AS148985 ANSYS Japan K.K. 🇯🇵 JP

Announcing 4 prefixes, seen at the RIS collectors.

IPv4 prefixes

1,280 (5 × /24)

IPv6 prefixes

Upstreams

transit providers observed

Peers

settlement-free adjacencies

Downstreams

transit customers observed

Customer cone

ASes reachable through it

Registry and operator data

AS number: AS148985
Name: ANSYS Japan K.K.
Organisation: ANSYS Japan K.K.
Country: 🇯🇵 JP
RIR: APNIC
Allocated: 2021-10-27

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

3 valid (75.0%) 0 invalid (0.0%) 1 no ROA (25.0%)

Whois

Fetched from whois.apnic.net

as-block:       AS148794 - AS149817
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:  2022-03-31T08:59:29Z
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

aut-num:        AS148985
as-name:        ANSYSJAPANKK-AS-AP
descr:          ANSYS Japan K.K.
country:        JP
org:            ORG-AJK2-AP
admin-c:        AJKA1-AP
tech-c:         AJKA1-AP
abuse-c:        AA2452-AP
mnt-lower:      MAINT-ANSYSJAPANKK-JP
mnt-routes:     MAINT-ANSYSJAPANKK-JP
mnt-by:         APNIC-HM
mnt-irt:        IRT-ANSYSJAPANKK-JP
last-modified:  2022-04-13T20:47:49Z
source:         APNIC

irt:            IRT-ANSYSJAPANKK-JP
address:        Nittochi Nishishinjuku Building 18F 6-10-1,, Shinjuku-ku Tokyo 160-0023
e-mail:         primesh.varude@ansys.com
abuse-mailbox:  primesh.varude@ansys.com
admin-c:        AJKA1-AP
tech-c:         AJKA1-AP
auth:           # Filtered
remarks:        primesh.varude@ansys.com was validated on 2026-06-09
mnt-by:         MAINT-ANSYSJAPANKK-JP
last-modified:  2026-06-09T17:36:27Z
source:         APNIC

organisation:   ORG-AJK2-AP
org-name:       ANSYS Japan K.K.
org-type:       LIR
country:        JP
address:        Nittochi Nishishinjuku Building 18F 6-10-1,
phone:          +81-3-5324-7301
e-mail:         nagato.date@ansys.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:18:40Z
source:         APNIC

role:           ABUSE ANSYSJAPANKKJP
country:        ZZ
address:        Nittochi Nishishinjuku Building 18F 6-10-1,, Shinjuku-ku Tokyo 160-0023
phone:          +000000000
e-mail:         primesh.varude@ansys.com
admin-c:        AJKA1-AP
tech-c:         AJKA1-AP
nic-hdl:        AA2452-AP
remarks:        Generated from irt object IRT-ANSYSJAPANKK-JP
remarks:        primesh.varude@ansys.com was validated on 2026-06-09
abuse-mailbox:  primesh.varude@ansys.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-06-09T17:36:31Z
source:         APNIC

role:           ANSYS Japan KK administrator
address:        Nittochi Nishishinjuku Building 18F 6-10-1,, Shinjuku-ku Tokyo 160-0023
country:        JP
phone:          +81-3-5324-7301
e-mail:         primesh.varude@ansys.com
admin-c:        AJKA1-AP
tech-c:         AJKA1-AP
nic-hdl:        AJKA1-AP
mnt-by:         MAINT-ANSYSJAPANKK-JP
last-modified:  2021-10-27T01:30:49Z
source:         APNIC

as-block:       AS148794 - AS149817
descr:          APNIC ASN block
admin-c:        IA55-AP
tech-c:         IH123-AP
mnt-by:         MNT-APJII-ID
mnt-lower:      MNT-APJII-ID
last-modified:  2026-09-22T06:24:43Z
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