Registered organisation
The Mastermind Holding B.V.
Address space registered to The Mastermind Holding B.V., 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 ARIN and LACNIC do not publish theirs, so holders in North and South America are largely missing here.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
3,328
IPv6 /64s
163,208,822,792
Registered blocks
20
Countries
15
What this tells you
- Holds 3,328 IPv4 addresses and 163,208,822,792 IPv6 /64 networks across 20 registered blocks.
- Announced by 37 networks, the largest being AS44103 The Mastermind Holding B.V. at 38% of the IPv4 space.
- Its space resolves to 15 countries, mostly Netherlands (46% of the IPv4 space).
Networks announcing this space
| Network | IPv4 share | IPv6 share | |
|---|---|---|---|
| AS44103 The Mastermind Holding B.V. | 38% | 45% | |
| AS211041 Connectra B.V. | 15% | <0.1% | |
| AS16276 OVH SAS | 15% | - | |
| AS49981 WorldStream B.V. | 8% | <0.1% | |
| AS214036 Ultahost, Inc. | 8% | - | |
| AS214639 TAKEHOST OU | 8% | - | |
| AS62904 Eonix Corporation | 8% | - | |
| AS200461 Ian David Klemm | - | 3% | |
| AS60557 Krik van der Vinne trading as Alpine North | - | 3% | |
| AS211344 RTM Networks B.V. | - | 3% | |
| Everything else, including space not announced (27 more) | - | 47% |
Countries this space resolves to
| Country | IPv4 share | IPv6 share | |
|---|---|---|---|
| Netherlands | 46% | 95% | |
| Germany | 31% | 3% | |
| France | 8% | <0.1% | |
| United States | 8% | <0.1% | |
| Singapore | 8% | <0.1% | |
| Spain | 0.5% | - | |
| United Kingdom | - | 3% | |
| Everything else, including space we cannot place (8 more) | - | <0.1% |
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.