Autonomous system
AS17621: China Unicom Shanghai network
China · consumer ISP
Estimated users is a published estimate of how many people use this network, extrapolated from 776,306 observations over a 60 day window. Large operators often run several networks, so a low figure can mean their customers reach the internet through a sibling network.
What this tells you
- An estimated 6,557,613 people use this network, from 776,306 observations over a 60 day window, which puts it among the larger access networks in China.
- Of those, 6,557,613 are in China, 0.8% of everyone online there.
- The same operator runs 1 other network, listed below.
Countries in this space
Space we can place in a country covers 100% of this network's IPv4 space and 100% of its IPv6 space. The table below divides that space.
| Country | IPv4 share | IPv6 share | |
|---|---|---|---|
| China | 100% | 100% | |
| Everything else (1 more) | <0.1% | - |
Organisations holding assignments here
Registered organisations account for <0.1% of this network's IPv4 space. The table below divides that space. Registered holders come from the bulk whois that RIPE, APNIC and AFRINIC publish. ARIN and LACNIC do not publish theirs, so space held in North and South America is largely unattributed here.
| Organisation | IPv4 share | |
|---|---|---|
| Siemens AG | 100% |
Anonymizer signals
Flagged space covers <0.1% of this network's IPv4 space. The table below divides that space.
| Category | IPv4 share | |
|---|---|---|
| Open proxy | 100% |
Other networks from this operator
| ASN | Name | Estimated users |
|---|---|---|
| AS63837 | China Unicom Shanghai network | - |
See the combined view for China Unicom Shanghai network, where all 2 of their networks are totalled together.
Every figure on this page is also JSON: /api/v2/directory/asn/17621. Breakdowns paginate from there, so a table showing the largest rows here returns all of them. Read the API.