Registered organisation
Nippon Telegraph and Telephone Corporation
Address space registered to Nippon Telegraph and Telephone 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 ARIN and LACNIC do not publish theirs, so holders in North and South America are largely missing here.
IPv4 addresses
136,192
IPv6 /64s
4,295,032,834
Registered blocks
12
Countries
1
What this tells you
- Holds 136,192 IPv4 addresses and 4,295,032,834 IPv6 /64 networks across 12 registered blocks.
- Announced by 4 networks, the largest being AS37918 NTT, Inc. at 51% of the IPv4 space.
- All of the space we can place resolves to Japan.
Networks announcing this space
| Network | IPv4 share | IPv6 share | |
|---|---|---|---|
| AS37918 NTT, Inc. | 51% | <0.1% | |
| AS4697 Nippon Telegraph and Telephone Corporation | 37% | 100% | |
| AS38639 NTT DOCOMO BUSINESS, Inc. | 6% | - | |
| AS59091 Kanagawa Institute of Technology | 6% | - |
Countries this space resolves to
| Country | IPv4 share | IPv6 share | |
|---|---|---|---|
| Japan | 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.