% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to '203.173.78.0 - 203.173.78.255'
% Abuse contact for '203.173.78.0 - 203.173.78.255' is 'leonkoh@singtel.com'
inetnum: 203.173.78.0 - 203.173.78.255
netname: SINGTEL-JP
descr: Singapore Telecom Japan Co., Ltd.
descr: TIS Tokyo No3 Center Bldg., 3F,
descr: 2-7-13, Shiohama, Koto-ku, Tokyo 135-0043, Japan
country: JP
admin-c: YI2-AP
tech-c: KELL1-AP
abuse-c: AS2806-AP
status: ASSIGNED NON-PORTABLE
mnt-by: MAINT-JP-STJP
mnt-irt: IRT-SINGTEL-JP
last-modified: 2023-05-09T06:05:21Z
source: APNIC
irt: IRT-SINGTEL-JP
address: NF Park Bldg.3F, 9-15, Futaba 2-Chome
address: Shinagawa-ku, Tokyo 142-0043, Japan
e-mail: leonkoh@singtel.com
abuse-mailbox: leonkoh@singtel.com
admin-c: MA87-AP
admin-c: KELL1-AP
admin-c: TYM27-AP
tech-c: KELL1-AP
tech-c: TYM27-AP
auth: # Filtered
remarks: leonkoh@singtel.com was validated on 2026-04-09
mnt-by: MAINT-JP-STJP
last-modified: 2026-04-09T01:54:32Z
source: APNIC
role: ABUSE SINGTELJP
country: ZZ
address: NF Park Bldg.3F, 9-15, Futaba 2-Chome
address: Shinagawa-ku, Tokyo 142-0043, Japan
phone: +000000000
e-mail: leonkoh@singtel.com
admin-c: MA87-AP
admin-c: KELL1-AP
admin-c: TYM27-AP
tech-c: KELL1-AP
tech-c: TYM27-AP
nic-hdl: AS2806-AP
remarks: Generated from irt object IRT-SINGTEL-JP
remarks: leonkoh@singtel.com was validated on 2026-04-09
abuse-mailbox: leonkoh@singtel.com
mnt-by: APNIC-ABUSE
last-modified: 2026-04-09T01:54:47Z
source: APNIC
person: Koh Enk Liang Leon
address: Singapore
country: SG
phone: +65 6838 3029
e-mail: leonkoh@singtel.com
nic-hdl: KELL1-AP
mnt-by: MAINT-SINGTEL-IX
last-modified: 2011-05-12T03:56:28Z
source: APNIC
person: YOUSUKE IZUTANI
nic-hdl: YI2-AP
e-mail: yizutani@singtel.com
address: NTT Data Dojima Bldg., 13F
address: Dojima 3-1-21, Kita-ku, Osaka-shi,
address: Osaka, 530-0003 Japan
phone: +816-6458-1405
fax-no: +816-6458-1401
country: JP
mnt-by: MAINT-JP-STJP
last-modified: 2008-09-04T07:29:33Z
source: APNIC
% Information related to '203.173.64.0/20AS17977'
route: 203.173.64.0/20
origin: AS17977
descr: Singapore Telecom Japan Ltd
NF Park Building, 3F
9-15, Futaba 2-Chome Shinagawa
mnt-by: MAINT-JP-STJP
last-modified: 2023-04-21T05:08:51Z
source: APNIC
% Information related to '203.173.64.0/20AS7473'
route: 203.173.64.0/20
origin: AS7473
descr: Singapore Telecom Japan Ltd
NF Park Building, 3F
9-15, Futaba 2-Chome Shinagawa
mnt-by: MAINT-JP-STJP
last-modified: 2023-04-21T05:08:37Z
source: APNIC
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