AS203909 Mainframe-Net

Sweden MAINFRAME-NET RIPE 1 IPv4 prefix 1 IPv6 prefix

IPv4 addresses

256

IPv6 /48 networks

RPKI

2 valid0 no ROA

Peers and downstreams

Holder

AS name: MAINFRAME-NET
Description: Mainframe Networks For more information, see https://as203909.net
Organisation: Christian Svensson
Registered in: Stockholm, Sweden
Abuse contact: abuse@cmd.nu
Assigned: 2025-11-10
Registered: 2025-11-11
Record last changed: 2025-11-11 17:15 UTC

193.228.143.0/24

Routing changes

Last 30 days

No changes recorded in the last 30 days. Changes are recorded each time the routing data of this AS is refreshed. Get alerts in real time.

WHOIS

aut-num:        AS203909
descr:          Mainframe Networks
descr:          For more information, see https://as203909.net
as-name:        MAINFRAME-NET
org:            ORG-BCMD1-RIPE
sponsoring-org: ORG-KNIF1-RIPE
admin-c:        BCMD-RIPE
tech-c:         BCMD-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         BLUECMD-MNT
created:        2025-11-11T09:29:42Z
last-modified:  2025-11-11T17:15:47Z
source:         RIPE
% 6 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/203909

const res = await fetch('https://ip-fd.net/api/v1/asn/203909', {
  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/203909', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/203909');
curl_setopt($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/203909", 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))

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