AS7257
OTO GK
AS7257 is OTO GK (maru.co.jp). It announces 512 IPv4 addresses in 2 prefixes, and 1 IPv6 prefixes.
Japan· RIPE· allocated 2025-01-24· isp
512
IPv4 addresses announced
2
IPv4 prefixes
1
IPv6 prefixes
0.00%
of its routes RPKI-valid
512
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.
- Japan512 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- MARU-NET
- name
- OTO GK
- org
- ORG-MARU1-RIPE
- org name
- OTO GK
- org address
- 3-39-12 Hatagaya, Shibuya-ku, Tokyo 151-0072
- org country
- JP
- country
- JP
- source
- ripe
- status
- ASSIGNED
- created
- 2026-01-26
- updated
- 2026-03-03
- descr
- MARU
- maintainer
- RIPE-NCC-END-MNT|MARU-MNT
- abuse name
- MARU
- abuse email
- otoiawase@k.maru.co.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
- None here
- 0.78%
- 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 |
|---|---|---|---|---|
| 168.151.54.0/24 | Japan | not found | 17 | 2026-10-02 |
| 208.88.66.0/24 | Japan | not found | 17 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2a06:40::/29 | Japan | not found | 20 | 2026-10-02 |
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01 · License
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