ASN AS51658 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS51658?

AS51658 is listed under lucesem technology GmbH.

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.

AS51658 lucesem technology GmbH

ASN Lookup Tool

lucesem technology GmbH lucesem.at

AT 2 Routes

AS Data

AS51658

AS51658 – lucesem technology GmbH

AS Number	51658
AS Name	LUCESEM-AS
Organization	lucesem technology GmbH(org-pjta3-ripe)
Country	AT
Website	lucesem.at
Number of IPv4 Routes	1
Number of IPv6 Routes	1
ASN type	BUSINESS
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2018-03-01

ASN Intelligence API for production workflows

Use ASN data for AS51658 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
2a0a:d6c0:1::/48	AS51658	lucesem technology GmbH	lucesem technology GmbH	~1×10²⁴
185.202.133.0/24	AS51658	lucesem technology GmbH	lucesem technology GmbH	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 'AS51658'

% Abuse contact for 'AS51658' is 'abuse@lucesem.at'

aut-num:        AS51658
as-name:        LUCESEM-AS
org:            ORG-PJTA3-RIPE
import:         from AS61423 accept ANY
export:         to AS61423 announce AS-LUCESEM
import:         from AS1299 accept ANY
export:         to AS1299 announce AS-LUCESEM
import:         from AS1764 accept ANY
export:         to AS1764 announce AS-LUCESEM
import:         from AS47147 accept ANY
export:         to AS47147 announce AS-LUCESEM
import:         from AS214502 accept AS214502:AS-FIFTYFIVE-2
export:         to AS214502 announce ANY
import:         from AS25761 accept ANY
export:         to AS25761 announce AS-LUCESEM
import:         from AS211071 accept AS-BAHA
export:         to AS211071 announce ANY
mp-import:      afi ipv6.unicast from AS47147 action pref=100; accept ANY
mp-export:      afi ipv6.unicast to AS47147 announce AS-LUCESEM
mp-import:      afi ipv6.unicast from AS1764 action pref=100; accept ANY
mp-export:      afi ipv6.unicast to AS1764 announce AS-LUCESEM
mp-import:      afi ipv6.unicast from AS61423 action pref=100; accept ANY
mp-export:      afi ipv6.unicast to AS61423 announce AS-LUCESEM
mp-import:      afi ipv6.unicast from AS214502 action pref=100; accept ANY
mp-export:      afi ipv6.unicast to AS214502 announce ANY
mp-import:      afi ipv6.unicast from AS211071 action pref=100; accept AS-BAHA
mp-export:      afi ipv6.unicast to AS211071 announce ANY
mp-import:      afi ipv6.unicast from AS25761 action pref=100; accept ANY
mp-export:      afi ipv6.unicast to AS25761 announce ANY
admin-c:        PJ4756-RIPE
tech-c:         JJ6413-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         lir-at-lucesem-1-MNT
created:        2018-03-01T12:01:53Z
last-modified:  2025-07-25T08:56:22Z
source:         RIPE

organisation:   ORG-PJTA3-RIPE
org-name:       lucesem technology GmbH
country:        AT
org-type:       LIR
address:        V�lkermarkter Ring 7
address:        9020
address:        Klagenfurt am W�rthersee
address:        AUSTRIA
phone:          +436608889638
admin-c:        LN3624-RIPE
tech-c:         LN3624-RIPE
abuse-c:        AR63413-RIPE
mnt-ref:        lir-at-lucesem-1-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         lir-at-lucesem-1-MNT
created:        2021-06-23T07:03:51Z
last-modified:  2024-11-28T12:30:35Z
source:         RIPE # Filtered

person:         Juergen Jaritsch
address:        Kernjakstra�e 12
address:        9220 Velden am W�rthersee
address:        AUSTRIA
phone:          +436608889638
nic-hdl:        JJ6413-RIPE
mnt-by:         at-55it-MNT
created:        2024-01-29T10:29:15Z
last-modified:  2025-01-07T16:24:15Z
source:         RIPE

person:         Patrick Janesch
address:        Voelkermarker Ring 7
address:        9020
address:        Klagenfurt
address:        AUSTRIA
phone:          +43 463 287007
nic-hdl:        PJ4756-RIPE
mnt-by:         ch-jmptechnology-1-mnt
created:        2018-02-23T15:20:11Z
last-modified:  2018-02-23T15:20:11Z
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" : "AS51658",
    "as_name" : "LUCESEM-AS",
    "status" : "ASSIGNED",
    "import" : [ "from AS61423 accept ANY", "from AS1299 accept ANY", "from AS1764 accept ANY", "from AS47147 accept ANY", "from AS214502 accept AS214502:AS-FIFTYFIVE-2", "from AS25761 accept ANY", "from AS211071 accept AS-BAHA" ],
    "mp_import" : [ "afi ipv6.unicast from AS47147 action pref=100; accept ANY", "afi ipv6.unicast from AS1764 action pref=100; accept ANY", "afi ipv6.unicast from AS61423 action pref=100; accept ANY", "afi ipv6.unicast from AS214502 action pref=100; accept ANY", "afi ipv6.unicast from AS211071 action pref=100; accept AS-BAHA", "afi ipv6.unicast from AS25761 action pref=100; accept ANY" ],
    "export" : [ "to AS61423 announce AS-LUCESEM", "to AS1299 announce AS-LUCESEM", "to AS1764 announce AS-LUCESEM", "to AS47147 announce AS-LUCESEM", "to AS214502 announce ANY", "to AS25761 announce AS-LUCESEM", "to AS211071 announce ANY" ],
    "mp_export" : [ "afi ipv6.unicast to AS47147 announce AS-LUCESEM", "afi ipv6.unicast to AS1764 announce AS-LUCESEM", "afi ipv6.unicast to AS61423 announce AS-LUCESEM", "afi ipv6.unicast to AS214502 announce ANY", "afi ipv6.unicast to AS211071 announce ANY", "afi ipv6.unicast to AS25761 announce ANY" ],
    "organization" : "ORG-PJTA3-RIPE",
    "admin_contacts" : [ "PJ4756-RIPE" ],
    "tech_contacts" : [ "JJ6413-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "lir-at-lucesem-1-MNT" ],
    "date_created" : "2018-03-01",
    "date_updated" : "2025-07-25",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-PJTA3-RIPE",
    "name" : "lucesem technology GmbH",
    "type" : "LIR",
    "address" : [ "V?lkermarkter Ring 7", "9020", "Klagenfurt am W?rthersee", "AUSTRIA" ],
    "street" : "Am W?",
    "city" : "Rthersee",
    "zip_code" : "9020",
    "country" : [ "AT" ],
    "phone" : [ "+436608889638" ],
    "admin_contacts" : [ "LN3624-RIPE" ],
    "tech_contacts" : [ "LN3624-RIPE" ],
    "abuse_contacts" : [ "AR63413-RIPE" ],
    "mnt_ref" : [ "lir-at-lucesem-1-MNT" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "lir-at-lucesem-1-MNT" ],
    "date_created" : "2021-06-23",
    "date_updated" : "2024-11-28",
    "source" : "RIPE",
    "addressCountry" : "AUSTRIA"
  },
  "administrative_contacts" : [ {
    "handle" : "PJ4756-RIPE",
    "name" : "Patrick Janesch",
    "address" : [ "Voelkermarker Ring 7", "9020", "Klagenfurt", "AUSTRIA" ],
    "street" : "Voelkermarker Ring",
    "city" : "Klagenfurt",
    "zip_code" : "9020",
    "country" : "AUSTRIA",
    "phone" : [ "+43 463 287007" ],
    "mnt_by" : [ "ch-jmptechnology-1-mnt" ],
    "date_created" : "2018-02-23",
    "date_updated" : "2018-02-23",
    "source" : "RIPE",
    "addressCountry" : "AUSTRIA"
  } ],
  "technical_contacts" : [ {
    "handle" : "JJ6413-RIPE",
    "name" : "Juergen Jaritsch",
    "address" : [ "Kernjakstra?e 12", "9220 Velden am W?rthersee", "AUSTRIA" ],
    "street" : "Kernjakstra?e",
    "city" : "Rthersee",
    "zip_code" : "9220",
    "country" : "AUSTRIA",
    "phone" : [ "+436608889638" ],
    "mnt_by" : [ "at-55it-MNT" ],
    "date_created" : "2024-01-29",
    "date_updated" : "2025-01-07",
    "source" : "RIPE",
    "addressCountry" : "AUSTRIA"
  } ]
}

Peers

AS Number	Description	Country
AS211071	baha GmbH	AT
AS1764	Next Layer Telekommunikationsdienstleistungs und Beratungs GmbH	AT
AS214502	55 IT Services GmbH	AT
AS1299	Arelion Sweden AB	SE
AS25761	55 IT Services GmbH	AT
AS47147	ANEXIA Internetdienstleistungs GmbH	AT
AS61423	JMP Technology Servivces GmbH	CH
AS1764	Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH	AT

Upstreams

AS Number	Description	Country
AS1764	Next Layer Telekommunikationsdienstleistungs und Beratungs GmbH	AT
AS25761	55 IT Services GmbH	AT

Downstreams

AS Number	Description	Country
AS211071	baha GmbH	AT