HomeASN LookupAS204211

AS204211 LOCYAN-NETWORK-AS Shanghai Yingyun Network Technology Co., Ltd.

🇨🇳

Org handle: ORG-SYNT7-RIPE

LoCyanTeam

RIPE NCCallocatedASPA Published
Announced Prefixes (BGP)
17total
1 IPv416 IPv6
IPv4 Addresses
Allocated (RIR)0
Announced (BGP)256
IPv6 Addresses
Allocated (RIR)8.9×10²⁸
Announced (BGP)1.9×10²⁵
Prefix Limit (IPv4)
10
Prefix Limit (IPv6)
50
Country
🇨🇳 CN
RIR
RIPE NCC
Status
allocated
Allocated
2025-10-31

Routing hygiene

Score 3/100 · Low risk
RPKI ROA coverage
94.1%
no RPKI invalid prefixes
IRR route objects
100%
no origin mismatches
Hijack signals
0
0 announced against others' ROAs, 0 own announced by others
Upstreams
8
diversity 85/100
  • No significant routing hygiene issues found

Based on 17 announced prefixes, updated daily (2026-10-25). How the score works · RPKI explained

Announced Prefixes

(BGP)17
|
Prefix
RPKI
IRR
Last Seen
44.30.171.0/24
No ROA
Other IRR
2026-10-27
2602:f9f6:450::/48
 Valid
ARIN
2026-10-27
2a0a:d685:1e0::/48
 Valid
RIPE
2026-10-27
2a0a:d685:1fd::/48MOAS
 Valid
RIPE
2026-10-27
2a0f:9400:6110::/48MOAS
 Valid
RIPE
2026-10-27
2a12:cb47:ffff::/48MOAS
 Valid
RIPE
2026-10-27
2a14:7586:6100::/48
 Valid
RIPE
2026-10-27
2a14:7586:6101::/48
 Valid
RIPE
2026-10-27
2a14:7586:6102::/48
 Valid
RIPE
2026-10-27
2a14:7586:6103::/48
 Valid
RIPE
2026-10-27
1-10 of 17
1 / 2

Allocated Prefixes

(RIR)17
Prefix
Country
RIR
Status
2a0a:d685::/32🇨🇳 CNRIPEassigned
2a0a:d685::/36🇯🇵 JPRIPEassigned
2a0a:d685:1e0::/48🇯🇵 JPRIPEassigned
2a14:67c3:2330::/44🇨🇳 CNRIPEassigned
2a14:7581:3090::/44🇺🇸 USRIPEassigned
2a14:7586:6000::/36🇨🇳 CNRIPEassigned
2a14:7586:6100::/48🇺🇸 USRIPEassigned
2a14:7586:6101::/48🇨🇳 CNRIPEassigned
2a14:7586:6102::/48🇨🇦 CARIPEassigned
2a14:7586:6103::/48🇨🇳 CNRIPEassigned
1-10 of 17
1 / 2

All 17 announced prefixes of AS204211 →

Upstream Providers(24)

ASNName
AS174🇺🇸COGENT-174 - Cogent Communications, LLC
AS6939🇺🇸HURRICANE - Hurricane Electric LLC
AS40929🇺🇸MOEDOVE-BN - MoeDove
AS44324🇺🇸MOEDOVE-AS MoeDove LLC
AS47778🇺🇸SUNOAKI-NET-BACKBONE Sunoaki Network LLC
AS51087🇬🇧BLING-AS Bling Network Ltd
AS53667🇺🇸PONYNET - FranTech Solutions
AS53808🇺🇸MOEDOVE-N2 - MoeDove
AS56584🇳🇱INTER-IX InterEdge B.V.
AS62246🇬🇧WJY-AS WJY Limited
AS139317🇨🇳ZX-AS-AP - Ningbo Dahuamao Information Technology Co Ltd
AS151673🇨🇳CHENXINYU-AS-AP - Chen Xinyu
AS201944🇨🇳PYSIO-NEXT-NETWORK HaoRan Liu
AS202119🇩🇰MALTHETANKRED Malthe Kragh Tankred
AS204539🇬🇧AXIC-Axivora-Connect-Ltd Axivora Connect Ltd
AS206069🇬🇧CORNSEED Cornseed Limited
AS207529🇬🇧NyanLoliNetwork NYANLOLI LTD
AS210176🇨🇳AppleBlock-Network Haoyi Xiang
AS210352🇨🇳YijiaXu Yijia Xu
AS210440🇬🇧Akaere-NetWork AKAERE NETWORKS TECHNOLOGY LTD
AS210773🇨🇳NEKOPIXEL-NETWORK Yujie Zhao
AS213605🇨🇳Pysio-Research-NetWork Liu HaoRan
AS215172🇬🇧JIANYUELAB-AS JIANYUELAB LTD
AS401804🇺🇸MAXWELL - Maxwell Telecom LLC

Downstream Customers(16)

ASNName
AS40929🇺🇸MOEDOVE-BN - MoeDove
AS47778🇺🇸SUNOAKI-NET-BACKBONE Sunoaki Network LLC
AS139317🇨🇳ZX-AS-AP - Ningbo Dahuamao Information Technology Co Ltd
AS199310🇨🇳QFLink-AS XIN BING XIAN
AS202335🇨🇳HAIMA-AS Zhanrui Tian
AS202939🇬🇧CHIMON-NETWORK Chimon Technology Ltd
AS203309🇨🇳CHOCO-AS Liangyi Ma
AS204921🇬🇧YunZheng-Network zhenyun sun
AS205369🇨🇳iYoRoy-Network LI YIRAN
AS207303🇨🇳AYUMU-NETWORK Xilin Xie
AS207529🇬🇧NyanLoliNetwork NYANLOLI LTD
AS210352🇨🇳YijiaXu Yijia Xu
AS211729🇺🇸BAIYUEXIAO-AS Yiming Zhang
AS214933🇨🇳BAKAPUB-NETWORK Bingxin Liu
AS219378🇨🇳SAKARIN-NETWORK ZHANG XIYUAN
AS219489🇨🇳AS-MZKNET Zhengda Li

BGP Neighbours

(seen in AS paths)

Upstreams (8)

Networks AS204211 hands its own prefixes to: transit providers, or peers at an exchange.

  • AS206069CORNSEED Limited4
  • AS6939Hurricane Electric3
  • AS44324MOEDOVE2
  • AS139317Ningbo Dahuamao Information Technology2
  • AS204539AXIC Axivora Connect Axivora Connect2
  • AS207529NyanLoliNetwork NYANLOLI2
  • AS51087BLING Network1
  • AS210352YijiaXu Yijia Xu1

Downstreams (13)

Networks whose own prefixes AS204211 passes on: usually its customers.

  • AS198681REIA NETWORK Jinquan Zeng5
  • AS203314HATS NETWORK HATS NETWORK2
  • AS211729BAIYUEXIAO Yiming Zhang2
  • AS219378SAKARIN NETWORK ZHANG XIYUAN2
  • AS47778SUNOAKI NET BACKBONE Sunoaki Network1
  • AS57330GiraffeTech Sichuan Giraffe Technology1
  • AS197817NYCO CLOUD NETWORK Nyco Cloud Network1
  • AS201705XLI NET Xinrun Li1
  • AS202396ZYK Zeng Yukai1
  • AS203923HOYOVERSE NETWORK1
  • AS204921YunZheng Network Zhenyun Sun1
  • AS215502Yxom Network Xing Qingyu1
  • AS218538ARGSMENT LIMITED1

Other adjacent networks (3)

Adjacent to AS204211 in the transit part of AS paths: peers, providers or customers.

Transfer History

Registry transfers of AS204211 between organisations.

2
ASPA
Published24 upstreams, 16 downstreams
Authorized Upstream Providers
AS174AS6939AS40929AS44324AS47778AS51087AS53667AS53808AS56584AS62246AS139317AS151673AS201944AS202119AS204539AS206069AS207529AS210176AS210352AS210440AS210773AS213605AS215172AS401804
Expires 2026-10-28
Listed as Upstream Provider by
16 ASNs
View full ASPA details →
Abuse Contact
External Links
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Learn more

API
Open
GEThttps://api.ipctl.io/v1/asn/204211

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/204211" | jq