AS51044
Kazuki Yamaguchi
AS51044 is Kazuki Yamaguchi (rhe.jp). It announces 1,024 IPv4 addresses in 3 prefixes, and 18 IPv6 prefixes.
Japan· RIPE· allocated 2019-09-03· business
1,024
IPv4 addresses announced
3
IPv4 prefixes
18
IPv6 prefixes
100.00%
of its routes RPKI-valid
1,024
of its IPv4 geolocated
1
country
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- Japan1,024 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- RHE
- name
- Kazuki Yamaguchi
- org
- ORG-KY31-RIPE
- org name
- Kazuki Yamaguchi
- org address
- Kodaira-shi Jousuiminami-cho 2-17-20, 187-0021, Tokyo, JAPAN
- org country
- JP
- country
- JP
- source
- ripe
- status
- ASSIGNED
- created
- 2019-09-03
- updated
- 2023-12-29
- descr
- RHE-NET
- remarks
- PeeringDB: https://www.peeringdb.com/asn/51044 / Looking Glass: https://as51044.net/tools/ / -- The Constant Company, LLC (Vultr) / -- Misaka Network, Inc. / -- meerfarbig GmbH & Co. KG / -- Hurricane Electric LLC
- maintainer
- RIPE-NCC-END-MNT|mnt-jp-rhe-1
- abuse name
- Abuse-C Role
- abuse email
- abuse@rhe.jp
- abuse kind
- role
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.
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- Anycast IP1,536150.00%
- 0.49%
- None here
- 0.59%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 45.148.172.0/22 | Japan | valid | 16 | 2026-10-02 |
| 45.148.172.0/24 | Japan | valid | 16 | 2026-10-02 |
| 45.148.173.0/24 | Japan | valid | 16 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2a0f:600::/48 | Japan | valid | 18 | 2026-10-02 |
| 2a0f:600:604::/46 | Japan | valid | 19 | 2026-10-02 |
| 2a0f:600:604::/47 | Japan | valid | 10 | 2026-10-02 |
| 2a0f:600:604::/48 | Japan | valid | 1 | 2026-10-02 |
| 2a0f:600:605::/48 | Japan | valid | 12 | 2026-10-02 |
| 2a0f:600:606::/48 | Japan | valid | 9 | 2026-10-02 |
| 2a0f:600:607::/48 | Japan | valid | 14 | 2026-10-02 |
| 2a0f:600:608::/47 | Japan | valid | 19 | 2026-10-02 |
| 2a0f:600:608::/48 | Japan | valid | 1 | 2026-10-02 |
| 2a0f:600:609::/48 | Japan | valid | 3 | 2026-10-02 |
| 2a0f:600:60a::/47 | Japan | valid | 19 | 2026-10-02 |
| 2a0f:600:60a::/48 | Japan | valid | 1 | 2026-10-02 |
| 2a0f:600:60b::/48 | Japan | valid | 3 | 2026-10-02 |
| 2a0f:600:60c::/47 | Japan | valid | 19 | 2026-10-02 |
| 2a0f:600:60c::/48 | Japan | valid | 19 | 2026-10-02 |
| 2a0f:600:60d::/48 | Japan | valid | 19 | 2026-10-02 |
| 2a0f:601::/32 | Japan | valid | 18 | 2026-10-02 |
| 2a0f:602::/32 | Japan | valid | 18 | 2026-10-02 |
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