AS Name Org Name IPv4Prefixes IPv6Prefixes IPv4 NUMs IPv6 NUMs(/64) Registry Region Looking Glass
DCN D.C.N. Corporation 25 1 97,280 4,294,967,296 Japan
97,280 IPv4 Addresses
CIDR Description IP Num
27.109.120.0/22 CM COSMO MEDIA, INC. 1024
45.113.172.0/22 FREEASYINC-JP freeasy inc. 1024
45.116.72.0/22 FIRSTFORMINC-JP 2-3-2 Matsugaya Taito-ku 1024
103.6.56.0/22 SMARTNET-AS-AP SmartRams Co., Ltd. 1024
103.7.132.0/22 ALLO ALLO-INC-JP 1024
103.28.228.0/22 RELAY-TRANS 1-22-3-1102 Ebisu Shibuya-ku Tokyo 1024
103.37.64.0/22 ALPS-JP 3-14-1 Toranomon, Minato-ku Tokyo 150-0001 1024
103.53.96.0/22 FREEASYINC-JP freeasy inc. 1024
119.15.144.0/21 DCN D.C.N. Corporation 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
133.140.0.0/24 JPNIC-NET-JP-ERX Japan Network Information Center 256
133.140.0.0/16 JPNIC-NET-JP-ERX Japan Network Information Center 65536
202.6.8.0/22 ARISEAMAZE ARISEAMAZE-INC-JP 1024
202.53.208.0/20 IC-NET IC-NET Corporation 4096
202.60.16.0/20 IC-NET IC-NET Corporation 4096
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
216.179.146.0/23 AMDIA.INC 512
216.179.196.0/23 AZUKI, LLC 512
216.179.198.0/23 AMDIA.INC 512
219.105.32.0/20 JPNIC-NET-JP Japan Network Information Center 4096
221.132.122.0/23 SMARTNET-JP 5-6-34 Shimonocho Kojima 512
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-COMMUNICATIONS-2914 - NTT America, Inc., US United States 7,052,544 21,475,360,768 IPv4 IPv4 IPv6 IPv6
AS7529 NETIRD - NetIRD Inc., JP Japan 12,544 4,294,967,296 IPv4 IPv4
AS15412 FLAG-AS - Reliance Globalcom Limited, GB United Kingdom 32,256 4,294,967,296 IPv4 IPv4
IP Address Domain NUMs Domains
27.109.120.1 1 ns1.jah.ne.jp
27.109.120.10 1 www.zhimingsoft.jp
27.109.120.12 2 mx.it-navigate.com
27.109.120.22 3 e.doyu.jp
27.109.120.23 2 tokyo.doyu.jp
27.109.120.24 1 miyagi.doyu.jp
27.109.120.30 1 www.musashino.ed.jp
27.109.120.54 2 furusato-genki.jp
27.109.120.101 2 jah.jp
27.109.120.102 1 blog.jah.jp
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:        6 Cordelia Street
address:        South Brisbane
address:        QLD 4101
country:        AU
phone:          +61 7 3858 3100
fax-no:         +61 7 3858 3199
e-mail:         [email protected]
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
notify:         [email protected]
mnt-by:         MAINT-APNIC-AP
last-modified:  2013-10-23T04:06:51Z
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:        Urbannet-Kanda Bldg 4F
address:        3-6-2 Uchi-Kanda
address:        Chiyoda-ku, Tokyo 101-0047,Japan
country:        JP
phone:          +81-3-5297-2311
fax-no:         +81-3-5297-2312
e-mail:         [email protected]
admin-c:        JI13-AP
tech-c:         JE53-AP
nic-hdl:        JNIC1-AP
mnt-by:         MAINT-JPNIC
last-modified:  2012-08-28T07:58:02Z
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
source:         JPNIC