Registered organisation
MAINFRAME & CYBERNETIC SYSTEMS LIMITED
Address space registered to MAINFRAME & CYBERNETIC SYSTEMS LIMITED, and where it is announced from.
Registered holders come from the bulk whois that RIPE, APNIC and AFRINIC publish. ARIN and LACNIC do not publish theirs, so holders in North and South America are largely missing here.
IPv4 addresses
49,152
IPv6 /64s
34,359,738,369
Registered blocks
37
Countries
1
What this tells you
- Holds 49,152 IPv4 addresses and 34,359,738,369 IPv6 /64 networks across 37 registered blocks.
- Announced by 7 networks, the largest being AS25577 MAINFRAME & CYBERNETIC SYSTEMS LIMITED at 95% of the IPv4 space.
- All of the space we can place resolves to United Kingdom.
Networks announcing this space
| Network | IPv4 share | IPv6 share | |
|---|---|---|---|
| AS25577 MAINFRAME & CYBERNETIC SYSTEMS LIMITED | 95% | 13% | |
| AS206483 Red Matter Limited | 1% | - | |
| AS40513 Edge Technology Group, LLC | 0.5% | - | |
| AS207784 HybrIT Services Ltd | 0.5% | - | |
| AS12703 Pulsant (Scotland) Ltd | 0.5% | - | |
| AS1299 Arelion (fka. Telia Carrier) | 0.5% | - | |
| AS200468 ALVAREZ & MARSAL DISPUTES AND INVESTIGATIONS LLP | 0.5% | - | |
| Not announced to the internet | 2% | 87% |
Countries this space resolves to
| Country | IPv4 share | IPv6 share | |
|---|---|---|---|
| United Kingdom | 100% | 100% |
Holding a block is a registry fact, not a physical one. The organisation named here is who the block is assigned to, which is often a customer of the network operator announcing it.