% APNIC found the following authoritative answer from: whois.apnic.net

% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to '203.131.248.0 - 203.131.255.255'

% Abuse contact for '203.131.248.0 - 203.131.255.255' is 'abuse@gin.ntt.net'

inetnum:        203.131.248.0 - 203.131.255.255
netname:        HKNET-IPBB-VERIO-HK
descr:          Verio at TPDC (IPBB Customer)
country:        HK
admin-c:        DA56-AP
tech-c:         DA56-AP
abuse-c:        AN934-AP
status:         ALLOCATED NON-PORTABLE
remarks:
remarks:        Abuse/UCE: info@goo.ne.jp
remarks:        Network: nttr-network@wh.verio.net
remarks:        Security: info@goo.ne.jp
remarks:
mnt-by:         MAINT-NTTGIN-JP
mnt-lower:      MAINT-NTTGIN-JP
mnt-irt:        IRT-NTTGIN-JP
last-modified:  2022-03-28T06:43:49Z
source:         APNIC

irt:            IRT-NTTGIN-JP
address:        Otemachi Place West Tower 32F, 2-3-1 Otemachi, Chiyoda-ku Tokyo 1000004
e-mail:         ipr@gin.ntt.net
abuse-mailbox:  abuse@gin.ntt.net
admin-c:        NLJC1-AP
tech-c:         NLJC1-AP
auth:           # Filtered
remarks:        abuse@gin.ntt.net was validated on 2025-12-08
remarks:        ipr@gin.ntt.net was validated on 2025-12-08
mnt-by:         MAINT-NTTGIN-JP
last-modified:  2025-12-08T19:50:57Z
source:         APNIC

role:           ABUSE NTTGINJP
country:        ZZ
address:        Otemachi Place West Tower 32F, 2-3-1 Otemachi, Chiyoda-ku Tokyo 1000004
phone:          +000000000
e-mail:         ipr@gin.ntt.net
admin-c:        NLJC1-AP
tech-c:         NLJC1-AP
nic-hdl:        AN934-AP
remarks:        Generated from irt object IRT-NTTGIN-JP
remarks:        abuse@gin.ntt.net was validated on 2025-12-08
remarks:        ipr@gin.ntt.net was validated on 2025-12-08
abuse-mailbox:  abuse@gin.ntt.net
mnt-by:         APNIC-ABUSE
last-modified:  2025-12-08T17:55:08Z
source:         APNIC

person:         DNS Administrator
address:        6 Chun Kwong Street,
address:        Tseung Kwun O Industrial Estate,
address:        Tseung Kwun O, N.T.,
address:        Hong Kong
country:        HK
phone:          +852 3793 0198
fax-no:         +852 2521 0081
e-mail:         dnstech@hknet.com
e-mail:         cs@ntt.com.hk
nic-hdl:        DA56-AP
mnt-by:         MAINT-HKNET-NT
last-modified:  2024-09-19T06:50:04Z
source:         APNIC

% Information related to '203.131.240.0/20AS2914'

route:          203.131.240.0/20
origin:         AS2914
descr:          NTT Ltd Japan Corporation
                Otemachi Place West Tower 32F, 2-3-1 Otemachi
mnt-by:         MAINT-NTTGIN-JP
last-modified:  2024-02-14T15:21:24Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.47 (WHOIS-AU4)