APNIC - Query the APNIC Whois Database

To assist you with debugging problems, this whois query was received from IP Address
[216.73.216.111]

% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html
% Information related to '163.128.219.0 - 163.128.219.255'
% Abuse contact for '163.128.219.0 - 163.128.219.255' is 'abuse@retn.net'
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:         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 2026-02-17
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:         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 2026-02-17
abuse-mailbox:  abuse@retn.net
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:         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
% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU4)
  • Bold: Object type.
  • Underlined: Primary key(s).
  • Hyperlinks: Searchable Attributes.
5 records found for '163.128.219.0'
Search for  
IP address lookups Miscellaneous queries
-l

1st level less specific

-i

Inverse attributes

-L

All less specific

-T

Object types

-m

1st level more specific

-M

All more specific

Query hints

  • Include "AS" in front of an AS number.
    Example: AS4808

  • Include "-t" (template only) or "-v" (template and description) in front of an object name to view the template
    Example: -t inetnum

-x

Exact match only

-d

Associated reverse domain

For more information see: