AS38854 Zenlayer-As-Tw

ZENLAYER-AS-TW APNIC 16 IPv4 prefixes 5 IPv6 prefixes

IPv4 addresses

4,608

IPv6 /48 networks

65,540

RPKI

16 valid3 invalid2 no ROA

Peers and downstreams

Holder

AS name: ZENLAYER-AS-TW
Description: Zenlayer 50, 2nd Floor, No.163, Nanjing West Road, Datong District, Taipei City
Organisation: Not published
Abuse contact: Not published
Registered: 2009-09-29
Record last changed: 2009-09-29 06:04 UTC

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade D · 49/100

partly	Prefixes covered by valid ROAs 16 of 21 announced prefixes are RPKI valid, 2 have no ROA.	19/25
fail	No RPKI invalid announcements 3 announced prefixes are RPKI invalid and dropped by networks that validate.	0/10
pass	Announces IPv6 5 IPv6 prefixes.	15/15
partly	More than one upstream 1 upstream seen in BGP.	5/10
fail	Working abuse contact No abuse contact is published in the registry.	0/15
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 2009-09-29.	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/38854"><img src="https://ip-fd.net/badge/asn/38854/health.svg" alt="AS38854 network health on IP-FD.net"></a>

Markdown

[![AS38854 network health](https://ip-fd.net/badge/asn/38854/health.svg)](https://ip-fd.net/asn/38854)

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

Routing changes

Last 30 days

2026-10-04 10:28 UTC	Prefix gone	87.232.88.0/24
2026-10-04 10:28 UTC	New prefix	82.39.194.0/24
2026-10-04 10:28 UTC	New prefix	82.39.193.0/24
2026-10-04 10:28 UTC	New prefix	23.247.129.0/24

WHOIS

aut-num:        AS38854
handle:         AS37888 - AS38911
remarks:        APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
technical,administrative:HM20-AP (APNIC Hostmaster) <helpdesk@apnic.net>
registration:   2009-09-29T06:04:16Z
last changed:   2009-09-29T06:04:16Z
source:         ARIN (RDAP)

Routing data

Updated just now

Registry record

Fetched just now from ARIN RDAP

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/38854

const res = await fetch('https://ip-fd.net/api/v1/asn/38854', {
  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/38854', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/38854');
curl_setopt($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/38854", 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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