Registered organisation
Duocast B.V.
Address space registered to Duocast 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 ARIN and LACNIC do not publish theirs, so holders in North and South America are largely missing here.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
22,528
IPv6 /64s
34,359,803,906
Registered blocks
14
Countries
1
What this tells you
- Holds 22,528 IPv4 addresses and 34,359,803,906 IPv6 /64 networks across 14 registered blocks.
- Announced by 2 networks, the largest being AS31477 Duocast B.V. at 95% of the IPv4 space.
- All of the space we can place resolves to Netherlands.
Networks announcing this space
| Network | IPv4 share | IPv6 share | |
|---|---|---|---|
| AS31477 Duocast B.V. | 95% | 37% | |
| Everything else, including space not announced (1 more) | 5% | 63% |
Countries this space resolves to
| Country | IPv4 share | IPv6 share | |
|---|---|---|---|
| Netherlands | 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.