AS134351 Leaseweb Japan K.K. 🇯🇵 JP

Announcing 53 prefixes, seen at the RIS collectors.

IPv4 prefixes

21,248 (83 × /24)

IPv6 prefixes

1 × /32

Upstreams

transit providers observed

Peers

settlement-free adjacencies

Downstreams

transit customers observed

Customer cone

ASes reachable through it

Registry and operator data

AS number: AS134351
Name: Leaseweb Japan K.K.
Organisation: Leaseweb Japan
Country: 🇯🇵 JP
RIR: APNIC
Allocated: 2020-03-13
Scope: Not Disclosed
Peering policy: Selective
IRR as-set: AS134351
Website: https://www.leaseweb.com/
Looking glass: https://lg.leasewebstatus.com/
PeeringDB: net/36001

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

53 valid (100.0%) 0 invalid (0.0%) 0 no ROA (0.0%)

Whois

Fetched from whois.apnic.net

as-block:       AS133632 - AS134556
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:  2014-09-03T01:31:49Z
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:        AS134351
as-name:        LEASEWEB-AS-AP
descr:          Leaseweb Japan K.K.
country:        JP
org:            ORG-LJK1-AP
admin-c:        LJKA1-AP
tech-c:         LJKA1-AP
abuse-c:        AL1601-AP
mnt-lower:      MAINT-LEASEWEB-JP
mnt-routes:     MAINT-LEASEWEB-JP
mnt-by:         APNIC-HM
mnt-irt:        IRT-LEASEWEB-JP
last-modified:  2020-10-14T10:04:02Z
source:         APNIC

irt:            IRT-LEASEWEB-JP
address:        201 Chambre de Nishi Azabu,, 4-14-14, Nishiazabu, Minato Ku Tokyo-To 106-0031
e-mail:         abuse@jp.leaseweb.com
abuse-mailbox:  abuse@jp.leaseweb.com
admin-c:        LJKA1-AP
tech-c:         LJKA1-AP
auth:           # Filtered
remarks:        abuse@jp.leaseweb.com was validated on 2026-07-21
mnt-by:         MAINT-LEASEWEB-JP
last-modified:  2026-10-07T11:22:38Z
source:         APNIC

organisation:   ORG-LJK1-AP
org-name:       Leaseweb Japan K.K.
org-type:       LIR
country:        JP
address:        201 Chambre de Nishi Azabu,
address:        4-14-14, Nishiazabu
phone:          +31(0)20-3165168
e-mail:         noc@network.leaseweb.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:18:07Z
source:         APNIC

role:           ABUSE LEASEWEBJP
country:        ZZ
address:        201 Chambre de Nishi Azabu,, 4-14-14, Nishiazabu, Minato Ku Tokyo-To 106-0031
phone:          +000000000
e-mail:         abuse@jp.leaseweb.com
admin-c:        LJKA1-AP
tech-c:         LJKA1-AP
nic-hdl:        AL1601-AP
remarks:        Generated from irt object IRT-LEASEWEB-JP
remarks:        abuse@jp.leaseweb.com was validated on 2026-07-21
abuse-mailbox:  abuse@jp.leaseweb.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-07-21T13:25:30Z
source:         APNIC

role:           Leaseweb Japan KK administrator
address:        201 Chambre de Nishi Azabu,, 4-14-14, Nishiazabu, Minato Ku Tokyo-To 106-0031
country:        JP
phone:          +31(0)20-3165168
e-mail:         abuse@jp.leaseweb.com
admin-c:        LJKA1-AP
tech-c:         LJKA1-AP
nic-hdl:        LJKA1-AP
mnt-by:         MAINT-LEASEWEB-JP
last-modified:  2020-03-13T00:37:25Z
source:         APNIC