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



% [whois.apnic.net]
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% Information related to '202.72.100.0 - 202.72.100.255'

% Abuse contact for '202.72.100.0 - 202.72.100.255' is 'hostmaster@nic.ad.jp'

inetnum:        202.72.100.0 - 202.72.100.255
netname:        INTELSAT-CA
descr:          Intelsat International Systems, LLC
descr:          Yurakucho Denki Bldg., South Tower 13F, 1-7-1 Yurakucho, Chiyoda-ku, Tokyo
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
remarks:        Email address for spam or abuse complaints : miki.kanazawa@intelsat.com
country:        JP
mnt-by:         MAINT-JPNIC
mnt-lower:      MAINT-JPNIC
mnt-irt:        IRT-JPNIC-JP
status:         ASSIGNED PORTABLE
last-modified:  2024-02-21T03:24:02Z
source:         APNIC

irt:            IRT-JPNIC-JP
address:        Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda
address:        Chiyoda-ku, Tokyo 101-0047, japan
e-mail:         hostmaster@nic.ad.jp
abuse-mailbox:  hostmaster@nic.ad.jp
phone:          +81-3-5297-2311
fax-no:         +81-3-5297-2312
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
auth:           # Filtered
remarks:        hostmaster@nic.ad.jp was validated on 2024-11-27
mnt-by:         MAINT-JPNIC
last-modified:  2025-09-04T01:00:00Z
source:         APNIC

role:           Japan Network Information Center
address:        Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda
address:        Chiyoda-ku, Tokyo 101-0047, Japan
country:        JP
phone:          +81-3-5297-2311
fax-no:         +81-3-5297-2312
e-mail:         hostmaster@nic.ad.jp
admin-c:        JI13-AP
tech-c:         JE53-AP
nic-hdl:        JNIC1-AP
mnt-by:         MAINT-JPNIC
last-modified:  2022-01-05T03:04:02Z
source:         APNIC

% Information related to '202.72.100.0 - 202.72.100.255'

inetnum:        202.72.100.0 - 202.72.100.255
netname:        INTELSAT-CA-SPI-CIDR-BLK-JP
descr:          Intelsat International Systems, LLC
remarks:        Email address for spam or abuse complaints : miki.kanazawa@intelsat.com
country:        JP
admin-c:        MF33318JP
tech-c:         SB7945JP
tech-c:         WJ1880JP
last-modified:  2024-02-21T23:03:18Z
remarks:        This information has been partially mirrored by APNIC from
remarks:        JPNIC. To obtain more specific information, please use the
remarks:        JPNIC WHOIS Gateway at
remarks:        http://www.nic.ad.jp/en/db/whois/en-gateway.html or
remarks:        whois.nic.ad.jp for WHOIS client. (The WHOIS client
remarks:        defaults to Japanese output, use the /e switch for English
remarks:        output)
source:         JPNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-AU4)