2526 HITNET Hitachi, Ltd. IT strategy & Digital Integration Division, Employee Experience Office, JP
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS4713 OCN NTT DOCOMO BUSINESS,Inc., JP
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 2185 AS2526 ORIGIN Originate: 113152 /15.21 Transit: 0 /0.00 HITNET Hitachi, Ltd. IT strategy & Digital Integration Division, Employee Experience Office, JP
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 5703 AS2526 HITNET Hitachi, Ltd. IT strategy & Digital In 9 8 0 1 8 88.89% Prefix AS Path Aggregation Suggestion 133.145.0.0/16 4777 4713 2526 133.145.32.0/19 4777 4713 2526 - Withdrawn - matching aggregate 133.145.0.0/16 4777 4713 2526 133.145.64.0/19 4777 4713 2526 - Withdrawn - matching aggregate 133.145.0.0/16 4777 4713 2526 133.145.96.0/20 4777 4713 2526 - Withdrawn - matching aggregate 133.145.0.0/16 4777 4713 2526 133.145.112.0/21 4777 4713 2526 - Withdrawn - matching aggregate 133.145.0.0/16 4777 4713 2526 133.145.128.0/18 4777 4713 2526 - Withdrawn - matching aggregate 133.145.0.0/16 4777 4713 2526 133.145.184.0/24 4777 4713 2526 - Withdrawn - matching aggregate 133.145.0.0/16 4777 4713 2526 133.145.185.0/24 4777 4713 2526 - Withdrawn - matching aggregate 133.145.0.0/16 4777 4713 2526 133.145.224.0/19 4777 4713 2526 - Withdrawn - matching aggregate 133.145.0.0/16 4777 4713 2526
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS2526 9 More Specifics 9 Total Advertisements HITNET Hitachi, Ltd. IT strategy & Digital Integration Division, Employee Experience Office, JP
133.145.0.0/16 133.0.0.0/8
133.145.32.0/19 133.0.0.0/8
133.145.64.0/19 133.0.0.0/8
133.145.96.0/20 133.0.0.0/8
133.145.112.0/21 133.0.0.0/8
133.145.128.0/18 133.0.0.0/8
133.145.184.0/24 133.0.0.0/8
133.145.185.0/24 133.0.0.0/8
133.145.224.0/19 133.0.0.0/8
whois: 402332
IANA has recorded AS2526 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS2526\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS2497 - AS2528'
as-block: AS2497 - AS2528
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.
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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: 2017-06-12T03:54:29Z
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 'AS2526'
% Abuse contact for 'AS2526' is 'hostmaster@nic.ad.jp'
aut-num: AS2526
as-name: HITNET
descr: Hitachi, Ltd.
country: JP
admin-c: JNIC1-AP
tech-c: JNIC1-AP
mnt-by: MAINT-JPNIC
mnt-lower: MAINT-JPNIC
mnt-irt: IRT-JPNIC-JP
last-modified: 2024-10-11T02:33:35Z
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 'AS2526'
aut-num: AS2526
as-name: HITNET
descr: Hitachi, Ltd. IT strategy & Digital Integration Division, Employee Experience Office
import: from AS2497 100 accept ANY
import: from AS2516 100 accept ANY
export: to AS2497 announce AS2526
export: to AS2516 announce AS2526
country: JP
admin-c: RA17564JP
tech-c: RA17564JP
last-modified: 2026-01-06T00:10:17Z
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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 1.88.36-SNAPSHOT (WHOIS-AU5)