What is ASN AS142438?

ASN AS142438 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS142438?

AS142438 is listed under Kasumi Networks Inc.

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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AS142438 Kasumi Networks Inc | IPGeolocation.io

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Kasumi Networks Inc

JP 5 Routes

AS Data

AS142438

AS142438 – Kasumi Networks Inc

AS Number	142438
AS Name	Kasumi Networks Inc
Organization	Kasumi Networks Inc (org-kni3-ap)
Country	JP
Number of IPv4 Routes	0
Number of IPv6 Routes	5
ASN type	ISP
Registry	APNIC
Date Allocated	2021-06-18

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2a0e:b107:da0::/44	AS142438	Kasumi Networks Inc	Kasumi@TB	~19×10²⁴
2406:840:fef8::/48	AS142438	Kasumi Networks Inc	zxinc	~1×10²⁴
2406:840:8100::/40	AS142438	Kasumi Networks Inc	test network	~309×10²⁴
2a05:1087::/32	AS142438	Kasumi Networks Inc	Kasumi@FH	~79×10²⁷
2a0e:b107:14a0::/44	AS142438	Kasumi Networks Inc	Kasumi@TB	~19×10²⁴

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 'AS141626 - AS142649'

as-block:       AS141626 - AS142649
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:  2020-10-21T04:09:48Z
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 'AS142438'

% Abuse contact for 'AS142438' is 'admin@0x.mk'

aut-num:        AS142438
as-name:        KSMNW-AS-AP
descr:          Kasumi Networks Inc
descr:          1750 Prairie City Rd, Folsom, CA, USA
country:        JP
org:            ORG-KNI3-AP
sponsoring-org: ORG-NDIT1-AP
admin-c:        TK793-AP
tech-c:         TK793-AP
abuse-c:        AK1344-AP
mnt-lower:      MAINT-NBDHM-CN
mnt-routes:     MAINT-NBDHM-CN
mnt-by:         APNIC-HM
mnt-irt:        IRT-KSMNW-JP
last-modified:  2023-11-07T06:40:57Z
source:         APNIC

irt:            IRT-KSMNW-JP
address:        1750 Prairie City Rd, Folsom, CA, USA
e-mail:         admin@0x.mk
abuse-mailbox:  admin@0x.mk
admin-c:        TK793-AP
tech-c:         TK793-AP
auth:           # Filtered
remarks:        admin@0x.mk was validated on 2026-08-04
mnt-by:         MAINT-NBDHM-CN
mnt-by:         MAINT-KSMNW-JP
last-modified:  2026-08-04T16:06:26Z
source:         APNIC

organisation:   ORG-KNI3-AP
org-name:       Kasumi Networks Inc
org-type:       OTHER
address:        1750 Prairie City Rd, Folsom, CA, USA
country:        JP
phone:          +1-262-2903030
e-mail:         admin@0x.mk
admin-c:        TK793-AP
tech-c:         TK793-AP
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T04:06:54Z
source:         APNIC

role:           ABUSE KSMNWJP
country:        ZZ
address:        1750 Prairie City Rd, Folsom, CA, USA
phone:          +000000000
e-mail:         admin@0x.mk
admin-c:        TK793-AP
tech-c:         TK793-AP
nic-hdl:        AK1344-AP
remarks:        Generated from irt object IRT-KSMNW-JP
remarks:        admin@0x.mk was validated on 2026-08-04
abuse-mailbox:  admin@0x.mk
mnt-by:         APNIC-ABUSE
last-modified:  2026-08-04T16:06:41Z
source:         APNIC

person:         Toyama Kasumi
address:        1750 Prairie City Rd, Folsom, CA, USA
country:        JP
phone:          +1-262-2903030
e-mail:         admin@0x.mk
nic-hdl:        TK793-AP
mnt-by:         MAINT-NBDHM-CN
mnt-by:         MAINT-KSMNW-JP
last-modified:  2021-06-18T10:54:48Z
source:         APNIC

% Information related to 'AS141626 - AS142649'

as-block:       AS141626 - AS142649
descr:          APNIC ASN block
admin-c:        IA55-AP
tech-c:         IH123-AP
mnt-by:         MNT-APJII-ID
mnt-lower:      MNT-APJII-ID
last-modified:  2026-09-02T04:13:51Z
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" : "AS141626 - AS142649",
    "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" : "2020-10-21",
    "source" : "APNIC"
  }, {
    "as_block" : "AS141626 - AS142649",
    "description" : [ "APNIC ASN block" ],
    "admin_contacts" : [ "IA55-AP" ],
    "tech_contacts" : [ "IH123-AP" ],
    "mnt_by" : [ "MNT-APJII-ID" ],
    "mnt_lower" : [ "MNT-APJII-ID" ],
    "date_updated" : "2026-09-02",
    "source" : "IDNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS142438",
    "as_name" : "KSMNW-AS-AP",
    "description" : [ "Kasumi Networks Inc", "1750 Prairie City Rd, Folsom, CA, USA" ],
    "country" : "JP",
    "organization" : "ORG-KNI3-AP",
    "sponsoring_organization" : "ORG-NDIT1-AP",
    "admin_contacts" : [ "TK793-AP" ],
    "tech_contacts" : [ "TK793-AP" ],
    "abuse_contacts" : [ "AK1344-AP" ],
    "mnt_irt" : [ "IRT-KSMNW-JP" ],
    "mnt_lower" : [ "MAINT-NBDHM-CN" ],
    "mnt_routes" : [ "MAINT-NBDHM-CN" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2023-11-07",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-KSMNW-JP",
    "address" : [ "1750 Prairie City Rd, Folsom, CA, USA" ],
    "street" : "Prairie City Rd",
    "city" : "Folsom",
    "state" : "CA",
    "country" : "USA",
    "email" : [ "admin@0x.mk" ],
    "abuse_mailbox" : [ "admin@0x.mk" ],
    "admin_contacts" : [ "TK793-AP" ],
    "tech_contacts" : [ "TK793-AP" ],
    "remarks" : [ "admin@0x.mk was validated on 2026-08-04" ],
    "mnt_by" : [ "MAINT-NBDHM-CN", "MAINT-KSMNW-JP" ],
    "date_updated" : "2026-08-04",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-KNI3-AP",
    "name" : "Kasumi Networks Inc",
    "type" : "OTHER",
    "address" : [ "1750 Prairie City Rd, Folsom, CA, USA" ],
    "street" : "Prairie City Rd",
    "city" : "Folsom",
    "state" : "CA",
    "country" : [ "JP" ],
    "email" : [ "admin@0x.mk" ],
    "phone" : [ "+1-262-2903030" ],
    "admin_contacts" : [ "TK793-AP" ],
    "tech_contacts" : [ "TK793-AP" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2023-09-05",
    "source" : "APNIC",
    "addressCountry" : "USA"
  },
  "administrative_contacts" : [ {
    "handle" : "TK793-AP",
    "name" : "Toyama Kasumi",
    "address" : [ "1750 Prairie City Rd, Folsom, CA, USA" ],
    "street" : "Prairie City Rd",
    "city" : "Folsom",
    "state" : "CA",
    "country" : "JP",
    "email" : [ "admin@0x.mk" ],
    "phone" : [ "+1-262-2903030" ],
    "mnt_by" : [ "MAINT-NBDHM-CN", "MAINT-KSMNW-JP" ],
    "date_updated" : "2021-06-18",
    "source" : "APNIC",
    "addressCountry" : "USA"
  } ],
  "technical_contacts" : [ {
    "handle" : "TK793-AP",
    "name" : "Toyama Kasumi",
    "address" : [ "1750 Prairie City Rd, Folsom, CA, USA" ],
    "street" : "Prairie City Rd",
    "city" : "Folsom",
    "state" : "CA",
    "country" : "JP",
    "email" : [ "admin@0x.mk" ],
    "phone" : [ "+1-262-2903030" ],
    "mnt_by" : [ "MAINT-NBDHM-CN", "MAINT-KSMNW-JP" ],
    "date_updated" : "2021-06-18",
    "source" : "APNIC",
    "addressCountry" : "USA"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AK1344-AP",
    "name" : "ABUSE KSMNWJP",
    "address" : [ "1750 Prairie City Rd, Folsom, CA, USA" ],
    "street" : "Prairie City Rd",
    "city" : "Folsom",
    "state" : "CA",
    "country" : "ZZ",
    "email" : [ "admin@0x.mk" ],
    "abuse_mailbox" : [ "admin@0x.mk" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "TK793-AP" ],
    "tech_contacts" : [ "TK793-AP" ],
    "remarks" : [ "Generated from irt object IRT-KSMNW-JP", "admin@0x.mk was validated on 2026-08-04" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2026-08-04",
    "source" : "APNIC",
    "addressCountry" : "USA"
  } ]
}

Peers

AS Number	Description	Country
AS139317	Ningbo Dahuamao Information Technology Co Ltd	CN
AS52025	ParadoxNetworks Limited	GB
AS399888	WireCat LLC	US
AS20473	The Constant Company, LLC	US

Upstreams

AS Number	Description	Country
AS139317	Ningbo Dahuamao Information Technology Co Ltd	CN
AS399888	WireCat LLC	US
AS20473	The Constant Company, LLC	US

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ASN Summary

AS142438 – Kasumi Networks Inc

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IP Ranges

Raw Whois Response

Parsed Whois Response

Peers

Upstreams

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