Autonomous System

AS17623 China Unicom Shenzen network

ISPActiveChinaAPNIC

AS17623 (CNCGROUP-SZ) is an ISP network operated by China Unicom Shenzen network in China, registered with APNIC. It has 809 IPv4 prefixes with 688,640 addresses and 459 IPv6 prefixes, which makes it the 559th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses688,640in 809 prefixes
IPv6 prefixes459≈ 2.1 × 10²⁸ addresses
Size rank#559of 82,200 active ASNs
Abuser scoreLow0.2% of its addresses flagged · method

Details

OrganizationChina Unicom Shenzen network
AS nameCNCGROUP-SZ
Websitechinaunicom.com.cn
Country China (CN)
Network typeISP
RegistryAPNIC
Abuse contactzhaoyz3@chinaunicom.cn
Registered—
Last updated2023-10-21

IPv4 prefixes

809 prefixes · 688,640 addresses
NetworkAddressesFirst – last address
27.38.0.0/1665,53627.38.0.0 – 27.38.255.255
58.250.0.0/1665,53658.250.0.0 – 58.250.255.255
58.251.0.0/1665,53658.251.0.0 – 58.251.255.255
163.125.0.0/1665,536163.125.0.0 – 163.125.255.255
27.46.0.0/1732,76827.46.0.0 – 27.46.127.255
112.95.0.0/1732,768112.95.0.0 – 112.95.127.255
112.95.128.0/1732,768112.95.128.0 – 112.95.255.255
210.21.192.0/1816,384210.21.192.0 – 210.21.255.255
27.39.32.0/198,19227.39.32.0 – 27.39.63.255
202.170.128.0/198,192202.170.128.0 – 202.170.159.255
210.22.0.0/198,192210.22.0.0 – 210.22.31.255
210.83.224.0/198,192210.83.224.0 – 210.83.255.255
157.122.0.0/204,096157.122.0.0 – 157.122.15.255
157.122.16.0/204,096157.122.16.0 – 157.122.31.255
157.122.32.0/204,096157.122.32.0 – 157.122.47.255
202.170.128.0/204,096202.170.128.0 – 202.170.143.255
202.170.144.0/204,096202.170.144.0 – 202.170.159.255
210.83.224.0/204,096210.83.224.0 – 210.83.239.255
210.83.240.0/204,096210.83.240.0 – 210.83.255.255
211.162.64.0/204,096211.162.64.0 – 211.162.79.255
220.249.240.0/204,096220.249.240.0 – 220.249.255.255
27.39.136.0/212,04827.39.136.0 – 27.39.143.255
27.40.16.0/212,04827.40.16.0 – 27.40.23.255
58.251.232.0/212,04858.251.232.0 – 58.251.239.255
106.3.224.0/212,048106.3.224.0 – 106.3.231.255
The 25 largest of 809. The API and the database have all of them.

IPv6 prefixes

459 prefixes
  • 2408:8256:2c00::/39
  • 2408:8256:2e00::/39
  • 2408:8256:3000::/39
  • 2408:8256:3200::/39
  • 2408:8256:3400::/39
  • 2408:8256:3600::/39
  • 2408:8256:3800::/39
  • 2408:8256:3a00::/39
  • 2408:8256:3c00::/39
  • 2408:8656:2c00::/39
  • 2408:8656:2e00::/39
  • 2408:8656:3000::/39
  • 2408:8656:3200::/39
  • 2408:8656:3400::/39
  • 2408:8656:3600::/39
  • 2408:8656:3800::/39
  • 2408:8656:3a00::/39
  • 2408:8656:3c00::/39
  • 2408:8459:f500::/40
  • 2408:8459:f700::/40
  • 2408:8459:f900::/40
  • 2408:8459:fa00::/40
  • 2408:8656:3800::/40
  • 2408:8a05:6300::/40
  • 2408:8001:3070::/44
The 25 largest of 459. The API and the database have all of them.

Query AS17623 with the API

The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day. 

curl "https://api.ipapi.is/?q=AS17623&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS17623, with or without a key:

curl "https://api.ipapi.is/?q=27.38.0.1"

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