Registered organisation
NTT Ltd Japan Corporation
Address space registered to NTT Ltd Japan Corporation, 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 ARIN and LACNIC do not publish theirs, so space held in North and South America is largely unattributed here.
IPv4 addresses
10,240
IPv6 /64s
4,294,967,297
Registered blocks
4
Countries
7
What this tells you
- Holds 10,240 IPv4 addresses and 4,294,967,297 IPv6 /64 networks across 4 registered blocks.
- Announced by 4 networks, the largest being AS2914 NTT America, Inc. at 80% of the IPv4 space.
- Its space resolves to 7 countries, mostly Japan (80% of the IPv4 space).
Networks announcing this space
| Network | IPv4 share | IPv6 share | |
|---|---|---|---|
| AS2914 NTT America, Inc. | 80% | 99% | |
| AS10204 Arcnet NTT MSC ISP | 10% | - | |
| AS38566 NTTCTNET | 10% | - | |
| AS18259 NTT DOCOMO BUSINESS, Inc | - | 0.4% |
Countries this space resolves to
| Country | IPv4 share | IPv6 share | |
|---|---|---|---|
| Japan | 80% | 100% | |
| Hong Kong | 20% | <0.1% | |
| Everything else (5 more) | - | - |
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.