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AS9591 National Institute for Fusion Science 🇯🇵 JP

Announcing 2 prefixes, seen at the RIS collectors.

IPv4 prefixes
2
65,792 (257 × /24)
IPv6 prefixes
0
-
Upstreams
2
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it

Registry and operator data

AS number
AS9591
Name
National Institute for Fusion Science
Organisation
National Institute for Fusion Science
Country
🇯🇵 JP
RIR
APNIC
Allocated
1999-08-05

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

2 valid (100.0%) 0 invalid (0.0%) 0 no ROA (0.0%)

Whois

Fetched from whois.apnic.net

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:        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:       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

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

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