AS Number
AS7257
AS Name
JP-MARU-20250124
Org Name
OTO GK
Country
Japan
Registry

ripe

RegDate

Updated

2026-01-26T15:19:27Z

AS7257 Looking Glass
IPv4Prefixes

0

IPv6Prefixes

2

IPv4 NUMs

0

IPv6 NUMs(/64)

34,376,515,584

0 IPv4 Addresses
CIDR Description IP NUMs(prefix /64)
2606:b0c0::/40
IRR InValid
August Internet 16777216
2a06:40::/29
HAONAN YANG 34359738368
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS9663 MARU-AS-JP - OTO GK, JP Japan 256 65,536 IPv6 IPv6
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:        JP-MARU-20250124
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:  2026-01-27T19:45:50Z
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
e-mail:         otoiawase@k.maru.co.jp
abuse-c:        MARU3-RIPE
mnt-ref:        MARU-MNT
created:        2025-11-02T19:42:02Z
last-modified:  2026-01-23T02:48:55Z
source:         RIPE
mnt-by:         MARU-MNT

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