What is ASN AS141348?

ASN AS141348 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS141348?

AS141348 is listed under Bayer Holding Ltd..

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?

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AS141348 Bayer Holding Ltd. | IPGeolocation.io

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Bayer Holding Ltd.

JP 0 Routes

AS Data

AS141348

AS141348 – Bayer Holding Ltd.

AS Number	141348
AS Name	Bayer Holding Ltd.
Organization	Bayer Holding Ltd. (org-bhl2-ap)
Country	JP
Number of IPv4 Routes	0
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	APNIC
Date Allocated	2020-10-15

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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'.      ]

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 'AS140602 - AS141625'

as-block:       AS140602 - AS141625
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:  2019-06-13T01:03:24Z
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

% Information related to 'AS141348'

% Abuse contact for 'AS141348' is 'hiroshi.nakatani@bayer.com'

aut-num:        AS141348
as-name:        BAYERHOLDINGLTD-AS-AP
descr:          Bayer Holding Ltd.
country:        JP
org:            ORG-BHL2-AP
admin-c:        BHLA2-AP
tech-c:         BHLA2-AP
abuse-c:        AB1009-AP
mnt-routes:     MAINT-BAYERHOLDINGLTD-JP
mnt-by:         APNIC-HM
mnt-irt:        IRT-BAYERHOLDINGLTD-JP
last-modified:  2020-10-15T06:11:36Z
source:         APNIC

irt:            IRT-BAYERHOLDINGLTD-JP
address:        Bayer Holding Ltd., Information Technology, Business Service Japan, ,, Osaka Osaka 530-0001
e-mail:         hiroshi.nakatani@bayer.com
abuse-mailbox:  hiroshi.nakatani@bayer.com
admin-c:        BHLA2-AP
tech-c:         BHLA2-AP
auth:           # Filtered
remarks:        hiroshi.nakatani@bayer.com was validated on 2026-08-03
mnt-by:         MAINT-BAYERHOLDINGLTD-JP
last-modified:  2026-08-03T00:23:42Z
source:         APNIC

organisation:   ORG-BHL2-AP
org-name:       Bayer Holding Ltd.
org-type:       LIR
country:        JP
address:        28F Breeze Tower, 4-9, Umeda 2-chome, Kita-ku
phone:          +81-6-6133-7435
e-mail:         jyuma.yamamoto@bayer.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:17:29Z
source:         APNIC

role:           ABUSE BAYERHOLDINGLTDJP
country:        ZZ
address:        Bayer Holding Ltd., Information Technology, Business Service Japan, ,, Osaka Osaka 530-0001
phone:          +000000000
e-mail:         hiroshi.nakatani@bayer.com
admin-c:        BHLA2-AP
tech-c:         BHLA2-AP
nic-hdl:        AB1009-AP
remarks:        Generated from irt object IRT-BAYERHOLDINGLTD-JP
remarks:        hiroshi.nakatani@bayer.com was validated on 2026-08-03
abuse-mailbox:  hiroshi.nakatani@bayer.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-08-03T00:24:10Z
source:         APNIC

role:           Bayer Holding Ltd administrator
address:        Bayer Holding Ltd., Information Technology, Business Service Japan, ,, Osaka Osaka 530-0001
country:        JP
phone:          +81-6-6133-7435
fax-no:         +81-6-6133-7435
e-mail:         jyuma.yamamoto@bayer.com
admin-c:        BHLA2-AP
tech-c:         BHLA2-AP
nic-hdl:        BHLA2-AP
mnt-by:         MAINT-BAYERHOLDINGLTD-JP
last-modified:  2018-04-16T00:31:06Z
source:         APNIC

% Information related to 'AS140602 - AS141625'

as-block:       AS140602 - AS141625
descr:          APNIC ASN block
admin-c:        IA55-AP
tech-c:         IH123-AP
mnt-by:         MNT-APJII-ID
mnt-lower:      MNT-APJII-ID
last-modified:  2026-09-17T02:47:47Z
source:         IDNIC

role:           ID-NIC ADMINISTRATORS
address:        Indonesian Network Information Center
address:        ID-NIC
address:        Cyber Building 11th Floor
address:        Jakarta 12710
country:        ID
phone:          +62-21-52960634
fax-no:         +62-21-52960635
e-mail:         hostmaster@idnic.net
admin-c:        IH288-AP
tech-c:         IH288-AP
nic-hdl:        IA55-AP
notify:         hostmaster@idnic.net
mnt-by:         MNT-APJII-ID
last-modified:  2026-02-25T04:06:45Z
source:         IDNIC

role:           ID-NIC HOSTMASTERS
address:        Indonesian Network Information Center
address:        ID-NIC
address:        Cyber Building 11th Floor
address:        Jakarta 12710
country:        ID
phone:          +62-21-52960634
fax-no:         +62-21-52960635
e-mail:         hostmaster@idnic.net
remarks:        spam and abuse report : abuse@apjii.or.id
remarks:        technical and routing : support@apjii.or.id
remarks:        administrative request : admin@apjii.or.id
remarks:        IDNIC hostmasters role object
admin-c:        IH1-AP
tech-c:         IH1-AP
nic-hdl:        IH123-AP
notify:         hostmaster@idnic.net
mnt-by:         MNT-APJII-ID
last-modified:  2024-07-10T05:48:59Z
source:         IDNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-US2)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.apnic.net",
  "as_blocks" : [ {
    "as_block" : "AS140602 - AS141625",
    "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" : "2019-06-13",
    "source" : "APNIC"
  }, {
    "as_block" : "AS140602 - AS141625",
    "description" : [ "APNIC ASN block" ],
    "admin_contacts" : [ "IA55-AP" ],
    "tech_contacts" : [ "IH123-AP" ],
    "mnt_by" : [ "MNT-APJII-ID" ],
    "mnt_lower" : [ "MNT-APJII-ID" ],
    "date_updated" : "2026-09-17",
    "source" : "IDNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS141348",
    "as_name" : "BAYERHOLDINGLTD-AS-AP",
    "description" : [ "Bayer Holding Ltd." ],
    "country" : "JP",
    "organization" : "ORG-BHL2-AP",
    "admin_contacts" : [ "BHLA2-AP" ],
    "tech_contacts" : [ "BHLA2-AP" ],
    "abuse_contacts" : [ "AB1009-AP" ],
    "mnt_irt" : [ "IRT-BAYERHOLDINGLTD-JP" ],
    "mnt_routes" : [ "MAINT-BAYERHOLDINGLTD-JP" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2020-10-15",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-BAYERHOLDINGLTD-JP",
    "address" : [ "Bayer Holding Ltd., Information Technology, Business Service Japan, ,, Osaka Osaka 530-0001" ],
    "city" : "Osaka",
    "zip_code" : "530-0001",
    "email" : [ "hiroshi.nakatani@bayer.com" ],
    "abuse_mailbox" : [ "hiroshi.nakatani@bayer.com" ],
    "admin_contacts" : [ "BHLA2-AP" ],
    "tech_contacts" : [ "BHLA2-AP" ],
    "remarks" : [ "hiroshi.nakatani@bayer.com was validated on 2026-08-03" ],
    "mnt_by" : [ "MAINT-BAYERHOLDINGLTD-JP" ],
    "date_updated" : "2026-08-03",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-BHL2-AP",
    "name" : "Bayer Holding Ltd.",
    "type" : "LIR",
    "address" : [ "28F Breeze Tower, 4-9, Umeda 2-chome, Kita-ku" ],
    "street" : "Umeda",
    "city" : "Kita-ku",
    "country" : [ "JP" ],
    "email" : [ "jyuma.yamamoto@bayer.com" ],
    "phone" : [ "+81-6-6133-7435" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2023-09-05",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "BHLA2-AP",
    "name" : "Bayer Holding Ltd administrator",
    "address" : [ "Bayer Holding Ltd., Information Technology, Business Service Japan, ,, Osaka Osaka 530-0001" ],
    "city" : "Osaka",
    "zip_code" : "530-0001",
    "country" : "JP",
    "email" : [ "jyuma.yamamoto@bayer.com" ],
    "phone" : [ "+81-6-6133-7435" ],
    "fax_no" : [ "+81-6-6133-7435" ],
    "admin_contacts" : [ "BHLA2-AP" ],
    "tech_contacts" : [ "BHLA2-AP" ],
    "mnt_by" : [ "MAINT-BAYERHOLDINGLTD-JP" ],
    "date_updated" : "2018-04-16",
    "source" : "APNIC"
  } ],
  "technical_contacts" : [ {
    "handle" : "BHLA2-AP",
    "name" : "Bayer Holding Ltd administrator",
    "address" : [ "Bayer Holding Ltd., Information Technology, Business Service Japan, ,, Osaka Osaka 530-0001" ],
    "city" : "Osaka",
    "zip_code" : "530-0001",
    "country" : "JP",
    "email" : [ "jyuma.yamamoto@bayer.com" ],
    "phone" : [ "+81-6-6133-7435" ],
    "fax_no" : [ "+81-6-6133-7435" ],
    "admin_contacts" : [ "BHLA2-AP" ],
    "tech_contacts" : [ "BHLA2-AP" ],
    "mnt_by" : [ "MAINT-BAYERHOLDINGLTD-JP" ],
    "date_updated" : "2018-04-16",
    "source" : "APNIC"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AB1009-AP",
    "name" : "ABUSE BAYERHOLDINGLTDJP",
    "address" : [ "Bayer Holding Ltd., Information Technology, Business Service Japan, ,, Osaka Osaka 530-0001" ],
    "city" : "Osaka",
    "zip_code" : "530-0001",
    "country" : "ZZ",
    "email" : [ "hiroshi.nakatani@bayer.com" ],
    "abuse_mailbox" : [ "hiroshi.nakatani@bayer.com" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "BHLA2-AP" ],
    "tech_contacts" : [ "BHLA2-AP" ],
    "remarks" : [ "Generated from irt object IRT-BAYERHOLDINGLTD-JP", "hiroshi.nakatani@bayer.com was validated on 2026-08-03" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2026-08-03",
    "source" : "APNIC"
  } ]
}

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ASN Summary

AS141348 – Bayer Holding Ltd.

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Raw Whois Response

Parsed Whois Response

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