Network operator
CTCSCI TECH LIMITED
4 networks combined into one view.
Operators are grouped by registered network name. Each figure below is the total across every network on this page, which is what a single network page cannot show.
What this tells you
- Address space is concentrated in Hong Kong (70% of the IPv4 space), across 249 countries in total.
Countries in this space
Space we can place in a country covers 100% of these networks' IPv4 space and 100% of their IPv6 space. The table below divides that space.
| Country | IPv4 share | IPv6 share | |
|---|---|---|---|
| Hong Kong | 70% | 100% | |
| United States | 29% | <0.1% | |
| Taiwan | 0.9% | <0.1% | |
| Singapore | 0.4% | <0.1% | |
| Everything else (245 more) | - | <0.1% |
Organisations holding assignments here
Registered organisations account for 99% of these networks' IPv4 space and 100% of their 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 ARIN and LACNIC do not publish theirs, so space held in North and South America is largely unattributed here.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 | |
|---|---|---|---|
| CTCSCI TECH LIMITED | 100% | 100% |
Anonymizer signals
Flagged space covers 0.4% of these networks' IPv4 space. The table below divides that space.
| Category | IPv4 share | |
|---|---|---|
| Open proxy | 100% |
All 4 networks run by this operator
| ASN | Name | Estimated users |
|---|---|---|
| AS151797 | CTCSCI TECH LIMITED | 309 |
| AS152111 | CTCSCI TECH LIMITED | 107 |
| AS9886 | CTCSCI TECH LIMITED | - |
| AS152112 | CTCSCI TECH LIMITED | - |
Every figure on this page is also JSON: /api/v2/directory/isp/ctcsci-tech-limited. Breakdowns paginate from there, so a table showing the largest rows here returns all of them. Read the API.