ASN AS44363 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS44363?

AS44363 is listed under Energie Steiermark Breitband 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.

AS44363 Energie Steiermark Breitband GmbH

ASN Lookup Tool

Energie Steiermark Breitband GmbH esn.at

AT 2 Routes

AS Data

AS44363

AS44363 – Energie Steiermark Breitband GmbH

AS Number	44363
AS Name	asesn01
Organization	Energie Steiermark Breitband GmbH (org-esbg1-ripe)
Country	AT
Website	esn.at
Number of IPv4 Routes	2
Number of IPv6 Routes	0
ASN type	ISP
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2020-08-28

ASN Intelligence API for production workflows

Use ASN data for AS44363 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
193.186.244.0/22	AS44363	Energie Steiermark Breitband GmbH	Energie Steiermark Breitband GmbH	1024
193.186.240.0/22	AS44363	Energie Steiermark Breitband GmbH	Energie Steiermark Breitband GmbH	1024

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 'AS44170 - AS44569'

as-block:       AS44170 - AS44569
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:        2025-01-27T15:33:09Z
last-modified:  2025-01-27T15:33:09Z
source:         RIPE

% Information related to 'AS44363'

% Abuse contact for 'AS44363' is 'hostmaster@esn.at'

aut-num:        AS44363
as-name:        asesn01
org:            ORG-ESBG1-RIPE
import:         from AS60587 accept ANY
export:         to AS60587 announce AS44363
import:         from AS50719 accept ANY
export:         to AS50719 announce AS44363
admin-c:        FR4315-RIPE
admin-c:        HA4468-RIPE
tech-c:         FR4315-RIPE
tech-c:         HA4468-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         lir-at-e-breitband-1-MNT
mnt-by:         ESN-MNT
created:        2020-08-28T12:39:28Z
last-modified:  2025-11-18T11:47:22Z
source:         RIPE

organisation:   ORG-ESBG1-RIPE
org-name:       Energie Steiermark Breitband GmbH
country:        AT
org-type:       LIR
address:        Leonhardg�rtel 10
address:        8010
address:        Graz
address:        AUSTRIA
phone:          +43 316 9000 0
admin-c:        AA40683-RIPE
tech-c:         AA40683-RIPE
abuse-c:        AR70106-RIPE
mnt-ref:        lir-at-e-breitband-1-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         lir-at-e-breitband-1-MNT
created:        2023-03-28T10:11:47Z
last-modified:  2023-03-28T10:11:48Z
source:         RIPE # Filtered

role:           hostmaster
address:        Leonhardg�rtel 10
address:        8010
address:        Graz
address:        AUSTRIA
phone:          +43 316 9000 0
nic-hdl:        HA4468-RIPE
mnt-by:         E-STEIERMARK-MNT
created:        2020-07-03T07:41:27Z
last-modified:  2020-07-03T07:41:27Z
source:         RIPE # Filtered

person:         Franz Rauch
address:        Energie Steiermark AG
address:        Leonhardguertel 10
address:        A-8010 Graz
phone:          +43 (316) 9000-0
fax-no:         +43 (316) 9000-0
nic-hdl:        FR4315-RIPE
mnt-by:         STEWEAG-MNT
mnt-by:         E-STEIERMARK-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2020-09-29T10:58:39Z
source:         RIPE # Filtered

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

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS44170 - AS44569",
    "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" : "2025-01-27",
    "date_updated" : "2025-01-27",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS44363",
    "as_name" : "asesn01",
    "status" : "ASSIGNED",
    "import" : [ "from AS60587 accept ANY", "from AS50719 accept ANY" ],
    "export" : [ "to AS60587 announce AS44363", "to AS50719 announce AS44363" ],
    "organization" : "ORG-ESBG1-RIPE",
    "admin_contacts" : [ "FR4315-RIPE", "HA4468-RIPE" ],
    "tech_contacts" : [ "FR4315-RIPE", "HA4468-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "lir-at-e-breitband-1-MNT", "ESN-MNT" ],
    "date_created" : "2020-08-28",
    "date_updated" : "2025-11-18",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-ESBG1-RIPE",
    "name" : "Energie Steiermark Breitband GmbH",
    "type" : "LIR",
    "address" : [ "Leonhardg?rtel 10", "8010", "Graz", "AUSTRIA" ],
    "street" : "Leonhardg?rtel",
    "city" : "Graz",
    "zip_code" : "8010",
    "country" : [ "AT" ],
    "phone" : [ "+43 316 9000 0" ],
    "admin_contacts" : [ "AA40683-RIPE" ],
    "tech_contacts" : [ "AA40683-RIPE" ],
    "abuse_contacts" : [ "AR70106-RIPE" ],
    "mnt_ref" : [ "lir-at-e-breitband-1-MNT" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "lir-at-e-breitband-1-MNT" ],
    "date_created" : "2023-03-28",
    "date_updated" : "2023-03-28",
    "source" : "RIPE",
    "addressCountry" : "AUSTRIA"
  },
  "administrative_contacts" : [ {
    "handle" : "FR4315-RIPE",
    "name" : "Franz Rauch",
    "address" : [ "Energie Steiermark AG", "Leonhardguertel 10", "A-8010 Graz" ],
    "street" : "Leonhardguertel",
    "city" : "Graz",
    "zip_code" : "A-8010",
    "phone" : [ "+43 (316) 9000-0" ],
    "fax_no" : [ "+43 (316) 9000-0" ],
    "mnt_by" : [ "STEWEAG-MNT", "E-STEIERMARK-MNT" ],
    "date_created" : "1970-01-01",
    "date_updated" : "2020-09-29",
    "source" : "RIPE"
  }, {
    "handle" : "HA4468-RIPE",
    "name" : "hostmaster",
    "address" : [ "Leonhardg?rtel 10", "8010", "Graz", "AUSTRIA" ],
    "street" : "Leonhardg?rtel",
    "city" : "Graz",
    "zip_code" : "8010",
    "country" : "AUSTRIA",
    "phone" : [ "+43 316 9000 0" ],
    "mnt_by" : [ "E-STEIERMARK-MNT" ],
    "date_created" : "2020-07-03",
    "date_updated" : "2020-07-03",
    "source" : "RIPE",
    "addressCountry" : "AUSTRIA"
  } ],
  "technical_contacts" : [ {
    "handle" : "FR4315-RIPE",
    "name" : "Franz Rauch",
    "address" : [ "Energie Steiermark AG", "Leonhardguertel 10", "A-8010 Graz" ],
    "street" : "Leonhardguertel",
    "city" : "Graz",
    "zip_code" : "A-8010",
    "phone" : [ "+43 (316) 9000-0" ],
    "fax_no" : [ "+43 (316) 9000-0" ],
    "mnt_by" : [ "STEWEAG-MNT", "E-STEIERMARK-MNT" ],
    "date_created" : "1970-01-01",
    "date_updated" : "2020-09-29",
    "source" : "RIPE"
  }, {
    "handle" : "HA4468-RIPE",
    "name" : "hostmaster",
    "address" : [ "Leonhardg?rtel 10", "8010", "Graz", "AUSTRIA" ],
    "street" : "Leonhardg?rtel",
    "city" : "Graz",
    "zip_code" : "8010",
    "country" : "AUSTRIA",
    "phone" : [ "+43 316 9000 0" ],
    "mnt_by" : [ "E-STEIERMARK-MNT" ],
    "date_created" : "2020-07-03",
    "date_updated" : "2020-07-03",
    "source" : "RIPE",
    "addressCountry" : "AUSTRIA"
  } ]
}

Peers

AS Number	Description	Country
AS50719	XINON GmbH	AT
AS60587	XINON GmbH	AT

Upstreams

AS Number	Description	Country
AS60587	XINON GmbH	AT