AS51257 CERIZ SASU

France CERIZ RIPE 1 IPv4 prefix 2 IPv6 prefixes

IPv4 addresses

256

IPv6 /48 networks

524,288

RPKI

3 valid0 no ROA

Peers and downstreams

Holder

AS name: CERIZ
Description: CERIZ SASU
Organisation: CERIZ SASU
Registered in: Pontoise, France
Abuse contact: jerome@fair-telecom.fr
Assigned: 2016-01-04
Registered: 2016-01-05
Record last changed: 2024-01-27 11:38 UTC

171.22.146.0/24

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:        AS51257
as-name:        CERIZ
org:            ORG-CS398-RIPE
admin-c:        JN2000-RIPE
tech-c:         JN2000-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-CERIZ
created:        2016-01-05T10:49:07Z
last-modified:  2024-01-27T11:38:25Z
source:         RIPE
% 2 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/51257

const res = await fetch('https://ip-fd.net/api/v1/asn/51257', {
  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/51257', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/51257');
curl_setopt($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/51257", 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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