Registered organisation
AT&T Japan K.K.
Address space registered to AT&T Japan K.K., 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 ARIN and LACNIC do not publish theirs, so space held in North and South America is largely unattributed here.
What this tells you
- Holds 328,960 IPv4 addresses and 8,590,983,168 IPv6 /64 networks across 32 registered blocks.
- Announced by 7 networks, the largest being AS2687 AT&T Enterprises, LLC at 92% of the IPv4 space.
- Its space resolves to 4 countries, mostly Japan (97% of the IPv4 space).
Networks announcing this space
Space announced by a network covers 100% of this holder's IPv4 space and 100% of its IPv6 space. The table below divides that space.
| Network | IPv4 share | IPv6 share | |
|---|---|---|---|
| AS2687 AT&T Enterprises, LLC | 92% | 50% | |
| AS9935 AGNS Customer AS | 7% | 50% | |
| AS18289 AT&T TAO Cloud Access Node | 0.3% | - | |
| AS134534 ATT NBE Equinix Singapore | 0.2% | - | |
| AS32787 Akamai (Prolexic) | 0.2% | - | |
| AS58414 Computershare Technology Services | 0.2% | - | |
| Everything else (1 more) | <0.1% | - |
Countries this space resolves to
Space we can place in a country covers 100% of this holder's IPv4 space and 100% of its IPv6 space. The table below divides that space.
| Country | IPv4 share | IPv6 share | |
|---|---|---|---|
| Japan | 97% | 100% | |
| Hong Kong | 2% | - | |
| Singapore | 0.2% | - | |
| Everything else (1 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.
Every figure on this page is also JSON: /api/v2/directory/org/at-t-japan-k-k. Breakdowns paginate from there, so a table showing the largest rows here returns all of them. Read the API.