AS219207 YIYUAN CHEN

China AS-FUYANG-SIQIN RIPE 0 IPv4 prefixes 10 IPv6 prefixes

IPv4 addresses

IPv6 /48 networks

629,520

RPKI

7 valid3 no ROA

Peers and downstreams

Holder

AS name: AS-FUYANG-SIQIN
Description: YIYUAN CHEN
Organisation: YIYUAN CHEN
Abuse contact: ahut0316@gmail.com
Assigned: 2026-07-14
Registered: 2026-07-15
Record last changed: 2026-08-30 16:14 UTC

None announced.

Routing changes

Last 30 days

2026-10-04 04:38 UTC	New neighbour	AS219208	downstream
2026-10-04 04:38 UTC	New neighbour	AS213438	peer
2026-10-04 04:38 UTC	New neighbour	AS203446	peer
2026-10-04 04:38 UTC	Prefix gone	2a0f:a140::/29
2026-10-04 04:38 UTC	Prefix gone	2a0f:6281:8000::/33
2026-10-04 04:38 UTC	Prefix gone	2a0f:6281::/32
2026-10-04 04:38 UTC	Prefix gone	2a06:de07:f800::/38
2026-10-04 04:38 UTC	New prefix	2a0f:7304::/30
2026-10-04 04:38 UTC	New prefix	2a0f:7300::/30

WHOIS

aut-num:        AS219207
as-name:        AS-FUYANG-SIQIN
org:            ORG-YC31-RIPE
sponsoring-org: ORG-NDIT1-RIPE
admin-c:        RD10301-RIPE
tech-c:         RD10301-RIPE
remarks:        SMARTNET-DELTA-ASN-VERIFY-316-83117daf161c5a0c
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         YYC-MNT
created:        2026-07-15T07:47:44Z
last-modified:  2026-08-30T16:14:41Z
source:         RIPE
% 12 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/219207

const res = await fetch('https://ip-fd.net/api/v1/asn/219207', {
  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/219207', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/219207');
curl_setopt($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/219207", 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.

AS203446	SMARTNET Germany GmbH AS203446
AS213438	ColocaTel Inc. colocatel-inc