AT TOKYO Corporation
AS9999 is AT TOKYO Corporation (attokyo.co.jp). It announces 20,224 IPv4 addresses in 10 prefixes, and 1 IPv6 prefixes.
Japan· APNIC· allocated 2000-04-27· isp
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- Japan20,224 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- ATTOKYO
- name
- AT TOKYO Corporation
- country
- JP
- source
- jpnic
- updated
- 2014-06-18
- descr
- AT TOKYO Corporation
- admin
- JP00010132
- tech
- JP00010132
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- VPN IP400.20%
- None here
- None here
- None here
- None here
- None here
- Hosting IP5122.53%
- None here
- None here
- None here
- SSH IP280.14%
- None here
- 0.11%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 110.44.20.0/22 | Japan | valid | 17 | 2026-10-02 |
| 119.59.64.0/21 | Japan | valid | 17 | 2026-10-02 |
| 165.100.192.0/20 | Japan | valid | 17 | 2026-10-02 |
| 202.13.124.0/22 | Japan | valid | 17 | 2026-10-02 |
| 202.243.223.0/24 | Japan | not found | 17 | 2026-10-02 |
| 203.80.6.0/23 | Japan | not found | 17 | 2026-10-02 |
| 203.89.128.0/22 | Japan | valid | 17 | 2026-10-02 |
| 203.223.24.0/21 | Japan | valid | 17 | 2026-10-02 |
| 211.132.0.0/20 | Japan | valid | 17 | 2026-10-02 |
| 219.99.128.0/20 | Japan | valid | 17 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2405:1800::/32 | Japan | not found | 20 | 2026-10-02 |
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