AS Number
AS7257
AS Name
MARU-NET
Org Name
OTO GK
Country / Region
Japan
Registry

ripe

RegDate

Updated

2026-01-26T15:19:27Z

AS7257 Looking Glass
IPv4Prefixes

2

IPv6Prefixes

1

IPv4 NUMs

512

IPv6 NUMs(/64)

34,359,738,368

CIDR Description IP Num
168.151.54.0/24
OTO GK 256
208.88.66.0/24
IRR InValid
OTO GK 256
CIDR Description IP NUMs(prefix /64)
2a06:40::/29
HAONAN YANG 34359738368
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS9663 MARU-AS-JP - OTO GK, JP Japan 0 0 IPv4 IPv4 IPv6 IPv6

Whois Record

as-block AS7257 - AS7257

as-block
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

aut-num
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
MARU-MNT
created
2026-01-26T15:19:49Z
last-modified
2026-03-03T06:54:52Z
source
RIPE

organisation ORG-MARU1-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
e-mail
abuse-c
MARU3-RIPE
mnt-ref
MARU-MNT
created
2025-11-02T19:42:02Z
last-modified
2026-05-13T05:42:22Z
source
RIPE
mnt-by
MARU-MNT

role MARU

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

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
e-mail:         [email protected]
abuse-c:        MARU3-RIPE
mnt-ref:        MARU-MNT
created:        2025-11-02T19:42:02Z
last-modified:  2026-05-13T05:42:22Z
source:         RIPE
mnt-by:         MARU-MNT

role:           MARU
abuse-mailbox:  [email protected]
address:        JP
e-mail:         [email protected]
nic-hdl:        MARU3-RIPE
created:        2025-11-02T19:37:37Z
last-modified:  2025-12-28T05:10:51Z
source:         RIPE
mnt-by:         MARU-MNT