AS210507 Chiao Jen-Yung

Taiwan Chiao-Jen-Yung RIPE 2 IPv4 prefixes 0 IPv6 prefixes

IPv4 addresses

512

IPv6 /48 networks

RPKI

2 valid0 no ROA

Peers and downstreams

Holder

AS name: Chiao-Jen-Yung
Description: Chiao Jen-Yung
Organisation: Chiao Jen-Yung
Registered in: New Taipei City, Taiwan
Abuse contact: cat@beidouhost.net
Assigned: 2025-07-15
Registered: 2025-07-16
Record last changed: 2025-07-16 13:08 UTC

154.81.6.0/24 154.81.7.0/24

Network health

Grade C · 65/100

pass	Prefixes covered by valid ROAs 2 of 2 announced prefixes are RPKI valid.	25/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
fail	Announces IPv6 No IPv6 prefixes are announced.	0/15
fail	More than one upstream No upstream seen (it may be a peering-only or transit network).	0/10
pass	Working abuse contact cat@beidouhost.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
pass	Registry record maintained Last changed 2025-07-16.	5/5

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/210507"><img src="https://ip-fd.net/badge/asn/210507/health.svg" alt="AS210507 network health on IP-FD.net"></a>

Markdown

[![AS210507 network health](https://ip-fd.net/badge/asn/210507/health.svg)](https://ip-fd.net/asn/210507)

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

Routing changes

Last 30 days

2026-10-04 15:14 UTC	Prefix gone	78.105.118.0/24
2026-10-04 15:14 UTC	New prefix	154.81.6.0/24
2026-10-04 15:14 UTC	New prefix	154.81.7.0/24

WHOIS

aut-num:        AS210507
as-name:        Chiao-Jen-Yung
org:            ORG-CJ249-RIPE
sponsoring-org: ORG-SDCL5-RIPE
admin-c:        JH29533-RIPE
admin-c:        CJ5915-RIPE
tech-c:         JH29533-RIPE
tech-c:         CJ5915-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         mnt-tw-sky-digital-1
created:        2025-07-16T13:08:02Z
last-modified:  2025-07-16T13:08:02Z
source:         RIPE
% 4 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/210507

const res = await fetch('https://ip-fd.net/api/v1/asn/210507', {
  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/210507', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/210507');
curl_setopt($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/210507", 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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