AS134827 EY Japan Co., Ltd. 🇯🇵 JP

Announcing 1 prefixes, seen at the RIS collectors.

IPv4 prefixes

256 (1 × /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: AS134827
Name: EY Japan Co., Ltd.
Organisation: EY Japan Co., Ltd.
Country: 🇯🇵 JP
RIR: APNIC
Allocated: 2015-11-23

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

0 valid (0.0%) 0 invalid (0.0%) 1 no ROA (100.0%)

Whois

Fetched from whois.apnic.net

as-block:       AS134557 - AS135580
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:  2014-09-03T01:31:50Z
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:        AS134827
as-name:        EYJAPAN-AS-AP
descr:          EY Japan Co., Ltd.
country:        JP
org:            ORG-EBIC1-AP
admin-c:        EJCL1-AP
tech-c:         EJCL1-AP
abuse-c:        AE539-AP
mnt-lower:      MAINT-EYJAPAN-JP
mnt-routes:     MAINT-EYJAPAN-JP
mnt-by:         APNIC-HM
mnt-irt:        IRT-EYJAPAN-JP
last-modified:  2023-04-15T06:40:11Z
source:         APNIC

irt:            IRT-EYJAPAN-JP
address:        EY Japan Co., Ltd.
address:        Tokyo MidTown-Hibiya Hibiya Mitsui Tower, 1-1-2 Yurakucho
address:        Chiyoda-ku, Tokyo, Japan, 100-0006
e-mail:         Masaru.Tanaka@jp.ey.com
abuse-mailbox:  Masaru.Tanaka@jp.ey.com
admin-c:        EJCL1-AP
tech-c:         EJCL1-AP
auth:           # Filtered
remarks:        tomotaka.yoshida@jp.ey.com is valid
remarks:        masaru.tanaka@jp.ey.com was validated on 2026-09-14
mnt-by:         MAINT-EYJAPAN-JP
last-modified:  2026-09-14T01:11:10Z
source:         APNIC

organisation:   ORG-EBIC1-AP
org-name:       EY Japan Co., Ltd.
org-type:       LIR
country:        JP
address:        15th floor, Tokyo MidTown-Hibiya Mitsui Tower
address:        1-1-2 Yurakucho
address:        Chiyoda-ku
phone:          +81-3-3503-2510
e-mail:         Tomotaka.Yoshida@jp.ey.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:16:45Z
source:         APNIC

role:           ABUSE EYJAPANJP
country:        ZZ
address:        EY Japan Co., Ltd.
address:        Tokyo MidTown-Hibiya Hibiya Mitsui Tower, 1-1-2 Yurakucho
address:        Chiyoda-ku, Tokyo, Japan, 100-0006
phone:          +000000000
e-mail:         Masaru.Tanaka@jp.ey.com
admin-c:        EJCL1-AP
tech-c:         EJCL1-AP
nic-hdl:        AE539-AP
remarks:        Generated from irt object IRT-EYJAPAN-JP
remarks:        masaru.tanaka@jp.ey.com was validated on 2026-09-14
abuse-mailbox:  Masaru.Tanaka@jp.ey.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-09-14T01:11:48Z
source:         APNIC

role:           EY Japan Co Ltd - Administrator
address:        Hibiyakokusai Bldg.4th Floor, 2-2-3, Uchisaiwaicho,
address:        Chiyoda-ku, Tokyo 100-0011, Japan, Tokyo 100-00
country:        JP
phone:          +81-3-3503-2510
fax-no:         +81-3-3503-2510
e-mail:         Tomotaka.Yoshida@jp.ey.com
admin-c:        EJCL1-AP
tech-c:         EJCL1-AP
nic-hdl:        EJCL1-AP
mnt-by:         MAINT-EYJAPAN-JP
last-modified:  2022-12-26T02:45:55Z
source:         APNIC