AS133405 - RETNKK-AS-AP - RETN Co., Ltd., JP

Japan
AS Number
AS133405
AS Name
RETNKK-AS-AP
Org Name
RETN Co., Ltd.
Country / Region
Japan
Registry

apnic

RegDate

Updated

2013-09-11T23:52:15Z

AS133405 Looking Glass
IPv4Prefixes

1

IPv6Prefixes

1

IPv4 NUMs

256

IPv6 NUMs(/64)

65,536

CIDR Description IP Num
163.128.219.0/24
RETNKK-JP RETN Co., Ltd. 256
CIDR Description IP NUMs(prefix /64)
2001:df6:edc0::/48
RETNKK-JP RETN Co., Ltd. 65536
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS9002 RETN-AS - RETN Limited, GB United Kingdom 26,624 4,831,838,208 IPv4 IPv4 IPv6 IPv6

Whois Record

as-block AS133120 - AS133631

as-block
descr
APNIC ASN block
remarks
These AS numbers are further assigned by APNIC
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
2013-09-11T23:52:15Z
source
APNIC

role APNIC Hostmaster

role
APNIC Hostmaster
address
PO Box 3646
South Brisbane
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 AS133405

aut-num
as-name
RETNKK-AS-AP
descr
RETN Co., Ltd.
country
JP
org
ORG-RKK1-AP
admin-c
RKKA1-AP
tech-c
RKKA1-AP
mnt-by
APNIC-HM
mnt-irt
IRT-RETNKK-JP
mnt-routes
MAINT-RETNKK-JP
mnt-lower
MAINT-RETNKK-JP
abuse-c
AR1534-AP
last-modified
2026-04-14T09:15:43Z
source
APNIC

irt IRT-RETNKK-JP

irt
IRT-RETNKK-JP
address
6-2-31-1917 Toyosu, Koto-ku, Tokyo, 135-0061, Japan, Tokyo Koto-ku 135-0061
e-mail
peering@retn.net
abuse-mailbox
abuse@retn.net
admin-c
RKKA1-AP
tech-c
RKKA1-AP
auth
# Filtered
remarks
abuse@retn.net was validated on 2026-08-18
mnt-by
MAINT-RETNKK-JP
last-modified
2026-08-18T13:18:38Z
source
APNIC

organisation ORG-RKK1-AP

organisation
ORG-RKK1-AP
org-name
RETN Co., Ltd.
org-type
LIR
country
JP
address
6-2-31-1917 Toyosu
Koto-ku, Tokyo, 135-0061, Japan
phone
+85238454700
e-mail
peering@retn.net
mnt-ref
APNIC-HM
mnt-by
APNIC-HM
last-modified
2026-03-13T13:24:44Z
source
APNIC

role ABUSE RETNKKJP

role
ABUSE RETNKKJP
country
ZZ
address
6-2-31-1917 Toyosu, Koto-ku, Tokyo, 135-0061, Japan, Tokyo Koto-ku 135-0061
phone
+000000000
e-mail
peering@retn.net
admin-c
RKKA1-AP
tech-c
RKKA1-AP
nic-hdl
AR1534-AP
remarks
Generated from irt object IRT-RETNKK-JP
abuse@retn.net was validated on 2026-08-18
abuse-mailbox
abuse@retn.net
mnt-by
APNIC-ABUSE
last-modified
2026-08-18T23:17:32Z
source
APNIC

role RETN K K administrator

role
RETN K K administrator
address
6-2-31-1917 Toyosu, Koto-ku, Tokyo, 135-0061, Japan, Tokyo Koto-ku 135-0061
country
JP
phone
+85238454700
e-mail
peering@retn.net
admin-c
RKKA1-AP
tech-c
RKKA1-AP
nic-hdl
RKKA1-AP
mnt-by
MAINT-RETNKK-JP
last-modified
2026-04-13T01:47:49Z
source
APNIC
 

as-block:       AS133120 - AS133631
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:  2013-09-11T23:52:15Z
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:        AS133405
as-name:        RETNKK-AS-AP
descr:          RETN Co., Ltd.
country:        JP
org:            ORG-RKK1-AP
admin-c:        RKKA1-AP
tech-c:         RKKA1-AP
mnt-by:         APNIC-HM
mnt-irt:        IRT-RETNKK-JP
mnt-routes:     MAINT-RETNKK-JP
mnt-lower:      MAINT-RETNKK-JP
abuse-c:        AR1534-AP
last-modified:  2026-04-14T09:15:43Z
source:         APNIC

irt:            IRT-RETNKK-JP
address:        6-2-31-1917 Toyosu, Koto-ku, Tokyo, 135-0061, Japan, Tokyo Koto-ku 135-0061
e-mail:         peering@retn.net
abuse-mailbox:  abuse@retn.net
admin-c:        RKKA1-AP
tech-c:         RKKA1-AP
auth:           # Filtered
remarks:        abuse@retn.net was validated on 2026-08-18
mnt-by:         MAINT-RETNKK-JP
last-modified:  2026-08-18T13:18:38Z
source:         APNIC

organisation:   ORG-RKK1-AP
org-name:       RETN Co., Ltd.
org-type:       LIR
country:        JP
address:        6-2-31-1917 Toyosu
address:        Koto-ku, Tokyo, 135-0061, Japan
phone:          +85238454700
e-mail:         peering@retn.net
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2026-03-13T13:24:44Z
source:         APNIC

role:           ABUSE RETNKKJP
country:        ZZ
address:        6-2-31-1917 Toyosu, Koto-ku, Tokyo, 135-0061, Japan, Tokyo Koto-ku 135-0061
phone:          +000000000
e-mail:         peering@retn.net
admin-c:        RKKA1-AP
tech-c:         RKKA1-AP
nic-hdl:        AR1534-AP
remarks:        Generated from irt object IRT-RETNKK-JP
remarks:        abuse@retn.net was validated on 2026-08-18
abuse-mailbox:  abuse@retn.net
mnt-by:         APNIC-ABUSE
last-modified:  2026-08-18T23:17:32Z
source:         APNIC

role:           RETN K K administrator
address:        6-2-31-1917 Toyosu, Koto-ku, Tokyo, 135-0061, Japan, Tokyo Koto-ku 135-0061
country:        JP
phone:          +85238454700
e-mail:         peering@retn.net
admin-c:        RKKA1-AP
tech-c:         RKKA1-AP
nic-hdl:        RKKA1-AP
mnt-by:         MAINT-RETNKK-JP
last-modified:  2026-04-13T01:47:49Z
source:         APNIC