AS215821 London Digital Systems LTD

United Kingdom AS215821 RIPE 3 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

768

IPv6 /48 networks

RPKI

3 valid1 no ROA

Peers and downstreams

Holder

AS name: AS215821
Description: London Digital Systems LTD
Organisation: London Digital Systems LTD
Abuse contact: info@londondigitalsystems.com
Assigned: 2023-12-19
Registered: 2023-12-20
Record last changed: 2023-12-21 10:08 UTC

154.6.195.0/24 194.87.251.0/24 45.84.101.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 84/100

partly	Prefixes covered by valid ROAs 3 of 4 announced prefixes are RPKI valid, 1 have no ROA.	19/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 1 IPv6 prefix.	15/15
pass	More than one upstream 2 upstreams seen in BGP.	10/10
pass	Working abuse contact info@londondigitalsystems.com is published.	15/15
fail	Publishes a geofeed No geofeed found. Without one, location databases have to guess.	0/10
pass	No prefixes smaller than /24 or /48 All prefixes are /24 (IPv4) or /48 (IPv6) or larger.	10/10
pass	Registry record maintained Last changed 2023-12-21.	5/5

Built from the announced prefixes, RPKI, the registry record and geofeeds. Checks without data are not counted. Also in the API.

Show this on your website

HTML

<a href="https://ip-fd.net/asn/215821"><img src="https://ip-fd.net/badge/asn/215821/health.svg" alt="AS215821 network health on IP-FD.net"></a>

Markdown

[![AS215821 network health](https://ip-fd.net/badge/asn/215821/health.svg)](https://ip-fd.net/asn/215821)

Use rpki.svg instead of health.svg for the RPKI badge.

Routing changes

Last 30 days

2026-10-04 14:33 UTC	New neighbour	AS211826	upstream
2026-10-04 14:33 UTC	New prefix	154.6.195.0/24

WHOIS

aut-num:        AS215821
as-name:        AS215821
org:            ORG-LDS16-RIPE
sponsoring-org: ORG-BTA44-RIPE
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
% 4 routing policy lines (import/export) not shown

Routing data

Updated just now

Registry record

Fetched just now from RIPE

Prefixes and neighbours come from the RIPE RIS route collectors. Data older than 5 minutes is refreshed when this page is opened.

API

curl -H "X-API-Key: YOUR_KEY" https://ip-fd.net/api/v1/asn/215821

const res = await fetch('https://ip-fd.net/api/v1/asn/215821', {
  headers: { 'X-API-Key': 'YOUR_KEY' }
});
const data = await res.json();
console.log(data);

import requests

r = requests.get('https://ip-fd.net/api/v1/asn/215821', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/215821');
curl_setopt($ch, CURLOPT_HTTPHEADER, ['X-API-Key: YOUR_KEY']);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$data = json_decode(curl_exec($ch), true);
print_r($data);

req, _ := http.NewRequest("GET", "https://ip-fd.net/api/v1/asn/215821", nil)
req.Header.Set("X-API-Key", "YOUR_KEY")
res, err := http.DefaultClient.Do(req)
if err != nil {
    log.Fatal(err)
}
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))

Works without a key at a lower rate. Get a free key.

AS24875	NovoServe B.V. NOVOSERVE-AS
AS211826	Stability for Integrated Server Hosting Ltd ISTQSERVERS-AS