AS17621 China Unicom Shanghai network
IPv4 addresses
1,022,464
IPv6 /48 networks
1,559,179
RPKI
796 valid4 invalid11 no ROA
Peers and downstreams
48
Holder
- AS name
- CNCGROUP-SH
- Description
- China Unicom Shanghai network
- Organisation
- China Unicom Shanghai network
- Abuse contact
- Not published
- Assigned
- 2001-01-17
- Registered
- 2008-09-04
- Record last changed
- 2023-10-21 03:42 UTC
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| AS109 | |
| AS7609 | Morgan Stanley Management Service (Shanghai) Limited MSMSL-AS-AP |
| AS9809 | SHENZHEN NOVA TECHNOLOGIES DEVELOPMENT.,LTD. NovaNetwork |
| AS10100 | UBS Group AG UBSGROUPAG-AS-AP |
| AS10212 | China Enterprise ICT Solutions Limited CHINAENTERCOM |
| AS17739 | Shanghai Telecom Haplink Network Co., Ltd HAPLINK-CN-AP |
| AS17775 | shanghai science and technology network communication limited company STN-CN |
| AS18244 | Stateline Internet Data Center Co., Ltd. Shanghai STIDC |
| AS23853 | Shanghai Data Solution Co., Ltd. CNNIC-DSNET-AP |
| AS24141 | Shanghai DMT Information Network cor.,LTD. DMTNET |
| AS37963 | Hangzhou Alibaba Advertising Co.,Ltd. ALIBABA-CN-NET |
| AS37965 | Pacnet Business Solutions LTD CNNIC-PBSL-AP |
| AS38375 | GSGH security LLC GSGH |
| AS38381 | west wing no.157,dongsi west street Dongcheng, Beijing, China travelsky |
| AS45061 | Shanghai Information Network Co.,Ltd. SIN |
| AS45073 | CNNIC ASN block AS45073-18 |
| AS45079 | GDS CHANGAN SERVICES Ltd. GDSNET |
| AS45110 | Beijing Tian Wei Xin Tong technology corp. limited. CBCnet |
| AS55956 | Magna Automotive Technology and Service(Shanghai)Co.,Ltd Magna-Asiapacific |
| AS55992 | Beijing Qihu Technology Company Limited QIHOO |
| AS55996 | CYPRESS TELECOM (CHINA) LIMITED CYPRESSTEL |
| AS56006 | Shanghai Pudong Development Bank Co.,Ltd. SPDB-CN |
| AS56013 | SAMSUNG SDS CHINA SDSC |
| AS58593 | Shanghai Blue Cloud Technology Co.,Ltd BLUECLOUD |
| AS58850 | Bloomberg Financial Information (Beijing) Co Ltd BBGINETCN |
| AS59019 | Beijing Kingsoft Cloud Internet Technology Co., Ltd BJKSCNET |
| AS59078 | Yunify Technologies Inc. YUNIFY-NET |
| AS59083 | Shanghai Kuanhui Tech. Co.,ltd KHTech |
| AS63538 | Accenture (China) Co.,Ltd ACNET-CN |
| AS63570 | China Internet Network Information Center AS63570-41 |
| AS63603 | GSS China GSS-Networks |
| AS63641 | Mega Vantage Information Consulting Co., Ltd. MVNET |
| AS63689 | Esun Technology(Shanghai) Co.,Ltd ESUNNET |
| AS133475 | New York University ASN NEWYORKUNIVERSITY-AS-SHANGHAI |
| AS135432 | Visa Information Technology Beijing Co. Ltd. VISA-AS-AP |
| AS137715 | GTJA Securities GTJANET |
| AS137746 | China Internet Network Information Center AS137746-38 |
| AS137758 | Industrial and Commercial Bank of China Limited,ICBC ICBC-AstroNet |
| AS137759 | MTS SYSTEM (China) Co.,Ltd MTSCHINANET |
| AS137782 | STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER COMPANY SHDCCENTRE |
| AS139138 | Gopay Information Technology Co.,Ltd GOPAY |
| AS139148 | China UnionPay Co., Ltd CHINAUNIONPAY |
| AS139179 | China Pacific Insurance (Group) Co.,Ltd. CPIC |
| AS139184 | China Central Depository & Clearing Co., Ltd. CCDC-CN |
| AS146758 | ShangHai Sensetime Technology Development Co., Ltd. SENSETIME |
| AS146842 | ChinaDataCom Corporation Limited CDC-SAP-DC-SHA |
| AS151247 | HSBC Software Development (Guangdong) Limited Shanghai Branch HSDC-CN |
| AS151313 | Pacific Insurance Technology Co., Ltd TAIBAO-KEJI-NET |
None seen.
Upstream graph
Upstreams and their upstreams, from BGP pathsNetwork health
Grade B · 80/100| partly | Prefixes covered by valid ROAs 796 of 811 announced prefixes are RPKI valid, 11 have no ROA. |
25/25 |
| fail | No RPKI invalid announcements 4 announced prefixes are RPKI invalid and dropped by networks that validate. |
0/10 |
| pass | Announces IPv6 424 IPv6 prefixes. |
15/15 |
| pass | More than one upstream 2 upstreams seen in BGP. |
10/10 |
| pass | Working abuse contact hqs-ipabuse@chinaunicom.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 2023-10-21. |
5/5 |
Built from the announced prefixes, RPKI, the registry record and geofeeds. Checks without data are not counted. Also in the API.
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<a href="https://ip-fd.net/asn/17621"><img src="https://ip-fd.net/badge/asn/17621/health.svg" alt="AS17621 network health on IP-FD.net"></a>
Markdown
[](https://ip-fd.net/asn/17621)
Use rpki.svg instead of health.svg for the RPKI badge.
Routing changes
Last 30 days| 2026-10-04 10:38 UTC | New prefix | 223.167.77.0/24 | |
| 2026-10-04 10:38 UTC | New prefix | 139.227.3.0/24 | |
| 2026-10-04 10:38 UTC | New prefix | 139.227.254.0/24 | |
| 2026-10-04 10:38 UTC | New prefix | 139.227.251.0/24 | |
| 2026-10-04 10:38 UTC | New prefix | 103.200.223.0/24 | |
| 2026-10-04 10:38 UTC | New prefix | 43.243.151.0/24 | |
| 2026-10-04 10:38 UTC | New prefix | 103.38.235.0/24 | |
| 2026-10-04 10:38 UTC | New prefix | 2408:890c:1c0::/42 | |
| 2026-10-04 10:38 UTC | New prefix | 2408:890c:180::/42 | |
| 2026-10-04 10:38 UTC | New prefix | 43.243.149.0/24 | |
| 2026-10-04 10:38 UTC | New prefix | 43.243.150.0/24 |
WHOIS
aut-num: AS17621 as-name: CNCGROUP-SH handle: AS17621 remarks: China Unicom Shanghai network abuse: IRT-CU-CN (IRT-CU-CN) <hqs-ipabuse@chinaunicom.cn> technical,administrative:CH1302-AP (ChinaUnicom Hostmaster) <hqs-ipabuse@chinaunicom.cn> registration: 2008-09-04T06:40:30Z last changed: 2023-10-21T03:42:06Z source: APNIC (RDAP)