route: 153.252.0.0/15
descr: OCN (AS4713) CIDR BLOCK 100
NTT Communications Corporation
1-1-6 Uchisaiwai-cho, Chiyoda-ku
Tokyo 100-8019 JAPAN
tech-c: Tomoya YOSHIDA
origin: AS4713
mnt-by: MAINT-AS4713
changed: admin[at]ocn.ad.jp 20120917
source: RADB
last-modified: 2023-11-13T15:43:22Z
rpki-ov-state: valid

route: 153.252.0.0/15
descr: OCN (AS4713) CIDR BLOCK 100
NTT Communications Corporation
1-1-6 Uchisaiwai-cho, Chiyoda-ku
Tokyo 100-8019 JAPAN
tech-c: Tomoya YOSHIDA
origin: AS4713
mnt-by: MAINT-AS4713
changed: admin[at]ocn.ad.jp 20120918
source: NTTCOM
rpki-ov-state: valid

route: 153.252.0.0/15
descr: OCN (AS4713) CIDR BLOCK 100 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN
tech-c: Tomoya YOSHIDA
origin: AS4713
mnt-by: MAINT-AS4713
changed: admin[at]ocn.ad.jp 20241101
source: JPIRR
rpki-ov-state: valid

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% Information related to '153.128.0.0 - 153.253.255.255'

% Abuse contact for '153.128.0.0 - 153.253.255.255' is 'hostmaster[at]nic.ad.jp'

inetnum: 153.128.0.0 - 153.253.255.255
netname: OCN
descr: NTT DOCOMO BUSINESS,Inc.
descr: OTEMACHI PLACE WEST TOWER 2-3-1 Otemachi Chiyoda-ku, Tokyo 100-8019 Japan
country: JP
admin-c: JNIC1-AP
tech-c: JNIC1-AP
status: ALLOCATED PORTABLE
remarks: Email address for spam or abuse complaints: abuse[at]ocn.ad.jp
mnt-by: MAINT-JPNIC
mnt-irt: IRT-JPNIC-JP
mnt-lower: MAINT-JPNIC
last-modified: 2025-09-04T00:00:09Z
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[at]nic.ad.jp
abuse-mailbox: hostmaster[at]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[at]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[at]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 '153.253.0.0 - 153.253.255.255'

inetnum: 153.253.0.0 - 153.253.255.255
netname: OCN
descr: Open Computer Network
country: JP
admin-c: JP00009614
tech-c: JP00009427
last-modified: 2012-09-19T01:04:04Z
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-JP1)