AS7257 OTO GK 🇯🇵 JP

Announcing 3 prefixes, seen at the RIS collectors.

IPv4 prefixes
2
512 (2 × /24)
IPv6 prefixes
1
8 × /32
Upstreams
1
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it

Registry and operator data

AS number
AS7257
Name
OTO GK
Organisation
MARU AS7257
Country
🇯🇵 JP
RIR
RIPENCC
Allocated
2025-01-24
Network type
NSP
Scope
Asia Pacific
Peering policy
Open
IRR as-set
JPIRR::AS-MARU
PeeringDB
net/41427

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

0 valid (0.0%) 0 invalid (0.0%) 3 no ROA (100.0%)

Whois

Fetched from whois.ripe.net

as-block:       AS7257 - AS7257
descr:          RIPE NCC ASN block
remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by:         RIPE-NCC-HM-MNT
created:        2026-01-26T15:19:27Z
last-modified:  2026-01-26T15:19:27Z
source:         RIPE

aut-num:        AS7257
as-name:        MARU-NET
descr:          MARU
org:            ORG-MARU1-RIPE
sponsoring-org: ORG-MBC3-RIPE
admin-c:        MARU3-RIPE
tech-c:         MARU3-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MARU-MNT
created:        2026-01-26T15:19:49Z
last-modified:  2026-03-03T06:54:52Z
source:         RIPE

organisation:   ORG-MARU1-RIPE
org-name:       OTO GK
org-type:       OTHER
address:        3-39-12 Hatagaya, Shibuya-ku, Tokyo 151-0072
country:        JP
reg-nr:         8011003022790
abuse-c:        MARU3-RIPE
mnt-ref:        MARU-MNT
created:        2025-11-02T19:42:02Z
last-modified:  2026-05-13T05:42:22Z
source:         RIPE # Filtered
mnt-by:         MARU-MNT

role:           MARU
abuse-mailbox:  otoiawase@k.maru.co.jp
address:        JP
nic-hdl:        MARU3-RIPE
created:        2025-11-02T19:37:37Z
last-modified:  2025-12-28T05:10:51Z
source:         RIPE # Filtered
mnt-by:         MARU-MNT