AS Number
AS151374
AS Name
IX-LAYERS
Org Name
IX-layers, Inc.
Country / Region
Japan
Registry

apnic

RegDate

Updated

2021-10-13T00:52:11Z

AS151374 Looking Glass
IPv4Prefixes

3

IPv6Prefixes

1

IPv4 NUMs

3,328

IPv6 NUMs(/64)

4,294,967,296

CIDR Description IP Num
121.50.48.0/21
IRR InValid
FSWnetworks Foresightwave INC. 2048
202.126.20.0/22
IX-LAYERS IX-layers, Inc. 1024
210.158.180.0/24
IRR InValid
JPNIC-NET-JP Japan Network Information Center 256
CIDR Description IP NUMs(prefix /64)
2400:ac00::/32
IRR InValid
FSW-AS-AP Foresightwave INC. 4294967296
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS2907 SINET-AS - Research Organization of Information and Systems, National Institute of Informatics, JP Japan 8,819,968 8,589,934,595 IPv4 IPv4 IPv6 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 458,496 283,043,982,606,336 IPv4 IPv4 IPv6 IPv6
AS18260 e-catv - EHIME CATV CO.,LTD., JP Japan 78,592 4,294,967,296 IPv4 IPv4

Peers at this Exchange Point

Country / Region IX IPv4 IPv6 Port Speed Updated
Japan JPNAP Osaka - JPNAP Osaka 210.173.184.176 2001:7fa:7:2:0:15:1374:1 10 Gbps 2024-09-27 01:13:43

Private Peering Facilities

Country / Region Name City Website Updated
NTT Kitahama Data Center(Dojima Campus) Osaka https://global.nttsmc.com/ 2024-10-02 08:33:44

Whois Record

as-block AS150842 - AS151865

as-block
descr
APNIC ASN block
remarks
These AS numbers are further assigned by APNIC
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
2021-10-13T00:52:11Z
source
APNIC

role APNIC Hostmaster

role
APNIC Hostmaster
address
PO Box 3646
South Brisbane
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

as-block AS151371 - AS151390

as-block
descr
JPNIC-4Byte-ASBLOCK-AP
country
JP
org
ORG-JNIC1-AP
admin-c
JNIC1-AP
tech-c
JNIC1-AP
remarks
for assignment to JPNIC members
Authoritative information regarding AS Number
assignments made from within this block can also be
queried at whois.nic.ad.jp
mnt-by
APNIC-HM
mnt-lower
MAINT-JPNIC
last-modified
2023-06-05T22:21:33Z
source
APNIC

organisation ORG-JNIC1-AP

organisation
ORG-JNIC1-AP
org-name
Japan Network Information Center
org-type
NIR
country
JP
address
Urbannet-Kanda Bldg 4F
3-6-2 Uchi-Kanda
phone
+81-3-5297-2311
fax-no
+81-3-5297-2312
e-mail
hostmaster@nic.ad.jp
mnt-ref
APNIC-HM
mnt-by
APNIC-HM
last-modified
2023-09-05T01:49:57Z
source
APNIC

role Japan Network Information Center

role
Japan Network Information Center
address
Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda
Chiyoda-ku, Tokyo 101-0047, Japan
country
JP
phone
+81-3-5297-2311
fax-no
+81-3-5297-2312
e-mail
hostmaster@nic.ad.jp
admin-c
JI13-AP
tech-c
JE53-AP
nic-hdl
JNIC1-AP
mnt-by
MAINT-JPNIC
last-modified
2022-01-05T03:04:02Z
source
APNIC

aut-num AS151374

aut-num
as-name
IX-LAYERS
descr
IX-layers, Inc.
302 Research Collaboration Center, Kochi University of Technology, 185 Miyanokuchi, Tosayamada-cho, Kami-shi, Kochi 7820003 Japan
admin-c
JNIC1-AP
tech-c
JNIC1-AP
remarks
Email address for spam or abuse complaints : kayawake@foresightwave.net
country
JP
mnt-by
MAINT-JPNIC
mnt-lower
MAINT-JPNIC
mnt-irt
IRT-JPNIC-JP
mnt-routes
MAINT-JPNIC
last-modified
2024-09-26T07:59:26Z
source
APNIC

irt IRT-JPNIC-JP

irt
IRT-JPNIC-JP
address
Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda
Chiyoda-ku, Tokyo 101-0047, japan
e-mail
hostmaster@nic.ad.jp
abuse-mailbox
hostmaster@nic.ad.jp
phone
+81-3-5297-2311
fax-no
+81-3-5297-2312
admin-c
JNIC1-AP
tech-c
JNIC1-AP
auth
# Filtered
remarks
hostmaster@nic.ad.jp was validated on 2024-11-27
mnt-by
MAINT-JPNIC
last-modified
2025-09-04T01:00:00Z
source
APNIC

role Japan Network Information Center

role
Japan Network Information Center
address
Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda
Chiyoda-ku, Tokyo 101-0047, Japan
country
JP
phone
+81-3-5297-2311
fax-no
+81-3-5297-2312
e-mail
hostmaster@nic.ad.jp
admin-c
JI13-AP
tech-c
JE53-AP
nic-hdl
JNIC1-AP
mnt-by
MAINT-JPNIC
last-modified
2022-01-05T03:04:02Z
source
APNIC

aut-num AS151374

aut-num
as-name
IWK-WORKS
descr
IX-layers, Inc.
import
from AS6939 100 accept ANY
from AS18260 100 accept ANY
export
to AS6939 announce AS151374
to AS18260 announce AS151374
country
JP
admin-c
JP00156961
tech-c
JP00156961
last-modified
2024-09-20T19:38:03Z
remarks
This information has been partially mirrored by APNIC from
JPNIC. To obtain more specific information, please use the
JPNIC WHOIS Gateway at
http://www.nic.ad.jp/en/db/whois/en-gateway.html or
whois.nic.ad.jp for WHOIS client. (The WHOIS client
defaults to Japanese output, use the /e switch for English
output)
source
JPNIC

as-block AS150842 - AS151865

as-block
descr
APNIC ASN block
admin-c
IA55-AP
tech-c
IH123-AP
mnt-by
MNT-APJII-ID
mnt-lower
MNT-APJII-ID
last-modified
2026-09-02T06:46:46Z
source
IDNIC

role ID-NIC ADMINISTRATORS

role
ID-NIC ADMINISTRATORS
address
Indonesian Network Information Center
ID-NIC
Cyber Building 11th Floor
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

role
ID-NIC HOSTMASTERS
address
Indonesian Network Information Center
ID-NIC
Cyber Building 11th Floor
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
technical and routing : support@apjii.or.id
administrative request : admin@apjii.or.id
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

as-block:       AS150842 - AS151865
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:  2021-10-13T00:52:11Z
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


as-block:       AS151371 - AS151390
descr:          JPNIC-4Byte-ASBLOCK-AP
country:        JP
org:            ORG-JNIC1-AP
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
remarks:        for assignment to JPNIC members
remarks:        Authoritative information regarding AS Number
remarks:        assignments made from within this block can also be
remarks:        queried at whois.nic.ad.jp
mnt-by:         APNIC-HM
mnt-lower:      MAINT-JPNIC
last-modified:  2023-06-05T22:21:33Z
source:         APNIC

organisation:   ORG-JNIC1-AP
org-name:       Japan Network Information Center
org-type:       NIR
country:        JP
address:        Urbannet-Kanda Bldg 4F
address:        3-6-2 Uchi-Kanda
phone:          +81-3-5297-2311
fax-no:         +81-3-5297-2312
e-mail:         hostmaster@nic.ad.jp
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T01:49:57Z
source:         APNIC

role:           Japan Network Information Center
address:        Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda
address:        Chiyoda-ku, Tokyo 101-0047, Japan
country:        JP
phone:          +81-3-5297-2311
fax-no:         +81-3-5297-2312
e-mail:         hostmaster@nic.ad.jp
admin-c:        JI13-AP
tech-c:         JE53-AP
nic-hdl:        JNIC1-AP
mnt-by:         MAINT-JPNIC
last-modified:  2022-01-05T03:04:02Z
source:         APNIC



aut-num:        AS151374
as-name:        IX-LAYERS
descr:          IX-layers, Inc.
descr:          302 Research Collaboration Center, Kochi University of Technology, 185 Miyanokuchi, Tosayamada-cho, Kami-shi, Kochi 7820003 Japan
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
remarks:        Email address for spam or abuse complaints : kayawake@foresightwave.net
country:        JP
mnt-by:         MAINT-JPNIC
mnt-lower:      MAINT-JPNIC
mnt-irt:        IRT-JPNIC-JP
mnt-routes:     MAINT-JPNIC
last-modified:  2024-09-26T07:59:26Z
source:         APNIC

irt:            IRT-JPNIC-JP
address:        Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda
address:        Chiyoda-ku, Tokyo 101-0047, japan
e-mail:         hostmaster@nic.ad.jp
abuse-mailbox:  hostmaster@nic.ad.jp
phone:          +81-3-5297-2311
fax-no:         +81-3-5297-2312
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
auth:           # Filtered
remarks:        hostmaster@nic.ad.jp was validated on 2024-11-27
mnt-by:         MAINT-JPNIC
last-modified:  2025-09-04T01:00:00Z
source:         APNIC

role:           Japan Network Information Center
address:        Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda
address:        Chiyoda-ku, Tokyo 101-0047, Japan
country:        JP
phone:          +81-3-5297-2311
fax-no:         +81-3-5297-2312
e-mail:         hostmaster@nic.ad.jp
admin-c:        JI13-AP
tech-c:         JE53-AP
nic-hdl:        JNIC1-AP
mnt-by:         MAINT-JPNIC
last-modified:  2022-01-05T03:04:02Z
source:         APNIC


aut-num:        AS151374
as-name:        IWK-WORKS
descr:          IX-layers, Inc.
import:         from AS6939 100 accept ANY
import:         from AS18260 100 accept ANY
export:         to AS6939 announce AS151374
export:         to AS18260 announce AS151374
country:        JP
admin-c:        JP00156961
tech-c:         JP00156961
last-modified:  2024-09-20T19:38:03Z
remarks:        This information has been partially mirrored by APNIC from
remarks:        JPNIC. To obtain more specific information, please use the
remarks:        JPNIC WHOIS Gateway at
remarks:        http://www.nic.ad.jp/en/db/whois/en-gateway.html or
remarks:        whois.nic.ad.jp for WHOIS client. (The WHOIS client
remarks:        defaults to Japanese output, use the /e switch for English
remarks:        output)
source:         JPNIC


as-block:       AS150842 - AS151865
descr:          APNIC ASN block
admin-c:        IA55-AP
tech-c:         IH123-AP
mnt-by:         MNT-APJII-ID
mnt-lower:      MNT-APJII-ID
last-modified:  2026-09-02T06:46:46Z
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