What is ASN AS204274?

ASN AS204274 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS204274?

AS204274 is listed under AURA Fiber A/S.

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.

AS204274 AURA Fiber A/S | IPGeolocation.io

AURA Fiber A/S aura.dk

DK 6 Routes

AS Data

AS204274

AS204274 – AURA Fiber A/S

AS Number	204274
AS Name	AURA-A-S
Organization	AURA Fiber A/S(org-afa51-ripe)
Country	DK
Website	aura.dk
Number of IPv4 Routes	5
Number of IPv6 Routes	1
ASN type	ISP
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2015-07-13

ASN Intelligence API for production workflows

Use ASN data for AS204274 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
85.184.128.0/19	AS204274	AURA Fiber A/S	AURA Fiber A/S	8192
87.104.64.0/18	AS204274	AURA Fiber A/S	AURA Fiber A/S	16384
2a01:7dc0::/32	AS204274	AURA Fiber A/S	AURA Fiber A/S	~79×10²⁷
85.184.160.0/19	AS204274	AURA Fiber A/S	AURA Fiber A/S	8192
185.107.200.0/22	AS204274	AURA Fiber A/S	AURA Fiber A/S	1024
85.191.0.0/17	AS204274	AURA Fiber A/S	AURA Fiber A/S	32768

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 'AS203940 - AS205662'

as-block:       AS203940 - AS205662
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:        2026-03-05T15:29:31Z
last-modified:  2026-03-05T15:29:31Z
source:         RIPE

% Information related to 'AS204274'

% Abuse contact for 'AS204274' is 'abuse.fiber@aura.dk'

aut-num:        AS204274
as-name:        AURA-A-S
org:            ORG-AFA51-RIPE
admin-c:        AS204274-RIPE
tech-c:         AS204274-RIPE
status:         ASSIGNED
import:         from AS43557 accept ANY
import:         from AS50490 accept ANY
export:         to AS43557 announce as-set_dk-aura
export:         to AS50490 announce as-set_dk-aura
mp-import:      afi ipv6.unicast from AS43557 accept ANY
mp-import:      afi ipv6.unicast from AS50490 accept ANY
mp-export:      afi ipv6.unicast to AS43557 announce as-set_dk-aura
mp-export:      afi ipv6.unicast to AS50490 announce as-set_dk-aura
import:         from AS35376 accept ANY
export:         to AS35376 announce as-set_dk-aura
mp-import:      afi ipv6.unicast from AS35376 accept ANY
mp-export:      afi ipv6.unicast to AS35376 announce as-set_dk-aura
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         AS204274-MNT
created:        2015-07-13T07:50:03Z
last-modified:  2022-06-15T11:59:26Z
source:         RIPE

organisation:   ORG-AFA51-RIPE
org-name:       AURA Fiber A/S
country:        DK
org-type:       LIR
address:        Knudsminde 10
address:        8300
address:        Odder
address:        DENMARK
phone:          +45 87 92 55 55
admin-c:        AS204274-RIPE
tech-c:         AS204274-RIPE
abuse-c:        AR204274-RIPE
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         AS204274-MNT
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        AS204274-MNT
created:        2015-07-06T08:00:00Z
last-modified:  2024-12-30T09:19:05Z
source:         RIPE # Filtered

role:           AS204274 Staff
address:        Aura Fiber OE A/S
address:        Knudsminde 10
address:        8300
address:        Odder
address:        DENMARK
org:            ORG-AFA51-RIPE
admin-c:        BR5116-RIPE
admin-c:        JLJ138-RIPE
tech-c:         BR5116-RIPE
tech-c:         JLJ138-RIPE
nic-hdl:        AS204274-RIPE
abuse-mailbox:  abuse.fiber@aura.dk
mnt-by:         AS204274-MNT
created:        2022-06-14T09:31:07Z
last-modified:  2022-06-14T13:58:14Z
source:         RIPE # Filtered

% Information related to 'AR204274-RIPE'

role:           AS204274 Abuse
address:        Aura Fiber OE A/S
address:        Knudsminde 10
address:        8300
address:        Odder
address:        DENMARK
admin-c:        AS204274-RIPE
tech-c:         AS204274-RIPE
abuse-mailbox:  abuse.fiber@aura.dk
nic-hdl:        AR204274-RIPE
mnt-by:         AS204274-MNT
created:        2022-06-14T09:31:58Z
last-modified:  2022-06-14T14:00:04Z
source:         RIPE # Filtered

role:           AS204274 Staff
address:        Aura Fiber OE A/S
address:        Knudsminde 10
address:        8300
address:        Odder
address:        DENMARK
org:            ORG-AFA51-RIPE
admin-c:        BR5116-RIPE
admin-c:        JLJ138-RIPE
tech-c:         BR5116-RIPE
tech-c:         JLJ138-RIPE
nic-hdl:        AS204274-RIPE
abuse-mailbox:  abuse.fiber@aura.dk
mnt-by:         AS204274-MNT
created:        2022-06-14T09:31:07Z
last-modified:  2022-06-14T13:58:14Z
source:         RIPE # Filtered

% Information related to 'AS204274-RIPE'

role:           AS204274 Staff
address:        Aura Fiber OE A/S
address:        Knudsminde 10
address:        8300
address:        Odder
address:        DENMARK
org:            ORG-AFA51-RIPE
admin-c:        BR5116-RIPE
admin-c:        JLJ138-RIPE
tech-c:         BR5116-RIPE
tech-c:         JLJ138-RIPE
nic-hdl:        AS204274-RIPE
abuse-mailbox:  abuse.fiber@aura.dk
mnt-by:         AS204274-MNT
created:        2022-06-14T09:31:07Z
last-modified:  2022-06-14T13:58:14Z
source:         RIPE # Filtered

organisation:   ORG-AFA51-RIPE
org-name:       AURA Fiber A/S
country:        DK
org-type:       LIR
address:        Knudsminde 10
address:        8300
address:        Odder
address:        DENMARK
phone:          +45 87 92 55 55
admin-c:        AS204274-RIPE
tech-c:         AS204274-RIPE
abuse-c:        AR204274-RIPE
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         AS204274-MNT
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        AS204274-MNT
created:        2015-07-06T08:00:00Z
last-modified:  2024-12-30T09:19:05Z
source:         RIPE # Filtered

person:         Brian Rathje
address:        Knudsminde 10
address:        8300
address:        Odder
address:        DENMARK
phone:          +45 87 92 57 40
nic-hdl:        BR5116-RIPE
mnt-by:         AS204274-MNT
created:        2022-06-14T08:36:26Z
last-modified:  2022-06-14T14:03:07Z
source:         RIPE

person:         Jorgen Lund Jorgensen
address:        Knudsminde 10
address:        8300
address:        Odder
address:        DENMARK
phone:          +45 87 92 57 40
nic-hdl:        JLJ138-RIPE
mnt-by:         AS204274-MNT
created:        2022-06-14T08:37:26Z
last-modified:  2022-06-14T14:03:36Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.121 (BUSA)

Parsed Whois Response

Peers

AS Number	Description	Country
AS44869	FIBIA P/S	DK
AS43557	Sinal A/S	DK
AS209959	Mark Weber Andersen	DK
AS50490	Sinal A/S	DK
AS35376	EWII Bredbaand A/S	DK

Upstreams

AS Number	Description	Country
AS44869	FIBIA P/S	DK

Downstreams

AS Number	Description	Country
AS209959	Mark Weber Andersen	DK

ASN Lookup Tool

ASN Summary