AS24278 - USEN-Corp - USEN CORPORATION, JP

Japan
AS Number
AS24278
AS Name
USEN-Corp
Org Name
USEN CORPORATION
Country / Region
Japan
Registry

apnic

RegDate

Updated

2009-09-29T06:04:16Z

AS24278 Looking Glass
IPv4Prefixes

2

IPv6Prefixes

1

IPv4 NUMs

20,480

IPv6 NUMs(/64)

4,294,967,296

CIDR Description IP Num
118.238.128.0/18
IRR Valid
USEN-Corp USEN CORPORATION 16384
125.63.32.0/20
IRR Valid
USEN-Corp USEN CORPORATION 4096
CIDR Description IP NUMs(prefix /64)
2400:f400::/32
IRR Valid
USEN-Corp-JPNIC-JP-20090807 Japan Network Information Center 4294967296
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 140,800 77,423,378,434 IPv4 IPv4
AS18125 MAFFIN - Ministry of Agriculture, Forestry and Fisheries Research Network, JP Japan 65,536 4,294,967,296 IPv6 IPv6
AS2519 Vectant - ARTERIA Networks Corporation, JP Japan 1,464,832 103,079,215,104 IPv4 IPv4 IPv6 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
AS4777 APNIC-COLO - Asia Pacific Network Information Centre, AU Australia 512 1,073,741,824 IPv4 IPv4
AS6939 HURRICANE - Hurricane Electric LLC, US United States 458,496 283,043,982,606,336 IPv4 IPv4 IPv6 IPv6
AS8220 COLT - COLT Technology Services Group Limited, GB United Kingdom 1,497,088 25,770,590,208 IPv4 IPv4
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20,992 4,294,967,296 IPv4 IPv4
AS35280 F5 - F5 Networks SARL, FR France 55,808 81,604,378,624 IPv4 IPv4
AS59105 HOMENOC - Home NOC Operators Group, JP Japan 2,048 4,294,967,296 IPv4 IPv4
AS2527 So-net - Sony Network Communications Inc., JP Japan 3,867,648 141,733,920,768 IPv4 IPv4 IPv6 IPv6
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 116,992 356,753,080,320 IPv4 IPv4 IPv6 IPv6
AS137207 JUCC-AS-AP - Joint Universities Computer Centre Limited, HK Hong Kong 1,024 4,294,967,296 IPv4 IPv4

Peers at this Exchange Point

Country / Region IX IPv4 IPv6 Port Speed Updated
Japan JPIX TOKYO 210.171.224.186 2001:de8:8::2:4278:1 10 Gbps 2016-03-14 20:31:51

Private Peering Facilities

Country / Region Name City Website Updated

Whois Record

as-block AS23552 - AS24575

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
AS23889 has been transfered to AfriNIC
admin-c
HM20-AP
tech-c
HM20-AP
mnt-by
APNIC-HM
mnt-lower
APNIC-HM
last-modified
2009-09-29T06:04:16Z
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 AS24248 - AS24297

as-block
descr
JPNIC-2Byte-ASBLOCK-AP
for assignment to JPNIC members
country
JP
admin-c
JNIC1-AP
tech-c
JNIC1-AP
remarks
Authoritative information regarding AS Number
assignments made from within this block can be
queried at whois.nic.ad.jp. To only display English output,
add '/e' at the end of command,
e.g. 'whois -h whois.nic.ad.jp xxx/e'.
mnt-by
APNIC-HM
mnt-lower
MAINT-JPNIC
last-modified
2009-11-19T01:11:45Z
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 AS24278

aut-num
as-name
USEN-Corp
descr
USEN CORPORATION
9-8 Shinsen-cho Shibuya-ku, Tokyo
150-0045, Japan
admin-c
JNIC1-AP
tech-c
JNIC1-AP
remarks
Email address for spam or abuse complaints : abuse@usen.com
country
JP
mnt-by
MAINT-JPNIC
mnt-lower
MAINT-JPNIC
mnt-irt
IRT-JPNIC-JP
last-modified
2024-08-14T01:47:37Z
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 AS24278

aut-num
as-name
USEN-NET
descr
USEN CORPORATION
import
export
country
JP
admin-c
JP00031240
tech-c
JP00031240
last-modified
2014-12-04T02:23:06Z
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:       AS23552 - AS24575
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
remarks:        AS23889 has been transfered to AfriNIC
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      APNIC-HM
last-modified:  2009-09-29T06:04:16Z
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:       AS24248 - AS24297
descr:          JPNIC-2Byte-ASBLOCK-AP
descr:          for assignment to JPNIC members
country:        JP
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
remarks:        Authoritative information regarding AS Number
remarks:        assignments made from within this block can be
remarks:        queried at whois.nic.ad.jp. To only display English output,
remarks:        add '/e' at the end of command,
remarks:        e.g. 'whois -h whois.nic.ad.jp xxx/e'.
mnt-by:         APNIC-HM
mnt-lower:      MAINT-JPNIC
last-modified:  2009-11-19T01:11:45Z
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:        AS24278
as-name:        USEN-Corp
descr:          USEN CORPORATION
descr:          9-8 Shinsen-cho Shibuya-ku, Tokyo
descr:          150-0045, Japan
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
remarks:        Email address for spam or abuse complaints : abuse@usen.com
country:        JP
mnt-by:         MAINT-JPNIC
mnt-lower:      MAINT-JPNIC
mnt-irt:        IRT-JPNIC-JP
last-modified:  2024-08-14T01:47:37Z
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:        AS24278
as-name:        USEN-NET
descr:          USEN CORPORATION
import:
export:
country:        JP
admin-c:        JP00031240
tech-c:         JP00031240
last-modified:  2014-12-04T02:23:06Z
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