AS23780 - CTB - CTB Media Inc., JP

Japan
AS Number
AS23780
AS Name
CTB
Org Name
CTB Media Inc.
Country
Japan
Registry

apnic

RegDate

N/A

Updated

2024-08-16T02:20:32Z

AS23780 Looking Glass
IPv4Prefixes

5

IPv6Prefixes

1

IPv4 NUMs

16,384

IPv6 NUMs(/64)

4,294,967,296

16,384 IPv4 Addresses
CIDR Description IP Num
49.128.24.0/21 CTB CTB Media Inc. 2048
49.128.96.0/22 CTB CTB Media Inc. 1024
203.201.52.0/22 CTB CTB Media Inc. 1024
211.15.112.0/20 JPNIC-NET-JP Japan Network Information Center 4096
211.19.224.0/19 JPNIC-NET-JP Japan Network Information Center 8192
CIDR Description IP NUMs(prefix /64)
2402:6c80::/32 CTB-JPNIC-JP-20150601 Japan Network Information Center 4294967296
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS2497 IIJ - Internet Initiative Japan Inc., JP Japan 3,794,432 17,716,871,168 IPv4 IPv4 IPv6 IPv6
AS2500 WIDE-BB - WIDE Project, JP Japan 65,536 4,294,967,296 IPv4 IPv4
AS2519 Vectant - ARTERIA Networks Corporation, JP Japan 1,491,712 103,079,215,104 IPv4 IPv4 IPv6 IPv6
AS9002 RETN-AS - RETN Limited, GB United Kingdom 28,672 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS17676 ULTINA - SoftBank Mobile Corp., JP Japan 36,434,176 18,695,992,639,488 IPv4 IPv4 IPv6 IPv6
AS35280 F5 - F5 Networks SARL, FR France 52,224 81,604,378,624 IPv4 IPv4
AS199524 GCORE - G-Core Labs S.A., LU Luxembourg 98,816 110,428,160 IPv4 IPv4
AS6939 HURRICANE - Hurricane Electric LLC, US United States 521,216 282,631,665,614,848 IPv4 IPv4
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 94,976 354,605,596,672 IPv4 IPv4
AS59105 HOMENOC - Home NOC Operators Group, JP Japan 2,048 4,294,967,296 IPv4 IPv4
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 70,144 128,925,499,392 IPv4 IPv4

Peers at this Exchange Point

Country/Region IX IPv4 IPv6 Port Speed Updated
Japan JPNAP Tokyo - JPNAP Tokyo 210.173.176.193 2001:7fa:7:1:0:2:3780:1 10 Gbps 2017-06-15 04:56:29
Japan BBIX Tokyo - BroadBand Internet eXchange Tokyo 101.203.88.100 2001:de8:c::2:3780:1 10 Gbps 2022-06-21 02:31:21
Japan JPNAP Osaka - JPNAP Osaka 210.173.184.13 2001:7fa:7:2:0:2:3780:1 10 Gbps 2021-03-31 08:59:44
Japan BBIX Osaka - BroadBand Internet eXchange Osaka 218.100.9.103 2001:de8:c:2:0:2:3780:1 10 Gbps 2020-09-01 12:24:18
Japan JPNAP Fukuoka - JPNAP Fukuoka 210.173.188.13 2001:7fa:7:4:0:2:3780:1 10 Gbps 2022-01-06 05:55:31
Japan BBIX Osaka - BroadBand Internet eXchange Osaka 218.100.9.136 2001:de8:c:2:0:2:3780:2 10 Gbps 2022-02-22 05:31:23
Japan BBIX Fukuoka - BroadBand Internet eXchange Fukuoka 101.203.104.11 2001:de8:c:4:0:2:3780:1 10 Gbps 2023-09-04 06:32:29
Netherlands BBIX Amsterdam - BroadBand Internet eXchange Amsterdam 101.203.78.28 2403:c780:7200:b078:0:2:3780:1 300 Mbps 2023-09-04 06:29:15
Hong Kong BBIX Hong Kong - BroadBand Internet eXchange Hong Kong 103.203.158.124 2403:c780:b800:bb00:0:2:3780:1 300 Mbps 2023-09-04 06:29:41
Singapore BBIX Singapore - BroadBand Internet eXchange Singapore 103.231.152.124 2001:df5:b800:bb00:0:2:3780:1 300 Mbps 2023-09-04 06:30:04
United States BBIX US-West - BroadBand Internet eXchange US-West 101.203.74.56 2403:c780:7200:b074:0:2:3780:1 300 Mbps 2024-03-09 07:26:56

Private Peering Facilities

Country/Region Name City Website Updated
NTT DATA Dojima (building #4) Osaka http://www.nttdata.com/ 2019-07-26 02:43:00
QTnet Fukuoka Data Center 3(QD3) Fukuoka https://www.qtpro.jp/dc/qtdc/qd3/ 2022-01-06 05:55:46 
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:        6 Cordelia Street
address:        South Brisbane
address:        QLD 4101
country:        AU
phone:          +61 7 3858 3100
fax-no:         +61 7 3858 3199
e-mail:         [email protected]
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
notify:         [email protected]
mnt-by:         MAINT-APNIC-AP
last-modified:  2013-10-23T04:06:51Z
source:         APNIC


as-block:       AS23773 - AS23836
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:         [email protected]
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:        AS23780
as-name:        CTB
descr:          CTB Media Inc.
descr:          7-1 horita, beppu-shi
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
remarks:        Email address for spam or abuse complaints : [email protected]
country:        JP
mnt-by:         MAINT-JPNIC
mnt-lower:      MAINT-JPNIC
mnt-irt:        IRT-JPNIC-JP
last-modified:  2024-08-16T02:20:32Z
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:         [email protected]
abuse-mailbox:  [email protected]
phone:          +81-3-5297-2311
fax-no:         +81-3-5297-2312
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
auth:           # Filtered
remarks:        [email protected] was validated on 2024-11-27
mnt-by:         MAINT-JPNIC
last-modified:  2024-11-27T01:47:27Z
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:         [email protected]
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:        AS23780
as-name:        CTB
descr:          CTB Media Inc.
import:
export:
country:        JP
admin-c:        TN1078JP
tech-c:         TN1078JP
last-modified:  2003-08-13T22:02:03Z
source:         JPNIC