Registered organisation
CERNER CORPORATION PTY LIMITED
Address space registered to CERNER CORPORATION PTY 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 ARIN and LACNIC do not publish theirs, so holders in North and South America are largely missing here.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
20,736
IPv6 /64s
4,294,967,297
Registered blocks
15
Countries
2
What this tells you
- Holds 20,736 IPv4 addresses and 4,294,967,297 IPv6 /64 networks across 15 registered blocks.
- Almost none of this space is announced to the internet: 1% of its IPv4 space appears in the routing table. Space can be held for decades without being used, and a legacy allocation this size is usually one of those.
- One network announces this space, AS42382 CERNER CORPORATION PTY LIMITED, covering 1% of the IPv4 space.
- Its space resolves to 2 countries, mostly Australia (99% of the IPv4 space).
Networks announcing this space
| Network | IPv4 share | |
|---|---|---|
| AS42382 CERNER CORPORATION PTY LIMITED | 1% | |
| Not announced to the internet | 99% |
Countries this space resolves to
| Country | IPv4 share | IPv6 share | |
|---|---|---|---|
| Australia | 99% | 100% | |
| India | 0.2% | - |
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.