Autonomous system
AS4538: China Education and Research Network Center
China · hosting / infrastructure
Estimated users is a published estimate of how many people use this network, extrapolated from 171,991 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 1,514,618 people use this network, from 171,991 observations over a 60 day window, which is a large figure for any network in China.
- Of those, 1,514,618 are in China, 0.2% of everyone online there.
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% |
Organisations holding assignments here
Registered organisations account for 2% of this network's IPv4 space and 99% of its IPv6 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 ARIN and LACNIC do not publish theirs, so space held in North and South America is largely unattributed here.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 | IPv6 share | |
|---|---|---|---|
| China Education and Research Network (CERNET) | 99% | 100% | |
| Duke Kunshan University | 0.4% | - | |
| Everything else (1 more) | - | <0.1% |
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% |
Every figure on this page is also JSON: /api/v2/directory/asn/4538. Breakdowns paginate from there, so a table showing the largest rows here returns all of them. Read the API.