Japan Weather Association
AS17944 is Japan Weather Association. It announces 65,792 IPv4 addresses in 5 prefixes, and 1 IPv6 prefixes.
Japan· APNIC· allocated 2001-09-21· business
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- Japan65,792 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- JWA
- name
- Japan Weather Association
- country
- JP
- source
- jpnic
- updated
- 2019-02-14
- descr
- Japan Weather Association
- admin
- JP00165291
- tech
- JP00165291|SS299JP|YO36935JP
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 IP100.02%
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- 0.00%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 133.105.0.0/16 | Japan | not found | 19 | 2026-10-02 |
| 133.105.0.0/17 | Japan | not found | 19 | 2026-10-02 |
| 133.105.128.0/17 | Japan | not found | 19 | 2026-10-02 |
| 133.105.160.0/23 | Japan | not found | 17 | 2026-10-02 |
| 192.51.39.0/24 | Japan | not found | 19 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2001:df0:2ca::/48 | Japan | not found | 20 | 2026-10-02 |
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