AS212762 Casper Krook trading as Ck IT Solutions

Netherlands CK-IT-AS RIPE 1 IPv4 prefix 3 IPv6 prefixes

IPv4 addresses

256

IPv6 /48 networks

RPKI

4 valid0 no ROA

Peers and downstreams

Holder

AS name: CK-IT-AS
Description: Casper Krook trading as Ck IT Solutions
Organisation: Casper Krook trading as Ck IT Solutions
Abuse contact: abuse@ck-hosting.com
Assigned: 2023-06-18
Registered: 2023-06-19
Record last changed: 2025-04-04 12:14 UTC

146.103.47.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade A · 95/100

pass	Prefixes covered by valid ROAs 4 of 4 announced prefixes are RPKI valid.	25/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 3 IPv6 prefixes.	15/15
partly	More than one upstream 1 upstream seen in BGP.	5/10
pass	Working abuse contact abuse@ck-hosting.com is published.	15/15
pass	Publishes a geofeed A geofeed (RFC 8805) tells where the address space is used.	10/10
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 2025-04-04.	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/212762"><img src="https://ip-fd.net/badge/asn/212762/health.svg" alt="AS212762 network health on IP-FD.net"></a>

Markdown

[![AS212762 network health](https://ip-fd.net/badge/asn/212762/health.svg)](https://ip-fd.net/asn/212762)

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

Routing changes

Last 30 days

2026-10-04 10:13 UTC	Neighbour gone	AS215628	peer
2026-10-04 10:13 UTC	Neighbour gone	AS56655	upstream
2026-10-04 10:13 UTC	Neighbour gone	AS8283	upstream
2026-10-04 10:13 UTC	Neighbour gone	AS7721	peer
2026-10-04 10:13 UTC	New neighbour	AS205838	downstream
2026-10-04 10:13 UTC	Relationship changed	AS6939	upstream to peer
2026-10-04 10:13 UTC	Relationship changed	AS6663	upstream to peer
2026-10-04 10:13 UTC	Relationship changed	AS6204	upstream to peer
2026-10-04 10:13 UTC	Relationship changed	AS61049	upstream to peer
2026-10-04 10:13 UTC	Relationship changed	AS56911	upstream to peer
2026-10-04 10:13 UTC	Relationship changed	AS50629	upstream to peer
2026-10-04 10:13 UTC	Relationship changed	AS50304	upstream to peer
2026-10-04 10:13 UTC	Relationship changed	AS41327	upstream to peer
2026-10-04 10:13 UTC	Relationship changed	AS34872	upstream to peer
2026-10-04 10:13 UTC	Relationship changed	AS24961	upstream to peer
2026-10-04 10:13 UTC	Relationship changed	AS20764	upstream to peer
2026-10-04 10:13 UTC	Relationship changed	AS20326	upstream to peer
2026-10-04 10:13 UTC	Relationship changed	AS12859	upstream to peer
2026-10-04 10:13 UTC	Relationship changed	AS1031	upstream to peer

WHOIS

aut-num:        AS212762
as-name:        CK-IT-AS
org:            ORG-CIS57-RIPE
sponsoring-org: ORG-ZHL2-RIPE
admin-c:        ACRO51890-RIPE
tech-c:         ACRO51890-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         CK-ITSOLUTIONS-MNT
created:        2023-06-19T07:27:59Z
last-modified:  2025-04-04T12:14:12Z
source:         RIPE
% 8 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/212762

const res = await fetch('https://ip-fd.net/api/v1/asn/212762', {
  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/212762', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/212762');
curl_setopt($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/212762", 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.

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