Autonomous System

AS17621 China Unicom Shanghai network

ISPActiveChinaAPNIC

AS17621 (CNCGROUP-SH) is an ISP network operated by China Unicom Shanghai network in China, registered with APNIC. It has 265 IPv4 prefixes with 1,188,864 addresses and 423 IPv6 prefixes, which makes it the 392nd largest of 82,558 active autonomous systems by IPv4 space.

IPv4 addresses1,188,864in 265 prefixes
IPv6 prefixes423≈ 2.0 × 10³⁰ addresses
Size rank#392of 82,558 active ASNs
Abuser scoreLow0.22% of its addresses flagged · method

Details

OrganizationChina Unicom Shanghai network
AS nameCNCGROUP-SH
Websitechinaunicom.cn
Country China (CN)
Network typeISP
RegistryAPNIC
Abuse contacthqs-ipabuse@chinaunicom.cn
Registered—
Last updated2023-10-21

IPv4 prefixes

265 prefixes · 1,188,864 addresses
NetworkAddressesFirst – last address
58.246.0.0/1665,53658.246.0.0 – 58.246.255.255
58.247.0.0/1665,53658.247.0.0 – 58.247.255.255
112.64.0.0/1665,536112.64.0.0 – 112.64.255.255
112.65.0.0/1665,536112.65.0.0 – 112.65.255.255
139.226.0.0/1665,536139.226.0.0 – 139.226.255.255
139.227.0.0/1665,536139.227.0.0 – 139.227.255.255
140.206.0.0/1665,536140.206.0.0 – 140.206.255.255
140.207.0.0/1665,536140.207.0.0 – 140.207.255.255
223.166.0.0/1665,536223.166.0.0 – 223.166.255.255
223.167.0.0/1665,536223.167.0.0 – 223.167.255.255
27.115.0.0/1732,76827.115.0.0 – 27.115.127.255
112.64.0.0/1732,768112.64.0.0 – 112.64.127.255
112.64.128.0/1732,768112.64.128.0 – 112.64.255.255
112.65.0.0/1732,768112.65.0.0 – 112.65.127.255
211.95.0.0/1732,768211.95.0.0 – 211.95.127.255
220.196.0.0/1732,768220.196.0.0 – 220.196.127.255
220.196.128.0/1732,768220.196.128.0 – 220.196.255.255
27.115.0.0/1816,38427.115.0.0 – 27.115.63.255
112.65.128.0/1816,384112.65.128.0 – 112.65.191.255
116.128.128.0/1816,384116.128.128.0 – 116.128.191.255
210.22.64.0/1816,384210.22.64.0 – 210.22.127.255
210.22.128.0/1816,384210.22.128.0 – 210.22.191.255
220.248.0.0/1816,384220.248.0.0 – 220.248.63.255
220.248.64.0/1816,384220.248.64.0 – 220.248.127.255
139.226.32.0/198,192139.226.32.0 – 139.226.63.255
The 25 largest of 265. The API and the database have all of them.

IPv6 prefixes

423 prefixes
  • 2408:8025::/32
  • 2408:8026::/32
  • 2408:820c::/32
  • 2408:820d::/32
  • 2408:820e::/32
  • 2408:820f::/32
  • 2408:84e2::/32
  • 2408:860c::/32
  • 2408:860d::/32
  • 2408:860e::/32
  • 2408:860f::/32
  • 2408:870c::/32
  • 2408:870d::/32
  • 2408:870e::/32
  • 2408:870f::/32
  • 2408:880c::/32
  • 2408:880d::/32
  • 2408:880e::/32
  • 2408:880f::/32
  • 2408:8810::/32
  • 2408:8811::/32
  • 2408:890c::/32
  • 2408:890d::/32
  • 2408:8024:8000::/33
  • 2408:880c::/33
The 25 largest of 423. The API and the database have all of them.

Query AS17621 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=AS17621&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS17621, with or without a key:

curl "https://api.ipapi.is/?q=58.246.0.1"

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