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 328 IPv4 prefixes with 1,270,528 addresses and 421 IPv6 prefixes, which makes it the 373rd largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses1,270,528in 328 prefixes
IPv6 prefixes421≈ 2.0 × 10³⁰ addresses
Size rank#373of 82,200 active ASNs
Abuser scoreLow0.28% of its addresses flagged · method

Details

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

IPv4 prefixes

328 prefixes · 1,270,528 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 328. The API and the database have all of them.

IPv6 prefixes

421 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 421. 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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