AS4730 - OUXNET - Osaka University, JP

Japan
AS Number
AS4730
AS Name
OUXNET
Org Name
Osaka University
Country / Region
Japan
Registry

apnic

RegDate

Updated

2019-05-20T03:52:26Z

AS4730 Looking Glass
IPv4Prefixes

2

IPv6Prefixes

0

IPv4 NUMs

67,584

IPv6 NUMs(/64)

0

CIDR Description IP Num
133.1.0.0/16
JPNIC-NET-JP-ERX Japan Network Information Center 65536
192.50.0.0/21
JAPAN-INET-BLOCK1 imported inetnum object for JNIC 2048
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 8,819,968 8,589,934,595 IPv4 IPv4

Whois Record

as-block AS4608 - AS4865

as-block
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
2019-05-20T03:52:26Z
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
admin-c
AMS11-AP
tech-c
AH256-AP
nic-hdl
HM20-AP
remarks
Administrator for APNIC
notify
mnt-by
MAINT-APNIC-AP
last-modified
2026-08-26T00:40:00Z
source
APNIC

as-block AS4683 - AS4735

as-block
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
2023-08-28T04:50:39Z
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
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 AS4730

aut-num
as-name
OUXNET
descr
Osaka University
5-1 Mihogaoka, Ibaraki city, Osaka, 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
2024-08-13T05:49:41Z
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
abuse-mailbox
phone
+81-3-5297-2311
fax-no
+81-3-5297-2312
admin-c
JNIC1-AP
tech-c
JNIC1-AP
auth
# Filtered
remarks
[email protected] 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
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 AS4730

aut-num
as-name
ODINS
descr
Osaka University
import
from AS2500 100 accept ANY
from AS2520 100 accept ANY
from AS2907 100 accept ANY
export
to AS2500 announce AS4730
to AS2520 announce AS4730
to AS2907 announce AS4730
country
JP
admin-c
YM15537JP
tech-c
YM15537JP
last-modified
2022-07-16T00:23:04Z
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
 

as-block:       AS4608 - AS4865
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:  2019-05-20T03:52:26Z
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:         [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:  2026-08-26T00:40:00Z
source:         APNIC


as-block:       AS4683 - AS4735
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:  2023-08-28T04:50:39Z
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:        AS4730
as-name:        OUXNET
descr:          Osaka University
descr:          5-1 Mihogaoka, Ibaraki city, Osaka, 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:  2024-08-13T05:49:41Z
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] 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:         [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:        AS4730
as-name:        ODINS
descr:          Osaka University
import:         from AS2500 100 accept ANY
import:         from AS2520 100 accept ANY
import:         from AS2907 100 accept ANY
export:         to AS2500 announce AS4730
export:         to AS2520 announce AS4730
export:         to AS2907 announce AS4730
country:        JP
admin-c:        YM15537JP
tech-c:         YM15537JP
last-modified:  2022-07-16T00:23:04Z
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