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

apnic

RegDate

N/A

Updated

2003-08-13T22:02:03Z

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
AS6939 HURRICANE - Hurricane Electric LLC, US United States 518,656 282,631,665,680,384 IPv4 IPv4
AS55818 MCIX-AS-AP - MC-IX Matrix Internet Exchange RS-1, ID Indonesia 14,848 131,072 IPv6 IPv6
AS2497 IIJ - Internet Initiative Japan Inc., JP Japan 4,000,256 17,716,871,168 IPv4 IPv4 IPv6 IPv6
AS3605 ERX-KUENTOS-AS - Kuentos Communications, Inc., GU Guam 93,440 4,294,967,296 IPv4 IPv4
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 101,632 341,184,020,480 IPv4 IPv4
AS3216 SOVAM-AS - PJSC "Vimpelcom", RU Russian Federation 1,106,438 4,295,098,368 IPv4 IPv4
AS8529 OMANTEL-AS - Zain Omantel International FZ-LLC, AE United Arab Emirates 15,360 0 IPv4 IPv4
AS9002 RETN-AS - RETN Limited, GB United Kingdom 34,048 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS17676 GIGAINFRA - SoftBank Corp., JP Japan 43,647,488 18,695,992,639,488 IPv4 IPv4 IPv6 IPv6
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 54,528 141,751,156,736 IPv4 IPv4
AS1828 UNITAS - Unitas Global LLC, US United States 231,680 47,244,640,256 IPv4 IPv4 IPv6 IPv6
AS2500 WIDE-BB - WIDE Project, JP Japan 196,608 4,294,967,296 IPv4 IPv4
AS151420 RAPIDFIREY-AS-AP - Rapid-Fire-y, JP Japan 512 1,114,112 IPv4 IPv4
AS199524 GCORE - G-Core Labs S.A., LU Luxembourg 87,552 107,937,792 IPv4 IPv4
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 21,504 4,294,967,296 IPv4 IPv4
AS35280 F5 - F5 Networks SARL, FR France 50,432 81,604,378,624 IPv4 IPv4
AS4862 EQUANT-ASIA - Equant Inc, HK Hong Kong 0 0 IPv6 IPv6
AS2519 VECTANT - ARTERIA Networks Corporation, JP Japan 1,625,088 103,079,215,104 IPv4 IPv4 IPv6 IPv6
AS8966 Etisalat-AS - EMIRATES TELECOMMUNICATIONS GROUP COMPANY (ETISALAT GROUP) PJSC, AE United Arab Emirates 16,384 4,295,426,048 IPv4 IPv4

Peers at this Exchange Point

Country/Region IX IPv4 IPv6 Port Speed Updated
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
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
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
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
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 JPNAP Tokyo - JPNAP Tokyo 210.173.176.193 2001:7fa:7:1:0:2:3780:1 10 Gbps 2017-06-15 04:56:29
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
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 BBIX Tokyo - BroadBand Internet eXchange Tokyo 101.203.88.100 2001:de8:c::2:3780:1 10 Gbps 2022-06-21 02:31:21
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

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
IP Address Domain NUMs Domains
211.15.112.69 2 enterprise.ctb.ne.jp
211.15.112.70 1 kitty-hawk.ctb.ne.jp
211.15.112.86 2 supportweb.ctb.ne.jp
211.15.116.51 5 beppu-ja.org
211.15.117.17 1 beta.ctb.ne.jp
211.15.117.20 2 mail.ctb.jp
211.15.117.33 1 community.ctb.ne.jp
211.15.117.34 1 streaming.ctb.ne.jp
211.15.117.38 1 weblive.ctb.ne.jp
211.15.117.39 1 weblive02.ctb.ne.jp
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.
import:
export:
country:        JP
admin-c:        TN1078JP
tech-c:         TN1078JP
last-modified:  2003-08-13T22:02:03Z
source:         JPNIC