ASN Lookup Tool

[ JPNIC database provides information regarding IP address and ASN. Its use   ]
[ is restricted to network administration purposes. For further information,  ]
[ use 'whois -h whois.nic.ad.jp help'. To only display English output,        ]
[ add '/e' at the end of command, e.g. 'whois -h whois.nic.ad.jp xxx/e'.      ]

Autonomous System Information:
a. [AS Number]                  9591
b. [AS Name]                    NIFS
g. [Organization]               National Institute for Fusion Science
m. [Administrative Contact]     TY841JP
n. [Technical Contact]          TY841JP
q. [Abuse]                      
o. [IMPORT]                     from AS2907 100 accept  ANY
o. [IMPORT]                     from AS3425 100 accept ANY
o. [IMPORT]                     from AS3426 100 accept  ANY
o. [IMPORT]                     from AS3427 100 accept ANY
o. [IMPORT]                     from AS3428 100 accept ANY
o. [IMPORT]                     from AS3429 100 accept ANY
o. [IMPORT]                     from AS3430 100 accept ANY
o. [IMPORT]                     from AS3431 100 accept ANY
o. [IMPORT]                     from AS3432 100 accept ANY
o. [IMPORT]                     from AS3433 100 accept ANY
o. [IMPORT]                     from AS3434 100 accept ANY
o. [IMPORT]                     from AS3435 100 accept ANY
o. [IMPORT]                     from AS3436 100 accept ANY
o. [IMPORT]                     from AS3437 100 accept ANY
o. [IMPORT]                     from AS3438 100 accept ANY
o. [IMPORT]                     from AS3439 100 accept ANY
o. [IMPORT]                     from AS3440 100 accept  ANY
o. [IMPORT]                     from AS3441 100 accept ANY
o. [IMPORT]                     from AS3442 100 accept ANY
o. [IMPORT]                     from AS3443 100 accept ANY
o. [IMPORT]                     from AS3444 100 accept ANY
o. [IMPORT]                     from AS3445 100 accept ANY
p. [EXPORT]                     to AS2907 announce AS9591
p. [EXPORT]                     to AS3425 announce AS9591
p. [EXPORT]                     to AS3426 announce AS9591
p. [EXPORT]                     to AS3427 announce AS9591
p. [EXPORT]                     to AS3428 announce AS9591
p. [EXPORT]                     to AS3429 announce AS9591
p. [EXPORT]                     to AS3430 announce AS9591
p. [EXPORT]                     to AS3431 announce AS9591
p. [EXPORT]                     to AS3432 announce AS9591
p. [EXPORT]                     to AS3433 announce AS9591
p. [EXPORT]                     to AS3434 announce AS9591
p. [EXPORT]                     to AS3435 announce AS9591
p. [EXPORT]                     to AS3436 announce AS9591
p. [EXPORT]                     to AS3437 announce AS9591
p. [EXPORT]                     to AS3438 announce AS9591
p. [EXPORT]                     to AS3439 announce AS9591
p. [EXPORT]                     to AS3440 announce AS9591
p. [EXPORT]                     to AS3441 announce AS9591
p. [EXPORT]                     to AS3442 announce AS9591
p. [EXPORT]                     to AS3443 announce AS9591
p. [EXPORT]                     to AS3444 announce AS9591
p. [EXPORT]                     to AS3445 announce AS9591
[Assigned Date]                 1999/10/26
[Last Update]                   2019/09/17 12:20:02(JST)
% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS9249 - AS10239'

as-block:       AS9249 - AS10239
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:  2022-09-22T22:36:45Z
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:         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:  2013-10-23T04:06:51Z
source:         APNIC

% Information related to 'AS9591 - AS9622'

as-block:       AS9591 - AS9622
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:  2017-06-12T03:54:30Z
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

% Information related to 'AS9591'

% Abuse contact for 'AS9591' is 'hostmaster@nic.ad.jp'

aut-num:        AS9591
as-name:        NIFSNET
descr:          National Institute for Fusion Science
descr:          322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
remarks:        Email address for spam or abuse complaints : net-wg@nifs.ac.jp
country:        JP
mnt-by:         MAINT-JPNIC
mnt-irt:        IRT-JPNIC-JP
last-modified:  2024-10-23T00:57:42Z
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:         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

% Information related to 'AS9591'

aut-num:        AS9591
as-name:        NIFS
descr:          National Institute for Fusion Science
import:         from AS2907 100 accept  ANY
import:         from AS3425 100 accept ANY
import:         from AS3426 100 accept  ANY
import:         from AS3427 100 accept ANY
import:         from AS3428 100 accept ANY
import:         from AS3429 100 accept ANY
import:         from AS3430 100 accept ANY
import:         from AS3431 100 accept ANY
import:         from AS3432 100 accept ANY
import:         from AS3433 100 accept ANY
import:         from AS3434 100 accept ANY
import:         from AS3435 100 accept ANY
import:         from AS3436 100 accept ANY
import:         from AS3437 100 accept ANY
import:         from AS3438 100 accept ANY
import:         from AS3439 100 accept ANY
import:         from AS3440 100 accept  ANY
import:         from AS3441 100 accept ANY
import:         from AS3442 100 accept ANY
import:         from AS3443 100 accept ANY
import:         from AS3444 100 accept ANY
import:         from AS3445 100 accept ANY
export:         to AS2907 announce AS9591
export:         to AS3425 announce AS9591
export:         to AS3426 announce AS9591
export:         to AS3427 announce AS9591
export:         to AS3428 announce AS9591
export:         to AS3429 announce AS9591
export:         to AS3430 announce AS9591
export:         to AS3431 announce AS9591
export:         to AS3432 announce AS9591
export:         to AS3433 announce AS9591
export:         to AS3434 announce AS9591
export:         to AS3435 announce AS9591
export:         to AS3436 announce AS9591
export:         to AS3437 announce AS9591
export:         to AS3438 announce AS9591
export:         to AS3439 announce AS9591
export:         to AS3440 announce AS9591
export:         to AS3441 announce AS9591
export:         to AS3442 announce AS9591
export:         to AS3443 announce AS9591
export:         to AS3444 announce AS9591
export:         to AS3445 announce AS9591
country:        JP
admin-c:        TY841JP
tech-c:         TY841JP
last-modified:  2019-09-17T21:20:02Z
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-US2)