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Summary
| Country |
 Japan
|
| Domain | retn.net |
| Size | 256 |
| Registry | APNIC |
| Network Name | RETNKK-JP |
Whois
inetnum: 163.128.219.0 - 163.128.219.255
netname: RETNKK-JP
descr: RETN Co., Ltd.
country: JP
org: ORG-RKK1-AP
admin-c: RKKA1-AP
tech-c: RKKA1-AP
abuse-c: AR1534-AP
status: ALLOCATED PORTABLE
remarks: --------------------------------------------------------
remarks: To report network abuse, please contact mnt-irt
remarks: For troubleshooting, please contact tech-c and admin-c
remarks: Report invalid contact via www.apnic.net/invalidcontact
remarks: --------------------------------------------------------
mnt-by: APNIC-HM
mnt-lower: MAINT-RETNKK-JP
mnt-routes: MAINT-RETNKK-JP
mnt-irt: IRT-RETNKK-JP
last-modified: 2026-04-14T09:36:36Z
geofeed: https://retn.net/geofeed/geofeed_v4.csv
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: [email protected]
abuse-mailbox: [email protected]
admin-c: RKKA1-AP
tech-c: RKKA1-AP
auth: # Filtered
remarks: [email protected] was validated on 2026-02-17
mnt-by: MAINT-RETNKK-JP
last-modified: 2026-04-14T09:31:23Z
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: [email protected]
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: [email protected]
admin-c: RKKA1-AP
tech-c: RKKA1-AP
nic-hdl: AR1534-AP
remarks: Generated from irt object IRT-RETNKK-JP
remarks: [email protected] was validated on 2026-02-17
abuse-mailbox: [email protected]
mnt-by: APNIC-ABUSE
last-modified: 2026-04-14T01:45:16Z
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: [email protected]
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
route: 163.128.219.0/24
origin: AS133405
descr: RETN Co., Ltd.
mnt-by: MAINT-RETNKK-JP
last-modified: 2026-04-14T13:39:34Z
source: APNICCIDR IP address subranges within 163.128.219.0/24 subnet
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