Kobayashi Family Net LLP
AS63781 is Kobayashi Family Net LLP (kobayashi.gr.jp). It announces 512 IPv4 addresses in 2 prefixes, and 1 IPv6 prefix.
Japan· APNIC· allocated 2014-08-25· Education· kobayashi.gr.jp
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- Japan512 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- KFNET-AS
- name
- Kobayashi Family Net LLP
- country
- JP
- source
- jpnic
- updated
- 2019-12-25
- descr
- Kobayashi Family Net LLP
- admin
- JP00182424
- tech
- JP00182424
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.
- 0.39%
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- SSH IP122.34%
- 0.20%
- 1.17%
- 0.98%
- None here
- 0.20%
Hosted domains
The registered domains IP Hosted Domains lists on the addresses it announces, the most popular first.
- 1speedtest.moe
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 103.143.136.0 | Japan | Valid | 18 | 2026-10-02 |
| 103.143.137.0 | Japan | Valid | 18 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2405:5340:: | Japan | Valid | 19 | 2026-10-02 |
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