Network operator
MAINFRAME & CYBERNETIC SYSTEMS LIMITED
2 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 United Kingdom (99% of the IPv4 space), across 2 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 | |
|---|---|---|---|
| United Kingdom | 99% | 100% | |
| Türkiye | 0.5% | - |
Organisations holding assignments here
Registered organisations account for 100% 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 ARIN and LACNIC do not publish theirs, so space held in North and South America is largely unattributed here.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 | |
|---|---|---|---|
| MAINFRAME & CYBERNETIC SYSTEMS LIMITED | 94% | 100% | |
| Secure Email Hosting Limited | 2% | <0.1% | |
| Emailcenter UK Limited | 2% | - | |
| Konnex Networks Ltd | 0.6% | - | |
| Rethem Hosting LLC | 0.5% | - | |
| CERKEZKOY ORGANIZE SANAYI BOLGESI | 0.5% | - | |
| Sedcom Networks | 0.5% | - | |
| Force 10 Hosting | 0.3% | - | |
| Everything else (5 more) | 0.3% | - |
Anonymizer signals
None of this space carries an anonymiser or hosting flag.
All 2 networks run by this operator
| ASN | Name | Estimated users |
|---|---|---|
| AS25577 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | 299 |
| AS49503 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | - |
Every figure on this page is also JSON: /api/v2/directory/isp/mainframe-cybernetic-systems-limited. Breakdowns paginate from there, so a table showing the largest rows here returns all of them. Read the API.