What is ASN AS215821?

ASN AS215821 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS215821?

AS215821 is listed under London Digital Systems LTD.

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?

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AS215821 London Digital Systems LTD

ASN Lookup Tool

London Digital Systems LTD londondigitalsystems.com

GB 3 Routes

AS Data

AS215821

AS215821 – London Digital Systems LTD

AS Number	215821
AS Name	AS215821
Organization	London Digital Systems LTD (org-lds16-ripe)
Country	GB
Website	londondigitalsystems.com
Number of IPv4 Routes	2
Number of IPv6 Routes	1
ASN type	BUSINESS
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2023-12-20

ASN Intelligence API for production workflows

Use ASN data for AS215821 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2606:f180:11::/48	AS200113	Global Servers LTD	Global Servers LTD	~1×10²⁴
194.87.251.0/24	AS215821	London Digital Systems LTD	Reliable Communications s.r.o.	256
45.84.101.0/24	AS215821	London Digital Systems LTD	London Digital Systems LTD	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 'AS215130 - AS216475'

as-block:       AS215130 - AS216475
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:        2025-02-18T14:34:27Z
last-modified:  2025-02-18T14:34:27Z
source:         RIPE

% Information related to 'AS215821'

% Abuse contact for 'AS215821' is 'abuse@londondigitalsystems.com'

aut-num:        AS215821
as-name:        AS215821
org:            ORG-LDS16-RIPE
sponsoring-org: ORG-BTA44-RIPE
import:         from AS60721 accept ANY
export:         to AS60721 announce AS215821
import:         from AS24875 accept ANY
export:         to AS24875 announce AS215821
admin-c:        BT4165-RIPE
admin-c:        LDS364-RIPE
tech-c:         BT4165-RIPE
tech-c:         LDS364-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         tr-bursabilteknoloji-1-mnt
created:        2023-12-20T10:03:40Z
last-modified:  2023-12-21T10:08:18Z
source:         RIPE

organisation:   ORG-LDS16-RIPE
org-name:       London Digital Systems LTD
country:        GB
org-type:       OTHER
address:        44C PALMERSTON CRESCENT PALMERS GREEN LONDON N13 4UA
abuse-c:        LDS364-RIPE
mnt-ref:        tr-bursabilteknoloji-1-mnt
mnt-by:         tr-bursabilteknoloji-1-mnt
created:        2023-12-14T16:56:20Z
last-modified:  2023-12-20T10:03:40Z
source:         RIPE # Filtered

role:           London Digital Systems
address:        44C PALMERSTON CRESCENT PALMERS GREEN LONDON N13 4UA
abuse-mailbox:  abuse@londondigitalsystems.com
nic-hdl:        LDS364-RIPE
mnt-by:         tr-bursabilteknoloji-1-mnt
created:        2023-12-14T16:55:20Z
last-modified:  2023-12-14T16:58:26Z
source:         RIPE # Filtered

person:         Bursabil Teknoloji
org:            ORG-BTA44-RIPE
address:        Gulbahce Mah. 5.Gazi Sk. No:4/B Osmangazi/BURSA
phone:          +90 224 252 52 12
nic-hdl:        BT4165-RIPE
mnt-by:         tr-bursabilteknoloji-1-mnt
created:        2018-04-29T21:16:12Z
last-modified:  2018-09-19T15:23:36Z
source:         RIPE

% 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" : "AS215130 - AS216475",
    "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" : "2025-02-18",
    "date_updated" : "2025-02-18",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS215821",
    "as_name" : "AS215821",
    "status" : "ASSIGNED",
    "import" : [ "from AS60721 accept ANY", "from AS24875 accept ANY" ],
    "export" : [ "to AS60721 announce AS215821", "to AS24875 announce AS215821" ],
    "organization" : "ORG-LDS16-RIPE",
    "sponsoring_organization" : "ORG-BTA44-RIPE",
    "admin_contacts" : [ "BT4165-RIPE", "LDS364-RIPE" ],
    "tech_contacts" : [ "BT4165-RIPE", "LDS364-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "tr-bursabilteknoloji-1-mnt" ],
    "date_created" : "2023-12-20",
    "date_updated" : "2023-12-21",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-LDS16-RIPE",
    "name" : "London Digital Systems LTD",
    "type" : "OTHER",
    "address" : [ "44C PALMERSTON CRESCENT PALMERS GREEN LONDON N13 4UA" ],
    "street" : "Palmerston Crescent",
    "city" : "London",
    "zip_code" : "N13 4UA",
    "country" : [ "GB" ],
    "abuse_contacts" : [ "LDS364-RIPE" ],
    "mnt_ref" : [ "tr-bursabilteknoloji-1-mnt" ],
    "mnt_by" : [ "tr-bursabilteknoloji-1-mnt" ],
    "date_created" : "2023-12-14",
    "date_updated" : "2023-12-20",
    "source" : "RIPE"
  },
  "administrative_contacts" : [ {
    "handle" : "BT4165-RIPE",
    "name" : "Bursabil Teknoloji",
    "address" : [ "Gulbahce Mah. 5.Gazi Sk. No:4/B Osmangazi/BURSA" ],
    "street" : "5.gazi Sk.",
    "city" : "Osmangazi/bursa",
    "phone" : [ "+90 224 252 52 12" ],
    "organizations" : [ "ORG-BTA44-RIPE" ],
    "mnt_by" : [ "tr-bursabilteknoloji-1-mnt" ],
    "date_created" : "2018-04-29",
    "date_updated" : "2018-09-19",
    "source" : "RIPE"
  }, {
    "handle" : "LDS364-RIPE",
    "name" : "London Digital Systems",
    "address" : [ "44C PALMERSTON CRESCENT PALMERS GREEN LONDON N13 4UA" ],
    "street" : "Palmerston Crescent",
    "city" : "London",
    "zip_code" : "N13 4UA",
    "abuse_mailbox" : [ "abuse@londondigitalsystems.com" ],
    "mnt_by" : [ "tr-bursabilteknoloji-1-mnt" ],
    "date_created" : "2023-12-14",
    "date_updated" : "2023-12-14",
    "source" : "RIPE"
  } ],
  "technical_contacts" : [ {
    "handle" : "BT4165-RIPE",
    "name" : "Bursabil Teknoloji",
    "address" : [ "Gulbahce Mah. 5.Gazi Sk. No:4/B Osmangazi/BURSA" ],
    "street" : "5.gazi Sk.",
    "city" : "Osmangazi/bursa",
    "phone" : [ "+90 224 252 52 12" ],
    "organizations" : [ "ORG-BTA44-RIPE" ],
    "mnt_by" : [ "tr-bursabilteknoloji-1-mnt" ],
    "date_created" : "2018-04-29",
    "date_updated" : "2018-09-19",
    "source" : "RIPE"
  }, {
    "handle" : "LDS364-RIPE",
    "name" : "London Digital Systems",
    "address" : [ "44C PALMERSTON CRESCENT PALMERS GREEN LONDON N13 4UA" ],
    "street" : "Palmerston Crescent",
    "city" : "London",
    "zip_code" : "N13 4UA",
    "abuse_mailbox" : [ "abuse@londondigitalsystems.com" ],
    "mnt_by" : [ "tr-bursabilteknoloji-1-mnt" ],
    "date_created" : "2023-12-14",
    "date_updated" : "2023-12-14",
    "source" : "RIPE"
  } ]
}

Peers

AS Number	Description	Country
AS60721	Bursabil Teknoloji A.S.	TR
AS24875	NovoServe B.V.	NL

Upstreams

AS Number	Description	Country
AS24875	NovoServe B.V.	NL