ASN AS63978 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS63978?

AS63978 is listed under Cboe Japan limited.

What do peers, upstreams, and downstreams mean in ASN data?

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 shown for an ASN?

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

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS63978 Cboe Japan limited | IPGeolocation.io

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Cboe Japan limited cboe.com

JP 0 Routes

AS Data

AS63978

AS63978 – Cboe Japan limited

AS Number	63978
AS Name	CJL-JP
Organization	Cboe Japan limited (org-cjl1-ap)
Country	JP
Website	cboe.com
Number of IPv4 Routes	0
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	APNIC
Date Allocated	N/A

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Use ASN data for AS63978 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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Raw Whois Response

% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS63488 - AS63999'

as-block:       AS63488 - AS63999
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:  2013-09-11T23:49:48Z
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 'AS63978'

% Abuse contact for 'AS63978' is 'netabuse@cboe.com'

aut-num:        AS63978
as-name:        CJL-JP
descr:          Akasaka InterCity 5F, 1-11-44 Akasaka,
descr:          Minato-ku Tokyo 107-0052, Japan
country:        JP
org:            ORG-CJL1-AP
admin-c:        CJLA2-AP
tech-c:         CJLA2-AP
abuse-c:        AC1772-AP
mnt-lower:      MAINT-CJL-JP
mnt-routes:     MAINT-CJL-JP
mnt-by:         APNIC-HM
mnt-irt:        IRT-CJL-JP
last-modified:  2023-06-27T01:20:29Z
source:         APNIC

irt:            IRT-CJL-JP
address:        Akasaka InterCity 5F, 1-11-44 Akasaka, Minato-ku Tokyo 107-0052
e-mail:         jp.it@cboe.com
abuse-mailbox:  netabuse@cboe.com
admin-c:        CJLA2-AP
tech-c:         CJLA2-AP
auth:           # Filtered
remarks:        netabuse@cboe.com was validated on 2026-02-03
remarks:        jp.it@cboe.com was validated on 2026-04-01
mnt-by:         MAINT-CJL-JP
last-modified:  2026-04-01T22:20:38Z
source:         APNIC

organisation:   ORG-CJL1-AP
org-name:       Cboe Japan limited
org-type:       LIR
country:        JP
address:        Akasaka InterCity 5F
address:        1-11-44 Akasaka
phone:          +81-3-6366-8833
fax-no:         +81-3-6366-8881
e-mail:         jp.it@cboe.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:16:36Z
source:         APNIC

role:           ABUSE CJLJP
country:        ZZ
address:        Akasaka InterCity 5F, 1-11-44 Akasaka, Minato-ku Tokyo 107-0052
phone:          +000000000
e-mail:         jp.it@cboe.com
admin-c:        CJLA2-AP
tech-c:         CJLA2-AP
nic-hdl:        AC1772-AP
remarks:        Generated from irt object IRT-CJL-JP
remarks:        netabuse@cboe.com was validated on 2026-02-03
remarks:        jp.it@cboe.com was validated on 2026-04-01
abuse-mailbox:  netabuse@cboe.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-04-01T22:21:10Z
source:         APNIC

role:           Cboe Japan limited administrator
address:        Akasaka InterCity 5F, 1-11-44 Akasaka, Minato-ku Tokyo 107-0052
country:        JP
phone:          +81-3-6366-8833
e-mail:         jp.it@cboe.com
admin-c:        CJLA2-AP
tech-c:         CJLA2-AP
nic-hdl:        CJLA2-AP
mnt-by:         MAINT-CJL-JP
last-modified:  2023-06-25T08:52:04Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-UK2)



#
# 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:       63830 - 63999
ASName:         APNIC-ASBLOCK-63830
ASHandle:       AS63830
RegDate:        2013-09-11
Updated:        2022-09-13
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/63830

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.
#

[ 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'.      ]

No match!!

Reference: WHOIS servers of RIRs
  APNIC WHOIS(whois.apnic.net)
  ARIN WHOIS(whois.arin.net)
  RIPE WHOIS(apps.db.ripe.net)
  LACNIC WHOIS(whois.lacnic.net)
  AfriNIC WHOIS(whois.afrinic.net)
% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS63488 - AS63999'

as-block:       AS63488 - AS63999
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:  2013-09-11T23:49:48Z
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 'AS63978'

% Abuse contact for 'AS63978' is 'netabuse@cboe.com'

aut-num:        AS63978
as-name:        CJL-JP
descr:          Akasaka InterCity 5F, 1-11-44 Akasaka,
descr:          Minato-ku Tokyo 107-0052, Japan
country:        JP
org:            ORG-CJL1-AP
admin-c:        CJLA2-AP
tech-c:         CJLA2-AP
abuse-c:        AC1772-AP
mnt-lower:      MAINT-CJL-JP
mnt-routes:     MAINT-CJL-JP
mnt-by:         APNIC-HM
mnt-irt:        IRT-CJL-JP
last-modified:  2023-06-27T01:20:29Z
source:         APNIC

irt:            IRT-CJL-JP
address:        Akasaka InterCity 5F, 1-11-44 Akasaka, Minato-ku Tokyo 107-0052
e-mail:         jp.it@cboe.com
abuse-mailbox:  netabuse@cboe.com
admin-c:        CJLA2-AP
tech-c:         CJLA2-AP
auth:           # Filtered
remarks:        netabuse@cboe.com was validated on 2026-02-03
remarks:        jp.it@cboe.com was validated on 2026-04-01
mnt-by:         MAINT-CJL-JP
last-modified:  2026-04-01T22:20:38Z
source:         APNIC

organisation:   ORG-CJL1-AP
org-name:       Cboe Japan limited
org-type:       LIR
country:        JP
address:        Akasaka InterCity 5F
address:        1-11-44 Akasaka
phone:          +81-3-6366-8833
fax-no:         +81-3-6366-8881
e-mail:         jp.it@cboe.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:16:36Z
source:         APNIC

role:           ABUSE CJLJP
country:        ZZ
address:        Akasaka InterCity 5F, 1-11-44 Akasaka, Minato-ku Tokyo 107-0052
phone:          +000000000
e-mail:         jp.it@cboe.com
admin-c:        CJLA2-AP
tech-c:         CJLA2-AP
nic-hdl:        AC1772-AP
remarks:        Generated from irt object IRT-CJL-JP
remarks:        netabuse@cboe.com was validated on 2026-02-03
remarks:        jp.it@cboe.com was validated on 2026-04-01
abuse-mailbox:  netabuse@cboe.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-04-01T22:21:10Z
source:         APNIC

role:           Cboe Japan limited administrator
address:        Akasaka InterCity 5F, 1-11-44 Akasaka, Minato-ku Tokyo 107-0052
country:        JP
phone:          +81-3-6366-8833
e-mail:         jp.it@cboe.com
admin-c:        CJLA2-AP
tech-c:         CJLA2-AP
nic-hdl:        CJLA2-AP
mnt-by:         MAINT-CJL-JP
last-modified:  2023-06-25T08:52:04Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-UK2)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.apnic.net",
  "as_blocks" : [ {
    "as_block" : "AS63488 - AS63999",
    "description" : [ "APNIC ASN block" ],
    "admin_contacts" : [ "HM20-AP" ],
    "tech_contacts" : [ "HM20-AP" ],
    "remarks" : [ "These AS numbers are further assigned by APNIC", "to APNIC members and end-users in the APNIC region" ],
    "mnt_by" : [ "APNIC-HM" ],
    "mnt_lower" : [ "APNIC-HM" ],
    "date_updated" : "2013-09-11",
    "source" : "APNIC"
  }, {
    "as_block" : "AS63488 - AS63999",
    "description" : [ "APNIC ASN block" ],
    "admin_contacts" : [ "HM20-AP" ],
    "tech_contacts" : [ "HM20-AP" ],
    "remarks" : [ "These AS numbers are further assigned by APNIC", "to APNIC members and end-users in the APNIC region" ],
    "mnt_by" : [ "APNIC-HM" ],
    "mnt_lower" : [ "APNIC-HM" ],
    "date_updated" : "2013-09-11",
    "source" : "APNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS63978",
    "as_name" : "CJL-JP",
    "description" : [ "Akasaka InterCity 5F, 1-11-44 Akasaka,", "Minato-ku Tokyo 107-0052, Japan" ],
    "country" : "JP",
    "organization" : "ORG-CJL1-AP",
    "admin_contacts" : [ "CJLA2-AP" ],
    "tech_contacts" : [ "CJLA2-AP" ],
    "abuse_contacts" : [ "AC1772-AP" ],
    "mnt_irt" : [ "IRT-CJL-JP" ],
    "mnt_lower" : [ "MAINT-CJL-JP" ],
    "mnt_routes" : [ "MAINT-CJL-JP" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2023-06-27",
    "source" : "APNIC"
  }, {
    "aut_num" : "AS63978",
    "as_name" : "CJL-JP",
    "description" : [ "Akasaka InterCity 5F, 1-11-44 Akasaka,", "Minato-ku Tokyo 107-0052, Japan" ],
    "country" : "JP",
    "organization" : "ORG-CJL1-AP",
    "admin_contacts" : [ "CJLA2-AP" ],
    "tech_contacts" : [ "CJLA2-AP" ],
    "abuse_contacts" : [ "AC1772-AP" ],
    "mnt_irt" : [ "IRT-CJL-JP" ],
    "mnt_lower" : [ "MAINT-CJL-JP" ],
    "mnt_routes" : [ "MAINT-CJL-JP" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2023-06-27",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-CJL-JP",
    "address" : [ "Akasaka InterCity 5F, 1-11-44 Akasaka, Minato-ku Tokyo 107-0052" ],
    "street" : "Akasaka",
    "city" : "Tokyo",
    "zip_code" : "107-0052",
    "email" : [ "jp.it@cboe.com" ],
    "abuse_mailbox" : [ "netabuse@cboe.com" ],
    "admin_contacts" : [ "CJLA2-AP" ],
    "tech_contacts" : [ "CJLA2-AP" ],
    "remarks" : [ "netabuse@cboe.com was validated on 2026-02-03", "jp.it@cboe.com was validated on 2026-04-01" ],
    "mnt_by" : [ "MAINT-CJL-JP" ],
    "date_updated" : "2026-04-01",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-CJL1-AP",
    "name" : "Cboe Japan limited",
    "type" : "LIR",
    "address" : [ "Akasaka InterCity 5F", "1-11-44 Akasaka" ],
    "street" : "Akasaka",
    "country" : [ "JP" ],
    "email" : [ "jp.it@cboe.com" ],
    "phone" : [ "+81-3-6366-8833" ],
    "fax_no" : [ "+81-3-6366-8881" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2023-09-05",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "CJLA2-AP",
    "name" : "Cboe Japan limited administrator",
    "address" : [ "Akasaka InterCity 5F, 1-11-44 Akasaka, Minato-ku Tokyo 107-0052" ],
    "street" : "Akasaka",
    "city" : "Tokyo",
    "zip_code" : "107-0052",
    "country" : "JP",
    "email" : [ "jp.it@cboe.com" ],
    "phone" : [ "+81-3-6366-8833" ],
    "admin_contacts" : [ "CJLA2-AP" ],
    "tech_contacts" : [ "CJLA2-AP" ],
    "mnt_by" : [ "MAINT-CJL-JP" ],
    "date_updated" : "2023-06-25",
    "source" : "APNIC"
  } ],
  "technical_contacts" : [ {
    "handle" : "CJLA2-AP",
    "name" : "Cboe Japan limited administrator",
    "address" : [ "Akasaka InterCity 5F, 1-11-44 Akasaka, Minato-ku Tokyo 107-0052" ],
    "street" : "Akasaka",
    "city" : "Tokyo",
    "zip_code" : "107-0052",
    "country" : "JP",
    "email" : [ "jp.it@cboe.com" ],
    "phone" : [ "+81-3-6366-8833" ],
    "admin_contacts" : [ "CJLA2-AP" ],
    "tech_contacts" : [ "CJLA2-AP" ],
    "mnt_by" : [ "MAINT-CJL-JP" ],
    "date_updated" : "2023-06-25",
    "source" : "APNIC"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AC1772-AP",
    "name" : "ABUSE CJLJP",
    "address" : [ "Akasaka InterCity 5F, 1-11-44 Akasaka, Minato-ku Tokyo 107-0052" ],
    "street" : "Akasaka",
    "city" : "Tokyo",
    "zip_code" : "107-0052",
    "country" : "ZZ",
    "email" : [ "jp.it@cboe.com" ],
    "abuse_mailbox" : [ "netabuse@cboe.com" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "CJLA2-AP" ],
    "tech_contacts" : [ "CJLA2-AP" ],
    "remarks" : [ "Generated from irt object IRT-CJL-JP", "netabuse@cboe.com was validated on 2026-02-03", "jp.it@cboe.com was validated on 2026-04-01" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2026-04-01",
    "source" : "APNIC"
  } ]
}