AS17621 is an AS number assigned to China Unicom Shanghai network. Country or region: China.

OrganizationChina Unicom Shanghai network
Registered nameCNCGROUP-SH
CountryChina (CN)
IPv4 addresses884,992
IPv4 ranges336
IPv6 ranges227

AS numbers: China

IPv4 address ranges (largest 20)

Range (CIDR)AddressesCheck
139.226.0.0/16 65,536 Check if your IP is in this range
58.246.0.0/17 32,768 Check if your IP is in this range
139.227.0.0/17 32,768 Check if your IP is in this range
140.206.0.0/17 32,768 Check if your IP is in this range
27.115.0.0/18 16,384 Check if your IP is in this range
58.247.0.0/18 16,384 Check if your IP is in this range
58.247.128.0/18 16,384 Check if your IP is in this range
120.92.128.0/18 16,384 Check if your IP is in this range
139.227.128.0/18 16,384 Check if your IP is in this range
220.248.64.0/18 16,384 Check if your IP is in this range
223.166.0.0/18 16,384 Check if your IP is in this range
223.167.0.0/18 16,384 Check if your IP is in this range
27.115.96.0/19 8,192 Check if your IP is in this range
58.246.128.0/19 8,192 Check if your IP is in this range
58.246.224.0/19 8,192 Check if your IP is in this range
58.247.64.0/19 8,192 Check if your IP is in this range
106.75.224.0/19 8,192 Check if your IP is in this range
110.43.128.0/19 8,192 Check if your IP is in this range
112.64.0.0/19 8,192 Check if your IP is in this range
112.64.160.0/19 8,192 Check if your IP is in this range

AS numbers of a similar size

About the data

Compiled by this site from publicly available internet registry assignment information and IP address range data. The data date is the build date of the data when the content of this page last changed. Adjacent ranges are merged and expressed as CIDR blocks, so they may differ from the routes actually announced.

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