What is ASN AS134827?

ASN AS134827 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS134827?

AS134827 is listed under EY Japan Co., 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?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS134827 EY Japan Co., Ltd. | IPGeolocation.io

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EY Japan Co., Ltd.

JP 1 Routes

AS Data

AS134827

AS134827 – EY Japan Co., Ltd.

AS Number	134827
AS Name	EY Japan Co., Ltd.
Organization	EY Japan Co., Ltd. (org-ebic1-ap)
Country	JP
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	APNIC
Date Allocated	2015-11-23

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
103.27.254.0/24	AS134827	EY Japan Co., Ltd.	EY Japan Co., Ltd.	256

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 'AS134557 - AS135580'

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

% Information related to 'AS134827'

% Abuse contact for 'AS134827' is 'Masaru.Tanaka@jp.ey.com'

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

% 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" : "AS134557 - AS135580",
    "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" : "2014-09-03",
    "source" : "APNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS134827",
    "as_name" : "EYJAPAN-AS-AP",
    "description" : [ "EY Japan Co., Ltd." ],
    "country" : "JP",
    "organization" : "ORG-EBIC1-AP",
    "admin_contacts" : [ "EJCL1-AP" ],
    "tech_contacts" : [ "EJCL1-AP" ],
    "abuse_contacts" : [ "AE539-AP" ],
    "mnt_irt" : [ "IRT-EYJAPAN-JP" ],
    "mnt_lower" : [ "MAINT-EYJAPAN-JP" ],
    "mnt_routes" : [ "MAINT-EYJAPAN-JP" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2023-04-15",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-EYJAPAN-JP",
    "address" : [ "EY Japan Co., Ltd.", "Tokyo MidTown-Hibiya Hibiya Mitsui Tower, 1-1-2 Yurakucho", "Chiyoda-ku, Tokyo, Japan, 100-0006" ],
    "city" : "Chiyoda-ku",
    "state" : "TOKYO",
    "zip_code" : "100-0006",
    "country" : "JAPAN",
    "email" : [ "Masaru.Tanaka@jp.ey.com" ],
    "abuse_mailbox" : [ "Masaru.Tanaka@jp.ey.com" ],
    "admin_contacts" : [ "EJCL1-AP" ],
    "tech_contacts" : [ "EJCL1-AP" ],
    "remarks" : [ "tomotaka.yoshida@jp.ey.com is valid", "masaru.tanaka@jp.ey.com was validated on 2026-09-14" ],
    "mnt_by" : [ "MAINT-EYJAPAN-JP" ],
    "date_updated" : "2026-09-14",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-EBIC1-AP",
    "name" : "EY Japan Co., Ltd.",
    "type" : "LIR",
    "address" : [ "15th floor, Tokyo MidTown-Hibiya Mitsui Tower", "1-1-2 Yurakucho", "Chiyoda-ku" ],
    "street" : "Yurakucho Chiyoda-ku",
    "country" : [ "JP" ],
    "email" : [ "Tomotaka.Yoshida@jp.ey.com" ],
    "phone" : [ "+81-3-3503-2510" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2023-09-05",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "EJCL1-AP",
    "name" : "EY Japan Co Ltd - Administrator",
    "address" : [ "Hibiyakokusai Bldg.4th Floor, 2-2-3, Uchisaiwaicho,", "Chiyoda-ku, Tokyo 100-0011, Japan, Tokyo 100-00" ],
    "street" : "Floor 2-2-3",
    "city" : "Tokyo",
    "state" : "TOKYO",
    "zip_code" : "100-00",
    "country" : "JP",
    "email" : [ "Tomotaka.Yoshida@jp.ey.com" ],
    "phone" : [ "+81-3-3503-2510" ],
    "fax_no" : [ "+81-3-3503-2510" ],
    "admin_contacts" : [ "EJCL1-AP" ],
    "tech_contacts" : [ "EJCL1-AP" ],
    "mnt_by" : [ "MAINT-EYJAPAN-JP" ],
    "date_updated" : "2022-12-26",
    "source" : "APNIC",
    "addressCountry" : "JAPAN"
  } ],
  "technical_contacts" : [ {
    "handle" : "EJCL1-AP",
    "name" : "EY Japan Co Ltd - Administrator",
    "address" : [ "Hibiyakokusai Bldg.4th Floor, 2-2-3, Uchisaiwaicho,", "Chiyoda-ku, Tokyo 100-0011, Japan, Tokyo 100-00" ],
    "street" : "Floor 2-2-3",
    "city" : "Tokyo",
    "state" : "TOKYO",
    "zip_code" : "100-00",
    "country" : "JP",
    "email" : [ "Tomotaka.Yoshida@jp.ey.com" ],
    "phone" : [ "+81-3-3503-2510" ],
    "fax_no" : [ "+81-3-3503-2510" ],
    "admin_contacts" : [ "EJCL1-AP" ],
    "tech_contacts" : [ "EJCL1-AP" ],
    "mnt_by" : [ "MAINT-EYJAPAN-JP" ],
    "date_updated" : "2022-12-26",
    "source" : "APNIC",
    "addressCountry" : "JAPAN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AE539-AP",
    "name" : "ABUSE EYJAPANJP",
    "address" : [ "EY Japan Co., Ltd.", "Tokyo MidTown-Hibiya Hibiya Mitsui Tower, 1-1-2 Yurakucho", "Chiyoda-ku, Tokyo, Japan, 100-0006" ],
    "city" : "Chiyoda-ku",
    "state" : "TOKYO",
    "zip_code" : "100-0006",
    "country" : "ZZ",
    "email" : [ "Masaru.Tanaka@jp.ey.com" ],
    "abuse_mailbox" : [ "Masaru.Tanaka@jp.ey.com" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "EJCL1-AP" ],
    "tech_contacts" : [ "EJCL1-AP" ],
    "remarks" : [ "Generated from irt object IRT-EYJAPAN-JP", "masaru.tanaka@jp.ey.com was validated on 2026-09-14" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2026-09-14",
    "source" : "APNIC",
    "addressCountry" : "JAPAN"
  } ]
}

Peers

AS Number	Description	Country
AS2516	KDDI CORPORATION	ZZ

Upstreams

AS Number	Description	Country
AS2516	KDDI CORPORATION	ZZ

ASN Lookup Tool

ASN Summary

AS134827 – EY Japan Co., Ltd.

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IP Ranges

Raw Whois Response

Parsed Whois Response

Peers

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