AS61429 Castor Marine B.V.

Netherlands AS-CASTOR RIPE 19 IPv4 prefixes 0 IPv6 prefixes

IPv4 addresses

5,120

IPv6 /48 networks

RPKI

18 valid1 no ROA

Peers and downstreams

Holder

AS name: AS-CASTOR
Description: Castor Marine B.V.
Organisation: Castor Marine B.V.
Registered in: De Meern, Netherlands
Abuse contact: abuse@castornetworks.com
Assigned: 2012-10-11
Registered: 2012-10-12
Record last changed: 2025-08-12 13:53 UTC

185.6.108.0/24 185.6.109.0/24 185.6.110.0/24 185.6.111.0/24 38.125.107.0/24 62.41.10.0/24 62.41.2.0/24 62.41.20.0/24 62.41.21.0/24 62.41.59.0/24 62.41.60.0/24 81.23.240.0/23 92.71.10.0/24 92.71.11.0/24 92.71.15.0/24 92.71.16.0/24 92.71.19.0/24 92.71.20.0/24 92.71.22.0/24

Routing changes

Last 30 days

2026-10-04 07:52 UTC

Relationship changed

AS286

upstream to peer

WHOIS

aut-num:        AS61429
as-name:        AS-CASTOR
abuse-c:        AR54144-RIPE
org:            ORG-CHB2-RIPE
admin-c:        IET20-RIPE
tech-c:         IET20-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         castor-mnt
created:        2012-10-12T12:04:33Z
last-modified:  2025-08-12T13:53:57Z
source:         RIPE
% 7 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/61429

const res = await fetch('https://ip-fd.net/api/v1/asn/61429', {
  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/61429', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/61429');
curl_setopt($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/61429", 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.

AS174
AS3257	GTT Communications Inc. GTT-BACKBONE