AS204211 Shanghai Yingyun Network Technology Co., Ltd.

China LOCYAN-NETWORK-AS RIPE 1 IPv4 prefix 13 IPv6 prefixes

IPv4 addresses

256

IPv6 /48 networks

RPKI

13 valid1 no ROA

Peers and downstreams

Holder

AS name: LOCYAN-NETWORK-AS
Description: LoCyanTeam
Organisation: Shanghai Yingyun Network Technology Co., Ltd.
Registered in: Shanghai, China
Abuse contact: daiyangcheng@locyan.cn
Assigned: 2025-10-30
Registered: 2025-10-31
Record last changed: 2026-09-07 11:38 UTC

44.30.171.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 88/100

partly	Prefixes covered by valid ROAs 13 of 14 announced prefixes are RPKI valid, 1 have no ROA.	23/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 13 IPv6 prefixes.	15/15
pass	More than one upstream 5 upstreams seen in BGP.	10/10
pass	Working abuse contact daiyangcheng@locyan.cn 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 2026-09-07.	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/204211"><img src="https://ip-fd.net/badge/asn/204211/health.svg" alt="AS204211 network health on IP-FD.net"></a>

Markdown

[![AS204211 network health](https://ip-fd.net/badge/asn/204211/health.svg)](https://ip-fd.net/asn/204211)

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

Routing changes

Last 30 days

2026-10-05 11:27 UTC	Neighbour gone	AS41666	peer
2026-10-05 11:27 UTC	Neighbour gone	AS41051	upstream
2026-10-05 11:27 UTC	New neighbour	AS8888	peer
2026-10-05 11:27 UTC	New neighbour	AS56662	peer
2026-10-05 11:27 UTC	New neighbour	AS28917	peer
2026-10-05 11:27 UTC	New neighbour	AS219332	downstream
2026-10-05 11:27 UTC	New neighbour	AS205369	downstream
2026-10-05 11:27 UTC	New neighbour	AS202335	downstream
2026-10-05 11:27 UTC	New neighbour	AS151785	downstream
2026-10-05 11:27 UTC	Relationship changed	AS8298	upstream to peer
2026-10-05 11:27 UTC	Relationship changed	AS6939	upstream to peer
2026-10-05 11:27 UTC	Relationship changed	AS62000	upstream to peer
2026-10-05 11:27 UTC	New neighbour	AS56911	peer
2026-10-05 11:27 UTC	Relationship changed	AS56584	upstream to peer
2026-10-05 11:27 UTC	Relationship changed	AS51087	upstream to peer
2026-10-05 11:27 UTC	Relationship changed	AS48646	upstream to peer
2026-10-05 11:27 UTC	New neighbour	AS44324	upstream
2026-10-05 11:27 UTC	Relationship changed	AS401804	upstream to peer
2026-10-05 11:27 UTC	Relationship changed	AS401753	upstream to peer
2026-10-05 11:27 UTC	Relationship changed	AS25091	upstream to peer
2026-10-05 11:27 UTC	New neighbour	AS204539	upstream
2026-10-05 11:27 UTC	Prefix gone	2a14:7586:6105::/48
2026-10-05 11:27 UTC	New prefix	2a0f:9400:6110::/48
2026-10-05 11:27 UTC	New prefix	2a14:7586:6115::/48
2026-10-05 11:27 UTC	New prefix	2a14:7586:6107::/48

WHOIS

aut-num:        AS204211
as-name:        LOCYAN-NETWORK-AS
org:            ORG-SYNT7-RIPE
descr:          LoCyanTeam
sponsoring-org: ORG-ML942-RIPE
admin-c:        SYNT2-RIPE
tech-c:         SYNT2-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         LOCYAN-MNT
created:        2025-10-31T11:35:11Z
last-modified:  2026-09-07T11:38:21Z
source:         RIPE

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/204211

const res = await fetch('https://ip-fd.net/api/v1/asn/204211', {
  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/204211', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/204211');
curl_setopt($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/204211", 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.

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