What is ASN AS203646?

ASN AS203646 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS203646?

AS203646 is listed under Energi Fyn Bredbaand 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.

AS203646 Energi Fyn Bredbaand A/S

ASN Lookup Tool

Energi Fyn Bredbaand A/S energifyn.dk

DK 3 Routes

AS Data

AS203646

AS203646 – Energi Fyn Bredbaand A/S

AS Number	203646
AS Name	energi-fyn
Organization	Energi Fyn Bredbaand A/S(org-efba1-ripe)
Country	DK
Website	energifyn.dk
Number of IPv4 Routes	2
Number of IPv6 Routes	1
ASN type	ISP
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2015-11-25

ASN Intelligence API for production workflows

Use ASN data for AS203646 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
185.128.72.0/22	AS203646	Energi Fyn Bredbaand A/S	Energi Fyn Bredbaand A/S	1024
87.239.64.0/21	AS203646	Energi Fyn Bredbaand A/S	Energi Fyn Bredbaand A/S	2048
2a03:9aa0::/32	AS203646	Energi Fyn Bredbaand A/S	Energi Fyn Bredbaand A/S	~79×10²⁷

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 'AS203113 - AS203887'

as-block:       AS203113 - AS203887
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:        2024-11-12T15:22:00Z
last-modified:  2024-11-12T15:22:00Z
source:         RIPE

% Information related to 'AS203646'

% Abuse contact for 'AS203646' is 'fiberdrift@energifyn.dk'

aut-num:        AS203646
as-name:        energi-fyn
org:            ORG-EFBA1-RIPE
import:         from AS31027 accept ANY
export:         to AS31027 announce AS203646
import:         from AS44869 accept ANY
export:         to AS44869 announce AS203646
admin-c:        FD4725-RIPE
tech-c:         FD4725-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-EFBA
created:        2015-11-25T11:13:10Z
last-modified:  2018-09-04T11:42:24Z
source:         RIPE

organisation:   ORG-EFBA1-RIPE
org-name:       Energi Fyn Bredbaand A/S
country:        DK
org-type:       LIR
address:        Sanderumvej 16
address:        5250
address:        Odense SV
address:        DENMARK
phone:          +45 6317 1900
fax-no:         +45 6317 1919
admin-c:        MT6211-RIPE
admin-c:        FD4725-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        MNT-EFBA
mnt-ref:        MNT-CONSCIA
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-EFBA
abuse-c:        EA4916-RIPE
created:        2009-09-28T11:20:14Z
last-modified:  2020-12-16T13:22:32Z
source:         RIPE # Filtered

person:         Fiber Drift
address:        Sanderumvej 16, 5250 Odense SV
phone:          +4563171900
nic-hdl:        FD4725-RIPE
mnt-by:         MNT-EFBA
created:        2014-09-26T06:20:54Z
last-modified:  2017-10-30T22:39:10Z
source:         RIPE

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

Parsed Whois Response

Peers

AS Number	Description	Country
AS44869	FIBIA P/S	DK
AS31027	GlobalConnect A/S	DK

Upstreams

AS Number	Description	Country
AS44869	FIBIA P/S	DK