ASN Lookup Tool

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Contacts

Legacy Routes

Hitachi, Ltd. IT strategy & Digital Integration Division, Employee Experience Office

JP 9 Routes

AS Data

AS2526

AS2526 – Hitachi, Ltd. IT strategy & Digital Integration Division, Employee Experience Office

AS Number	2526
AS Name	HITNET
Organization	Hitachi, Ltd. IT strategy & Digital Integration Division, Employee Experience Office()
Country	JP
Number of IPv4 Routes	9
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	JPNIC
Date Allocated	N/A

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Use ASN data for AS2526 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
133.145.0.0/16	AS2526	Hitachi, Ltd. IT strategy & Digital Integration Division, Employee Experience Office	Japan Network Information Center	65536
133.145.184.0/24	AS2526	Hitachi, Ltd. IT strategy & Digital Integration Division, Employee Experience Office	Japan Network Information Center	256
133.145.64.0/19	AS2526	Hitachi, Ltd. IT strategy & Digital Integration Division, Employee Experience Office	Japan Network Information Center	8192
133.145.96.0/20	AS2526	Hitachi, Ltd. IT strategy & Digital Integration Division, Employee Experience Office	Japan Network Information Center	4096
133.145.224.0/19	AS2526	Hitachi, Ltd. IT strategy & Digital Integration Division, Employee Experience Office	Japan Network Information Center	8192
133.145.185.0/24	AS2526	Hitachi, Ltd. IT strategy & Digital Integration Division, Employee Experience Office	Japan Network Information Center	256
133.145.128.0/18	AS2526	Hitachi, Ltd. IT strategy & Digital Integration Division, Employee Experience Office	Japan Network Information Center	16384
133.145.32.0/19	AS2526	Hitachi, Ltd. IT strategy & Digital Integration Division, Employee Experience Office	Japan Network Information Center	8192
133.145.112.0/21	AS2526	Hitachi, Ltd. IT strategy & Digital Integration Division, Employee Experience Office	Japan Network Information Center	2048

Raw Whois Response

[ 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]                  2526
b. [AS Name]                    HITNET
g. [Organization]               Hitachi, Ltd. IT strategy & Digital Integration Division, Employee Experience Office
m. [Administrative Contact]     RA17564JP
n. [Technical Contact]          RA17564JP
q. [Abuse]                      
o. [IMPORT]                     from AS2497 100 accept ANY
o. [IMPORT]                     from AS2516 100 accept ANY
p. [EXPORT]                     to AS2497 announce AS2526
p. [EXPORT]                     to AS2516 announce AS2526
[Assigned Date]                 
[Last Update]                   2026/01/05 15:10:17(JST)
% [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.
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:  2017-06-12T03:54:29Z
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
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)



#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       2497 - 2528
ASName:         APNIC-AS-X-BLOCK
ASHandle:       AS2497
RegDate:        2002-04-05
Updated:        2009-10-08
Comment:        These AS numbers are not registered in the ARIN database.
Comment:        For details, refer to the APNIC Whois Database via
Comment:        WHOIS.APNIC.NET or http://wq.apnic.net/apnic-bin/whois.pl    
Ref:            https://rdap.arin.net/registry/autnum/2497

ResourceLink:  https://apps.db.ripe.net/db-web-ui/query
ResourceLink:  whois.apnic.net


OrgName:        Asia Pacific Network Information Centre
OrgId:          APNIC
Address:        PO Box 3646
City:           South Brisbane
StateProv:      QLD
PostalCode:     4101
Country:        AU
RegDate:        
Updated:        2012-01-24
Ref:            https://rdap.arin.net/registry/entity/APNIC

ReferralServer:  whois://whois.apnic.net
ResourceLink:  http://wq.apnic.net/whois-search/static/search.html

OrgTechHandle: AWC12-ARIN
OrgTechName:   APNIC Whois Contact
OrgTechPhone:  +61 7 3858 3188 
OrgTechEmail:  search-apnic-not-arin@apnic.net
OrgTechRef:    https://rdap.arin.net/registry/entity/AWC12-ARIN

OrgAbuseHandle: AWC12-ARIN
OrgAbuseName:   APNIC Whois Contact
OrgAbusePhone:  +61 7 3858 3188 
OrgAbuseEmail:  search-apnic-not-arin@apnic.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/AWC12-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number	Description	Country
AS2497	Internet Initiative Japan Inc.	JP
AS4713	NTT DOCOMO BUSINESS,Inc.	JP
AS2516	KDDI CORPORATION	JP

Upstreams

AS Number	Description	Country
AS4713	NTT DOCOMO BUSINESS,Inc.	JP

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Frequently Asked Questions

What is ASN AS2526?

ASN AS2526 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS2526?

AS2526 is listed under Hitachi, Ltd. IT strategy & Digital Integration Division, Employee Experience Office.

What do peers, upstreams, and downstreams mean?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data included here?

WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access full ASN table data?

This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.