AS131638 ZUSO Generation Co., Ltd.

Taiwan X32B535D8 APNIC 1 IPv4 prefix 1 IPv6 prefix

IPv4 addresses

256

IPv6 /48 networks

RPKI

2 valid0 no ROA

Peers and downstreams

Holder

AS name: X32B535D8
Description: ZUSO Generation Co., Ltd. 16F.-6, No. 213, Chaofu Rd., Xitun Dist., Taichung City 407609, Taiwan
Organisation: ZUSO Generation Co., Ltd.
Abuse contact: Not published
Assigned: 2011-07-20
Registered: 2025-12-04
Record last changed: 2026-01-26 08:54 UTC

138.252.13.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade A · 90/100

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
pass	Announces IPv6 1 IPv6 prefix.	15/15
pass	More than one upstream 2 upstreams seen in BGP.	10/10
pass	Working abuse contact zo@zuso.ai 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 2026-01-26.	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/131638"><img src="https://ip-fd.net/badge/asn/131638/health.svg" alt="AS131638 network health on IP-FD.net"></a>

Markdown

[![AS131638 network health](https://ip-fd.net/badge/asn/131638/health.svg)](https://ip-fd.net/asn/131638)

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

Routing changes

Last 30 days

2026-10-04 12:34 UTC

Neighbour gone

AS10133

upstream

WHOIS

aut-num:        AS131638
as-name:        X32B535D8
handle:         AS131638
remarks:        ZUSO Generation Co., Ltd.
remarks:        16F.-6, No. 213, Chaofu Rd., Xitun Dist., Taichung City 407609, Taiwan
remarks:        (oid:ZUSO)
technical,administrative:TR641-AP (TWNIC ROLE-ZUSO) <noc@zuso.ai>
abuse:          IRT-ZUSO-TW (IRT-ZUSO-TW) <zo@zuso.ai>
registration:   2025-12-04T04:01:14Z
last changed:   2026-01-26T08:54:22Z
source:         APNIC (RDAP)

Routing data

Updated just now

Registry record

Fetched just now from APNIC 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/131638

const res = await fetch('https://ip-fd.net/api/v1/asn/131638', {
  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/131638', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/131638');
curl_setopt($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/131638", 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.

AS17408	AboveNet Communications Taiwan ABOVE-AS-AP
AS63900	ZUSO Generation Co., Ltd. ZUSO