What is ASN AS209900?

ASN AS209900 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS209900?

AS209900 is listed under IT Forsyningen I/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.

AS209900 IT Forsyningen I/S | IPGeolocation.io

ASN Lookup Tool

IT Forsyningen I/S it-forsyningen.dk

DK 3 Routes

AS Data

AS209900

AS209900 – IT Forsyningen I/S

AS Number	209900
AS Name	it-forsyningen
Organization	IT Forsyningen I/S(org-ii167-ripe)
Country	DK
Website	it-forsyningen.dk
Number of IPv4 Routes	3
Number of IPv6 Routes	0
ASN type	BUSINESS
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2018-11-13

ASN Intelligence API for production workflows

Use ASN data for AS209900 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
45.65.90.0/23	AS209900	IT Forsyningen I/S	IT Forsyningen I/S	512
45.65.88.0/23	AS209900	IT Forsyningen I/S	IT Forsyningen I/S	512
45.65.88.0/22	AS209900	IT Forsyningen I/S	IT Forsyningen I/S	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 'AS208189 - AS214345'

as-block:       AS208189 - AS214345
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:        2026-02-12T14:40:05Z
last-modified:  2026-02-12T14:40:05Z
source:         RIPE

% Information related to 'AS209900'

% Abuse contact for 'AS209900' is 'ITF@IT-Forsyningen.dk'

aut-num:        AS209900
as-name:        it-forsyningen
org:            ORG-II167-RIPE
import:         from AS3292 accept ANY
export:         to AS3292 announce AS209900
import:         from AS59626 accept ANY
export:         to AS59626 announce AS209900
admin-c:        AD14826-RIPE
tech-c:         AD14826-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         mnt-dk-it-forsyningen-1
created:        2018-11-13T10:31:17Z
last-modified:  2018-11-13T10:31:17Z
source:         RIPE

organisation:   ORG-II167-RIPE
org-name:       IT-Forsyningen I/S
country:        DK
org-type:       LIR
address:        R�dhustorvet 5
address:        3520
address:        Farum
address:        DENMARK
phone:          +45 25 52 80 00
admin-c:        AD14826-RIPE
tech-c:         AD14826-RIPE
abuse-c:        AR49232-RIPE
mnt-ref:        IT-FORSYNINGEN-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         IT-FORSYNINGEN-MNT
created:        2018-11-09T09:34:22Z
last-modified:  2020-12-16T13:10:09Z
source:         RIPE # Filtered

person:         Allan Damkjer
address:        R�dhustorvet 5
address:        3520
address:        Farum
address:        DENMARK
phone:          +45 25 52 80 00
nic-hdl:        AD14826-RIPE
mnt-by:         mnt-dk-it-forsyningen-1
created:        2018-11-09T09:34:21Z
last-modified:  2018-11-09T09:34:22Z
source:         RIPE

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

Parsed Whois Response

Peers

AS Number	Description	Country
AS59626	Conscia Danmark A/S	DK
AS31027	GlobalConnect A/S	DK
AS3292	TDC Holding A/S	DK

Upstreams

AS Number	Description	Country
AS31027	GlobalConnect A/S	DK