AS18097 DCN - D.C.N. Corporation, JP

AS Number

AS18097

AS Name

DCN

Org Name

D.C.N. Corporation

Country / Region

Japan

Registry

apnic

RegDate

Updated

2019-01-08T23:19:07Z

AS18097 Looking Glass

IPv4Prefixes

IPv6Prefixes

IPv4 NUMs

19,968

IPv6 NUMs(/64)

4,294,967,296

IPv4 Ranges
IPv6 Ranges

CIDR	Description	IP Num
27.109.120.0/22	CM COSMO MEDIA, INC.	1024
45.113.172.0/22	FREEASYINC-JP freeasy inc.	1024
103.36.140.0/22	ACEQUALITYCOLTD-JP 2-23-1,YOYOGI	1024
103.53.96.0/22	FREEASYINC-JP freeasy inc.	1024
103.83.24.0/22	EICINC-JP EIC INC	1024
119.15.144.0/21	e-Broad e-Broad Communications Inc	2048
121.100.56.0/22	RKSNT-1IP-5619 RKS Co.,Ltd.	1024
121.100.60.0/22	RKSNT-1IP-6643 RKS Co.,Ltd.	1024
123.108.84.0/22	EICINC-JP EIC INC	1024
153.124.232.0/24	TRUNK trunk inc.	256
153.124.233.0/24	TRUNK trunk inc.	256
153.124.234.0/24	TRUNK trunk inc.	256
153.124.235.0/24	TRUNK trunk inc.	256
210.189.176.0/22	JPNIC-NET-JP Japan Network Information Center	1024
210.189.180.0/22	JPNIC-NET-JP Japan Network Information Center	1024
210.189.184.0/22	JPNIC-NET-JP Japan Network Information Center	1024
210.189.188.0/22	JPNIC-NET-JP Japan Network Information Center	1024
216.179.198.0/23	Social Mind Corporation	512
219.105.32.0/20	JPNIC-NET-JP Japan Network Information Center	4096

CIDR	Description	IP NUMs(prefix /64)
2402:c400::/32	DCN-JPNIC-JP-20091109 Japan Network Information Center	4294967296

AS	Description	Country / Region	IPv4 NUMs	IPv6 NUMs	IPv4	IPv6
AS2914	NTT-DATA-2914 - NTT America, Inc., US		6,499,584	30,065,033,216		IPv6
AS7529	NETIRD - GMO NetIRD, Inc., JP		10,752	4,294,967,296	IPv4

Whois Record

as-block AS17653 - AS18431

as-block	AS17653 - AS18431
descr	APNIC ASN block
remarks	These AS numbers are further assigned by APNIC to APNIC members and end-users in the APNIC region
admin-c	HM20-AP
tech-c	HM20-AP
mnt-by	APNIC-HM
mnt-lower	APNIC-HM
last-modified	2019-01-08T23:19:07Z
source	APNIC

role APNIC Hostmaster

role	APNIC Hostmaster
address	PO Box 3646 South Brisbane QLD 4101
country	AU
phone	+61 7 3858 3100
fax-no	+61 7 3858 3199
e-mail	helpdesk@apnic.net
admin-c	AMS11-AP
tech-c	AH256-AP
nic-hdl	HM20-AP
remarks	Administrator for APNIC
notify	hostmaster@apnic.net
mnt-by	MAINT-APNIC-AP
last-modified	2026-08-26T00:40:00Z
source	APNIC

as-block AS18085 - AS18098

as-block	AS18085 - AS18098
descr	JPNIC-2Byte-ASBLOCK-AP for assignment to JPNIC members
country	JP
admin-c	JNIC1-AP
tech-c	JNIC1-AP
remarks	Authoritative information regarding AS Number assignments made from within this block can be queried at whois.nic.ad.jp. To only display English output, add '/e' at the end of command, e.g. 'whois -h whois.nic.ad.jp xxx/e'.
mnt-by	APNIC-HM
mnt-lower	MAINT-JPNIC
last-modified	2018-07-09T01:00:49Z
source	APNIC

role Japan Network Information Center

role	Japan Network Information Center
address	Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda 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

aut-num AS18097

aut-num	AS18097
as-name	DCN
descr	D.C.N. Corporation 6F 4-2-16 Komaba Meguro Tokyo JAPAN
admin-c	JNIC1-AP
tech-c	JNIC1-AP
remarks	Email address for spam or abuse complaints : abuse@dcn.ad.jp
country	JP
mnt-by	MAINT-JPNIC
mnt-lower	MAINT-JPNIC
mnt-irt	IRT-JPNIC-JP
last-modified	2024-10-03T07:54:18Z
source	APNIC

irt IRT-JPNIC-JP

irt	IRT-JPNIC-JP
address	Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda 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

role	Japan Network Information Center
address	Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda 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

aut-num AS18097

aut-num	AS18097
as-name	DCN
descr	D.C.N. Corporation
import	from AS4694 100 accept ANY from AS9370 100 accept ANY from AS9371 100 accept ANY from AS10012 100 accept ANY
export	to AS4694 announce AS18097 to AS9370 announce AS18097 to AS9371 announce AS18097 to AS10012 announce AS18097
country	JP
admin-c	SK755JP
tech-c	TF304JP
last-modified	2004-05-27T20:43:08Z
remarks	This information has been partially mirrored by APNIC from JPNIC. To obtain more specific information, please use the JPNIC WHOIS Gateway at http://www.nic.ad.jp/en/db/whois/en-gateway.html or whois.nic.ad.jp for WHOIS client. (The WHOIS client defaults to Japanese output, use the /e switch for English output)
source	JPNIC

Raw whois response

as-block:       AS17653 - AS18431
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      APNIC-HM
last-modified:  2019-01-08T23:19:07Z
source:         APNIC

role:           APNIC Hostmaster
address:        PO Box 3646
address:        South Brisbane
address:        QLD 4101
country:        AU
phone:          +61 7 3858 3100
fax-no:         +61 7 3858 3199
e-mail:         helpdesk@apnic.net
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
notify:         hostmaster@apnic.net
mnt-by:         MAINT-APNIC-AP
last-modified:  2026-08-26T00:40:00Z
source:         APNIC


as-block:       AS18085 - AS18098
descr:          JPNIC-2Byte-ASBLOCK-AP
descr:          for assignment to JPNIC members
country:        JP
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
remarks:        Authoritative information regarding AS Number
remarks:        assignments made from within this block can be
remarks:        queried at whois.nic.ad.jp.
remarks:        To only display English output,
remarks:        add '/e' at the end of command,
remarks:        e.g. 'whois -h whois.nic.ad.jp xxx/e'.
mnt-by:         APNIC-HM
mnt-lower:      MAINT-JPNIC
last-modified:  2018-07-09T01:00:49Z
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



aut-num:        AS18097
as-name:        DCN
descr:          D.C.N. Corporation
descr:          6F 4-2-16 Komaba Meguro
descr:          Tokyo JAPAN
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
remarks:        Email address for spam or abuse complaints : abuse@dcn.ad.jp
country:        JP
mnt-by:         MAINT-JPNIC
mnt-lower:      MAINT-JPNIC
mnt-irt:        IRT-JPNIC-JP
last-modified:  2024-10-03T07:54:18Z
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


aut-num:        AS18097
as-name:        DCN
descr:          D.C.N. Corporation
import:         from AS4694 100 accept ANY
import:         from AS9370 100 accept ANY
import:         from AS9371 100 accept ANY
import:         from AS10012 100 accept ANY
export:         to AS4694 announce AS18097
export:         to AS9370 announce AS18097
export:         to AS9371 announce AS18097
export:         to AS10012 announce AS18097
country:        JP
admin-c:        SK755JP
tech-c:         TF304JP
last-modified:  2004-05-27T20:43:08Z
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

AS18097 - DCN - D.C.N. Corporation, JP

AS18097

DCN

D.C.N. Corporation

Japan

Whois Record

as-block AS17653 - AS18431

role APNIC Hostmaster

as-block AS18085 - AS18098

role Japan Network Information Center

aut-num AS18097

irt IRT-JPNIC-JP

role Japan Network Information Center

aut-num AS18097