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AS51510 DFDS A/S | IPGeolocation.io

Q: Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

ASN Lookup Tool

DFDS A/S dfds.com

DK 3 Routes

AS Data

AS51510

AS51510 – DFDS A/S

AS Number	51510
AS Name	DFDS-AS
Organization	DFDS A/S (org-da300-ripe)
Country	DK
Website	dfds.com
Number of IPv4 Routes	3
Number of IPv6 Routes	0
ASN type	BUSINESS
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2010-09-14

ASN Intelligence API for production workflows

Use ASN data for AS51510 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
193.9.230.0/24	AS51510	DFDS A/S	DFDS A/S	256
193.9.232.0/24	AS51510	DFDS A/S	DFDS A/S	256
193.9.231.0/24	AS51510	DFDS A/S	DFDS A/S	256

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 'AS51357 - AS51817'

as-block:       AS51357 - AS51817
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:        2025-02-13T13:57:44Z
last-modified:  2025-02-13T13:57:44Z
source:         RIPE

% Information related to 'AS51510'

% Abuse contact for 'AS51510' is 'abuse@dfds.com'

aut-num:        AS51510
as-name:        DFDS-AS
org:            ORG-DA300-RIPE
import:         from AS3257 accept ANY
import:         from AS31027 accept ANY
export:         to AS3257 announce AS51510
export:         to AS31027 announce AS51510
admin-c:        DNOC19-RIPE
tech-c:         DNOC19-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         CONSCIA-MNT
mnt-by:         DFDS-DK-MNT
created:        2010-09-14T10:15:41Z
last-modified:  2026-07-29T08:06:28Z
source:         RIPE # Filtered
sponsoring-org: ORG-CA1644-RIPE

organisation:   ORG-DA300-RIPE
org-name:       DFDS A/S
country:        DK
reg-nr:         14194711
org-type:       OTHER
address:        Marmorvej 18, 2100 Copenhagen, Denmark
abuse-c:        DAC121-RIPE
mnt-ref:        conscia-mnt
mnt-by:         DFDS-DK-MNT
mnt-by:         conscia-mnt
created:        2010-09-03T10:53:51Z
last-modified:  2026-07-29T09:09:17Z
source:         RIPE # Filtered

role:           DFDS Network Operations Center
admin-c:        JS19064-RIPE
tech-c:         JS19064-RIPE
nic-hdl:        DNOC19-RIPE
created:        2026-07-29T08:03:40Z
last-modified:  2026-07-29T08:03:40Z
source:         RIPE # Filtered
mnt-by:         DFDS-DK-MNT

% This query was served by the RIPE Database Query Service version 1.123 (BUSA)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS51357 - AS51817",
    "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" : "2025-02-13",
    "date_updated" : "2025-02-13",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS51510",
    "as_name" : "DFDS-AS",
    "status" : "ASSIGNED",
    "import" : [ "from AS3257 accept ANY", "from AS31027 accept ANY" ],
    "export" : [ "to AS3257 announce AS51510", "to AS31027 announce AS51510" ],
    "organization" : "ORG-DA300-RIPE",
    "sponsoring_organization" : "ORG-CA1644-RIPE",
    "admin_contacts" : [ "DNOC19-RIPE" ],
    "tech_contacts" : [ "DNOC19-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "CONSCIA-MNT", "DFDS-DK-MNT" ],
    "date_created" : "2010-09-14",
    "date_updated" : "2026-07-29",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-DA300-RIPE",
    "name" : "DFDS A/S",
    "type" : "OTHER",
    "address" : [ "Marmorvej 18, 2100 Copenhagen, Denmark" ],
    "street" : "Marmorvej",
    "city" : "Copenhagen",
    "zip_code" : "2100",
    "country" : [ "DK" ],
    "abuse_contacts" : [ "DAC121-RIPE" ],
    "mnt_ref" : [ "conscia-mnt" ],
    "mnt_by" : [ "DFDS-DK-MNT", "conscia-mnt" ],
    "date_created" : "2010-09-03",
    "date_updated" : "2026-07-29",
    "source" : "RIPE",
    "addressCountry" : "DENMARK"
  },
  "administrative_contacts" : [ {
    "handle" : "DNOC19-RIPE",
    "name" : "DFDS Network Operations Center",
    "admin_contacts" : [ "JS19064-RIPE" ],
    "tech_contacts" : [ "JS19064-RIPE" ],
    "mnt_by" : [ "DFDS-DK-MNT" ],
    "date_created" : "2026-07-29",
    "date_updated" : "2026-07-29",
    "source" : "RIPE"
  } ],
  "technical_contacts" : [ {
    "handle" : "DNOC19-RIPE",
    "name" : "DFDS Network Operations Center",
    "admin_contacts" : [ "JS19064-RIPE" ],
    "tech_contacts" : [ "JS19064-RIPE" ],
    "mnt_by" : [ "DFDS-DK-MNT" ],
    "date_created" : "2026-07-29",
    "date_updated" : "2026-07-29",
    "source" : "RIPE"
  } ]
}

Peers

AS Number	Description	Country
AS31027	GlobalConnect A/S	DK
AS3257	GTT Communications Inc.	US

Upstreams

AS Number	Description	Country
AS31027	GlobalConnect A/S	DK
AS3257	GTT Communications Inc.	US

Frequently Asked Questions

What is ASN AS51510?

ASN AS51510 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS51510?

AS51510 is listed under DFDS A/S.

What do peers, upstreams, and downstreams mean?

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 included here?

WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access full ASN table data?

This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.