AS139358 Kansuiun Co., Ltd 🇯🇵 JP

Announcing 9 prefixes, seen at the RIS collectors.

IPv4 prefixes

1,536 (6 × /24)

IPv6 prefixes

273 × /48

Upstreams

transit providers observed

Peers

settlement-free adjacencies

Downstreams

transit customers observed

Customer cone

ASes reachable through it

Registry and operator data

AS number: AS139358
Name: Kansuiun Co., Ltd
Organisation: Kansuiun Co., Ltd
Country: 🇯🇵 JP
RIR: APNIC
Allocated: 2019-07-30
Network type: Cable/DSL/ISP
Traffic levels: 100-200Gbps
Scope: Asia Pacific
Peering policy: Open
IRR as-set: APNIC::AS-KANSUIUN
Website: https://kansuiun.com
PeeringDB: net/20506
Facilities: 3

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

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

Whois

Fetched from whois.apnic.net

as-block:       AS138554 - AS139577
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      APNIC-HM
last-modified:  2017-12-08T06:45:58Z
source:         APNIC

role:           APNIC Hostmaster
address:        PO Box 3646
address:        South Brisbane
address:        QLD 4101
country:        AU
phone:          +61 7 3858 3100
fax-no:         +61 7 3858 3199
e-mail:         helpdesk@apnic.net
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
notify:         hostmaster@apnic.net
mnt-by:         MAINT-APNIC-AP
last-modified:  2026-08-26T00:40:00Z
source:         APNIC

aut-num:        AS139358
as-name:        KANSUIUN-AS-AP
descr:          Kansuiun Co., Ltd
country:        JP
org:            ORG-KCL6-AP
admin-c:        KCLA6-AP
tech-c:         KCLA6-AP
abuse-c:        AK1217-AP
mnt-lower:      MAINT-KANSUIUN-JP
mnt-lower:      MAINT-STITCL-CN
mnt-routes:     MAINT-KANSUIUN-JP
mnt-routes:     MAINT-STITCL-CN
mnt-by:         APNIC-HM
mnt-irt:        IRT-KANSUIUN-JP
last-modified:  2021-08-07T18:38:47Z
source:         APNIC

irt:            IRT-KANSUIUN-JP
address:        2-27-3 Taito-ku, Tokyo
e-mail:         abuse-report@kosscloud.com
abuse-mailbox:  abuse-report@kosscloud.com
admin-c:        KCLA6-AP
tech-c:         KCLA6-AP
auth:           # Filtered
remarks:        abuse-report@kosscloud.com was validated on 2026-08-18
mnt-by:         MAINT-KANSUIUN-JP
last-modified:  2026-08-18T04:55:31Z
source:         APNIC

organisation:   ORG-KCL6-AP
org-name:       Kansuiun Co., Ltd
org-type:       LIR
country:        JP
address:        2-27-3 Taito-ku, Tokyo
phone:          +1-3605400342
e-mail:         noc@kosscloud.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:17:54Z
source:         APNIC

role:           ABUSE KANSUIUNJP
country:        ZZ
address:        2-27-3 Taito-ku, Tokyo
phone:          +000000000
e-mail:         abuse-report@kosscloud.com
admin-c:        KCLA6-AP
tech-c:         KCLA6-AP
nic-hdl:        AK1217-AP
remarks:        Generated from irt object IRT-KANSUIUN-JP
remarks:        abuse-report@kosscloud.com was validated on 2026-08-18
abuse-mailbox:  abuse-report@kosscloud.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-08-18T04:56:01Z
source:         APNIC

role:           Kansuiun Co Ltd Administrator
address:        2-27-3 Taito-ku, Tokyo
country:        JP
phone:          +1-3605400342
e-mail:         noc@kosscloud.com
admin-c:        KCLA6-AP
tech-c:         KCLA6-AP
nic-hdl:        KCLA6-AP
mnt-by:         MAINT-KANSUIUN-JP
abuse-mailbox:  abuse@kosscloud.com
last-modified:  2019-08-03T13:10:31Z
source:         APNIC