencia",
    "zip_code" : "46980",
    "country" : [ "ES" ],
    "abuse_contacts" : [ "ACRO47831-RIPE" ],
    "mnt_ref" : [ "mnt-es-ipconsulting-1" ],
    "mnt_by" : [ "mnt-es-ipconsulting-1" ],
    "date_created" : "2022-04-26",
    "date_updated" : "2022-12-01",
    "source" : "RIPE",
    "addressCountry" : "SPAIN"
  },
  "administrative_contacts" : [ {
    "handle" : "JSD31-RIPE",
    "name" : "Josep Serrano Diaz",
    "address" : [ "RONDA GUGLIELMO MARCONI 9", "46980 - PATERNA", "VALENCIA - SPAIN" ],
    "street" : "Ronda Guglielmo Marconi",
    "city" : "Paterna",
    "district" : "Valencia",
    "zip_code" : "46980",
    "country" : "SPAIN",
    "phone" : [ "+34963389966" ],
    "mnt_by" : [ "mnt-es-ipconsulting-1" ],
    "date_created" : "2022-04-26",
    "date_updated" : "2022-04-26",
    "source" : "RIPE",
    "addressCountry" : "SPAIN"
  } ],
  "technical_contacts" : [ {
    "handle" : "JSD31-RIPE",
    "name" : "Josep Serrano Diaz",
    "address" : [ "RONDA GUGLIELMO MARCONI 9", "46980 - PATERNA", "VALENCIA - SPAIN" ],
    "street" : "Ronda Guglielmo Marconi",
    "city" : "Paterna",
    "district" : "Valencia",
    "zip_code" : "46980",
    "country" : "SPAIN",
    "phone" : [ "+34963389966" ],
    "mnt_by" : [ "mnt-es-ipconsulting-1" ],
    "date_created" : "2022-04-26",
    "date_updated" : "2022-04-26",
    "source" : "RIPE",
    "addressCountry" : "SPAIN"
  } ]
}

Peers

AS Number	Description	Country
AS8220	COLT Technology Services Group Limited	GB
AS174	Cogent Communications, LLC	US
AS198479	Nunsys SA	ES

Upstreams

AS Number	Description	Country
AS8220	COLT Technology Services Group Limited	GB

Frequently Asked Questions

What is ASN AS51555?

ASN AS51555 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS51555?

AS51555 is listed under PREFERENCE SL.

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.