AS49250 onecentral B.V.

Netherlands onecentral RIPE 11 IPv4 prefixes 4 IPv6 prefixes

IPv4 addresses

4,352

IPv6 /48 networks

524,288

RPKI

15 valid0 no ROA

Peers and downstreams

Holder

AS name: onecentral
Description: onecentral B.V.
Organisation: onecentral B.V.
Registered in: Haarlem, Netherlands
Abuse contact: abuse@onecentral.net
Assigned: 2009-05-06
Registered: 2009-05-07
Record last changed: 2023-02-09 00:13 UTC

185.191.12.0/22 185.191.12.0/23 185.191.12.0/24 37.1.104.0/21 37.1.104.0/23 37.1.106.0/23 37.1.108.0/23 45.149.248.0/23 45.149.250.0/24 91.212.183.0/24 91.223.233.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 85/100

pass	Prefixes covered by valid ROAs 15 of 15 announced prefixes are RPKI valid.	25/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 4 IPv6 prefixes.	15/15
pass	More than one upstream 4 upstreams seen in BGP.	10/10
pass	Working abuse contact abuse@onecentral.net 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
fail	Registry record maintained Last changed 2023-02-09.	0/5

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/49250"><img src="https://ip-fd.net/badge/asn/49250/health.svg" alt="AS49250 network health on IP-FD.net"></a>

Markdown

[![AS49250 network health](https://ip-fd.net/badge/asn/49250/health.svg)](https://ip-fd.net/asn/49250)

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

Routing changes

Last 30 days

2026-10-05 16:39 UTC	Relationship changed	AS49127	upstream to peer
2026-10-05 16:39 UTC	Relationship changed	AS24482	upstream to peer
2026-10-05 16:39 UTC	New neighbour	AS15830	peer
2026-10-05 16:39 UTC	Relationship changed	AS137409	upstream to peer

WHOIS

aut-num:        AS49250
as-name:        onecentral
org:            ORG-oB27-RIPE
admin-c:        ONEC
tech-c:         ONEC
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         ONECENTRAL
created:        2009-05-07T07:47:28Z
last-modified:  2023-02-09T00:13:15Z
source:         RIPE
% 11 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/49250

const res = await fetch('https://ip-fd.net/api/v1/asn/49250', {
  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/49250', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/49250');
curl_setopt($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/49250", 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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AS137409	GSL Networks Pty LTD GSLNETWORKS-AS-AP