ASN AS21173 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS21173?

AS21173 is listed under LANtana 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.

AS21173 LANtana GmbH | IPGeolocation.io

ASN Lookup Tool

LANtana GmbH lantana.de

DE 3 Routes

AS Data

AS21173

AS21173 – LANtana GmbH

AS Number	21173
AS Name	ASN-LANTANA
Organization	LANtana GmbH (org-lg1-ripe)
Country	DE
Website	lantana.de
Number of IPv4 Routes	3
Number of IPv6 Routes	0
ASN type	BUSINESS
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2001-10-02

ASN Intelligence API for production workflows

Use ASN data for AS21173 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
80.91.96.0/21	AS21173	LANtana GmbH	LANtana GmbH, ISP Backbone and Infrastructure	2048
80.91.104.0/21	AS21173	LANtana GmbH	LANtana GmbH	2048
80.91.96.0/20	AS21173	LANtana GmbH	LANtana GmbH, ISP Backbone and Infrastructure	4096

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 'AS21153 - AS21241'

as-block:       AS21153 - AS21241
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:        2018-11-22T15:27:27Z
last-modified:  2018-11-22T15:27:27Z
source:         RIPE

% Information related to 'AS21173'

% Abuse contact for 'AS21173' is 'abuse@lantana.de'

aut-num:        AS21173
org:            ORG-LG1-RIPE
as-name:        ASN-LANTANA
import:         from AS8881 action pref=10; accept ANY
import:         from AS3331 action pref=10; accept ANY
import:         from AS12931 action pref=10; accept ANY
export:         to AS8881 announce AS21173
export:         to AS3331 announce AS21173
export:         to AS12931 announce AS21173
admin-c:        UG2-RIPE
tech-c:         UG2-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
remarks:        Network of LANtana GmbH, Germany, Ahrensburg
mnt-by:         LANTANA-MNT
created:        2001-10-02T05:59:01Z
last-modified:  2024-07-04T07:39:02Z
source:         RIPE

organisation:   ORG-LG1-RIPE
org-name:       LANtana GmbH
country:        DE
org-type:       LIR
address:        An der Strusbek 64
address:        22926
address:        Ahrensburg
address:        GERMANY
phone:          +49 4102 2211 0
fax-no:         +49 4102 2211 49
admin-c:        SS3099-RIPE
admin-c:        UG2-RIPE
abuse-c:        AC23695-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        MNT-LANTANA-WEB
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-LANTANA-WEB
created:        2004-04-17T11:09:33Z
last-modified:  2025-06-25T12:18:19Z
source:         RIPE # Filtered

person:         Ulrich Garbers
address:        Lantana GmbH
address:        An der Strusbek 64
address:        D-22926 Ahrensburg
address:        Germany
phone:          +49 4102 2211 0
fax-no:         +49 4102 2211 49
nic-hdl:        UG2-RIPE
mnt-by:         LANTANA-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2001-09-22T09:24:39Z
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" : "AS21153 - AS21241",
    "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" : "2018-11-22",
    "date_updated" : "2018-11-22",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS21173",
    "as_name" : "ASN-LANTANA",
    "status" : "ASSIGNED",
    "import" : [ "from AS8881 action pref=10; accept ANY", "from AS3331 action pref=10; accept ANY", "from AS12931 action pref=10; accept ANY" ],
    "export" : [ "to AS8881 announce AS21173", "to AS3331 announce AS21173", "to AS12931 announce AS21173" ],
    "organization" : "ORG-LG1-RIPE",
    "admin_contacts" : [ "UG2-RIPE" ],
    "tech_contacts" : [ "UG2-RIPE" ],
    "remarks" : [ "Network of LANtana GmbH, Germany, Ahrensburg" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "LANTANA-MNT" ],
    "date_created" : "2001-10-02",
    "date_updated" : "2024-07-04",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-LG1-RIPE",
    "name" : "LANtana GmbH",
    "type" : "LIR",
    "address" : [ "An der Strusbek 64", "22926", "Ahrensburg", "GERMANY" ],
    "street" : "An Der Strusbek",
    "city" : "Ahrensburg",
    "zip_code" : "22926",
    "country" : [ "DE" ],
    "phone" : [ "+49 4102 2211 0" ],
    "fax_no" : [ "+49 4102 2211 49" ],
    "admin_contacts" : [ "SS3099-RIPE", "UG2-RIPE" ],
    "abuse_contacts" : [ "AC23695-RIPE" ],
    "mnt_ref" : [ "RIPE-NCC-HM-MNT", "MNT-LANTANA-WEB" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "MNT-LANTANA-WEB" ],
    "date_created" : "2004-04-17",
    "date_updated" : "2025-06-25",
    "source" : "RIPE",
    "addressCountry" : "GERMANY"
  },
  "administrative_contacts" : [ {
    "handle" : "UG2-RIPE",
    "name" : "Ulrich Garbers",
    "address" : [ "Lantana GmbH", "An der Strusbek 64", "D-22926 Ahrensburg", "Germany" ],
    "street" : "An Der Strusbek",
    "city" : "Ahrensburg",
    "zip_code" : "D-22926",
    "country" : "GERMANY",
    "phone" : [ "+49 4102 2211 0" ],
    "fax_no" : [ "+49 4102 2211 49" ],
    "mnt_by" : [ "LANTANA-MNT" ],
    "date_created" : "1970-01-01",
    "date_updated" : "2001-09-22",
    "source" : "RIPE",
    "addressCountry" : "GERMANY"
  } ],
  "technical_contacts" : [ {
    "handle" : "UG2-RIPE",
    "name" : "Ulrich Garbers",
    "address" : [ "Lantana GmbH", "An der Strusbek 64", "D-22926 Ahrensburg", "Germany" ],
    "street" : "An Der Strusbek",
    "city" : "Ahrensburg",
    "zip_code" : "D-22926",
    "country" : "GERMANY",
    "phone" : [ "+49 4102 2211 0" ],
    "fax_no" : [ "+49 4102 2211 49" ],
    "mnt_by" : [ "LANTANA-MNT" ],
    "date_created" : "1970-01-01",
    "date_updated" : "2001-09-22",
    "source" : "RIPE",
    "addressCountry" : "GERMANY"
  } ]
}

Peers

AS Number	Description	Country
AS12931	IDKOM Networks GmbH	DE
AS3331	OpenXS GmbH	DE
AS8881	1&1 Versatel GmbH	DE

Upstreams

AS Number	Description	Country
AS12931	IDKOM Networks GmbH	DE
AS3331	OpenXS GmbH	DE
AS8881	1&1 Versatel GmbH	DE