AS Number
AS23623
AS Name
CHUO-U
Org Name
Chuo University
Country
Japan
Registry

apnic

RegDate

N/A

Updated

2024-08-13T10:26:42Z

AS23623 Looking Glass
IPv4Prefixes

2

IPv6Prefixes

0

IPv4 NUMs

65,536

IPv6 NUMs(/64)

0

65,536 IPv4 Addresses
CIDR Description IP Num
133.91.0.0/24 JPNIC-NET-JP-ERX Japan Network Information Center 256
133.91.0.0/16 JPNIC-NET-JP-ERX Japan Network Information Center 65536
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS2907 SINET-AS - Research Organization of Information and Systems, National Institute of Informatics, JP Japan 8,888,384 8,589,934,592 IPv4 IPv4
IP Address Domain NUMs Domains
133.91.9.199 1 academy.cbs.chuo-u.ac.jp
133.91.9.200 1 www.bio.chuo-u.ac.jp
133.91.20.69 2 ccau.jp
133.91.32.88 1 www.educ.kc.chuo-u.ac.jp
133.91.32.89 1 www.kc.chuo-u.ac.jp
133.91.32.172 1 ssd.kc.chuo-u.ac.jp
133.91.34.2 1 mailgw1.kc.chuo-u.ac.jp
133.91.34.4 5 chem.chuo-u.ac.jp
133.91.40.7 1 kasuga.cc.chuo-u.ac.jp
133.91.40.8 2 cc.chuo-u.ac.jp
as-block:       AS23552 - AS24575
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
remarks:        AS23889 has been transfered to AfriNIC
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      APNIC-HM
last-modified:  2009-09-29T06:04:16Z
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:       AS23612 - AS23643
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.  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:         MAINT-JPNIC
last-modified:  2009-11-18T06:15:50Z
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:         [email protected]
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:        AS23623
as-name:        CHUO-U
descr:          Chuo University
descr:          742-1 Higashi-Nakano Hachiouji-shi,Tokyo,JAPAN
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
remarks:        Email address for spam or abuse complaints : [email protected]
country:        JP
mnt-by:         MAINT-JPNIC
mnt-irt:        IRT-JPNIC-JP
last-modified:  2024-08-13T10:26:42Z
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:         [email protected]
abuse-mailbox:  [email protected]
phone:          +81-3-5297-2311
fax-no:         +81-3-5297-2312
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
auth:           # Filtered
remarks:        [email protected] is invalid
mnt-by:         MAINT-JPNIC
last-modified:  2024-09-28T21:13:03Z
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:         [email protected]
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:        AS23623
as-name:        CHUO-U
descr:          Chuo University
import:         from AS2914 100 accept ANY
import:         from AS2907 100 accept ANY
export:         to AS2914 announce AS23623
export:         to AS2907 announce AS23623
country:        JP
admin-c:        HH17619JP
tech-c:         KI3528JP
last-modified:  2013-04-04T23:05:07Z
source:         JPNIC