AS23780 CTB Media Inc.

Company Website:

https://www.ctb.jp

Country of Origin:

Japan

Internet Exchanges: 10

Prefixes Originated (all): 6
Prefixes Originated (v4): 5
Prefixes Originated (v6): 1

Prefixes Announced (all): 6
Prefixes Announced (v4): 5
Prefixes Announced (v6): 1

RPKI Originated Valid (all): 0
RPKI Originated Valid (v4): 0
RPKI Originated Valid (v6): 0

BGP Peers Observed (all): 31
BGP Peers Observed (v4): 26
BGP Peers Observed (v6): 21

IPs Originated (v4): 16,384
AS Paths Observed (v4): 453
AS Paths Observed (v6): 446

Average AS Path Length (all): 4.209
Average AS Path Length (v4): 3.985
Average AS Path Length (v6): 4.437

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AS23780 IPv4 Peers

ASN	Name
AS2497	Internet Initiative Japan Inc.
AS6939	Hurricane Electric LLC
AS17676	SoftBank Corp.
AS2519	ARTERIA Networks Corporation
AS20485	Joint Stock Company TransTeleCom
AS150369	TelHi Corporation

AS23780 IPv6 Peers

ASN	Name
AS2519	ARTERIA Networks Corporation
AS2497	Internet Initiative Japan Inc.
AS17676	SoftBank Corp.
AS137409	GSL Networks Pty LTD

AS23780 IPv4 Peer Count

AS23780 IPv6 Peer Count

AS23780 IPv4 Prefixes Announced

AS23780 IPv6 Prefixes Announced

AS23780 IPv4 Prefixes Originated

AS23780 IPv6 Prefixes Originated

AS23780 IPv4 Route Propagation

AS23780 IPv6 Route Propagation

Prefix	Description	Visibility
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Prefix	Description
49.128.24.0/21	CTB Media Inc.
49.128.96.0/22
203.201.52.0/22	CTB Media Inc.
211.15.112.0/20
211.19.224.0/19

Prefix	Description	Visibility
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Prefix	Description
2402:6c80::/32

Bogon Prefixes
Prefix	Type	Status

Rank	Description	IPv6	Peer
1	Internet Initiative Japan Inc.	X	AS2497
2	Hurricane Electric LLC		AS6939
3	SoftBank Corp.	X	AS17676
4	ARTERIA Networks Corporation	X	AS2519
5	Joint Stock Company TransTeleCom		AS20485
6	TelHi Corporation	X	AS150369
7	Zain Omantel International FZ-LLC		AS8529
8	Wikimedia Foundation Inc.	X	AS14907
9	RETN Limited	X	AS9002
10	Datacamp Limited		AS60068
11	Unitas Global	X	AS1828
12	GSL Networks Pty LTD	X	AS137409
13	F5 Networks SARL	X	AS35280
14	Infinivan Incorporated		AS135607
15	MyRepublic Ltd.		AS132132
16	Sri Lanka Telecom PLC, GLobal Peering	X	AS45489
17	Superloop		AS38195
18	PJSC "Vimpelcom"		AS3216
19	FPT Telecom Company		AS18403
20	Etisalat - Emirates Telecommunications Corporation		AS8966
21	SG.GS	X	AS24482
22	PT Telekomunikasi Indonesia	X	AS7713
23	Converge ICT Solutions Inc.	X	AS17639
24	i3D.net B.V	X	AS49544
25	G-Core Labs S.A.	X	AS199524
26	WIDE Project	X	AS2500

Rank	Description	IPv4	Peer
1	ARTERIA Networks Corporation	X	AS2519
2	Internet Initiative Japan Inc.	X	AS2497
3	SoftBank Corp.	X	AS17676
4	GSL Networks Pty LTD	X	AS137409
5	SG.GS	X	AS24482
6	Eons Data Communications Limited		AS138997
7	TelHi Corporation	X	AS150369
8	Orange Business AS for Asia		AS4862
9	RETN Limited	X	AS9002
10	Wikimedia Foundation Inc.	X	AS14907
11	UIH / BB Connect		AS45796
12	Sri Lanka Telecom PLC, GLobal Peering	X	AS45489
13	F5 Networks SARL	X	AS35280
14	WIDE Project	X	AS2500
15	Converge ICT Solutions Inc.	X	AS17639
16	HGC Global Communications Limited		AS9304
17	Unitas Global	X	AS1828
18	PT Telekomunikasi Indonesia	X	AS7713
19	i3D.net B.V	X	AS49544
20	G-Core Labs S.A.	X	AS199524
21	Reseaux IP Europeens Network Coordination Centre (RIPE NCC)		AS25152

[ 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'.      ]

Autonomous System Information:
a. [AS Number]                  23780
b. [AS Name]                    CTB
g. [Organization]               CTB Media Inc.
m. [Administrative Contact]     TN1078JP
n. [Technical Contact]          TN1078JP
q. [Abuse]                      
o. [IMPORT]                     
p. [EXPORT]                     
[Assigned Date]                 2003/08/13
[Last Update]                   2003/08/13 13:02:03(JST)

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 : ******** country: JP mnt-by: MAINT-JPNIC mnt-lower: MAINT-JPNIC mnt-irt: IRT-JPNIC-JP last-modified: 2024-08-16T02:20:32Z source: APNIC

JPIRR

aut-num: AS23780 as-name: CTB descr: CTB Media Inc. admin-c: HH35530JP tech-c: HH35530JP notify: nw-team@ctb.ne.jp mnt-by: MAINT-AS23780 changed: hayata@t-ctb.co.jp 20240601 source: JPIRR

RADB

aut-num: AS23780 as-name: CTB_Media descr: CTB Media Inc. admin-c: Nogami Tetsunori tech-c: Nogami Tetsunori notify: noc@noc.kddnet.ad.jp mnt-by: MAINT-AS2516 changed: noc@noc.kddnet.ad.jp 20030910 source: RADB last-modified: 2023-11-13T15:39:33Z

Exchange	CC	City	IPv4	IPv6
BBIX Amsterdam	NL	Amsterdam	101.203.78.28	2403:c780:7200:b078:0:2:3780:1
BBIX Fukuoka	JP	Fukuoka	101.203.104.11	2001:de8:c:4:0:2:3780:1
BBIX Hong Kong	HK	Hong Kong	103.203.158.124	2403:c780:b800:bb00:0:2:3780:1
BBIX Los Angeles	US	West Coast	101.203.74.56	2403:c780:7200:b074:0:2:3780:1
BBIX Osaka	JP	Osaka	218.100.9.103 218.100.9.136	2001:de8:c:2:0:2:3780:1 2001:de8:c:2:0:2:3780:2
BBIX Singapore	SG	Singapore	103.231.152.124	2001:df5:b800:bb00:0:2:3780:1
BBIX Tokyo	JP	Tokyo	101.203.88.100	2001:de8:c::2:3780:1
JPNAP Fukuoka	JP	Fukuoka	210.173.188.13	2001:7fa:7:4:0:2:3780:1
JPNAP Osaka	JP	Osaka	210.173.184.13	2001:7fa:7:2:0:2:3780:1
JPNAP Tokyo	JP	Tokyo	210.173.176.193	2001:7fa:7:1:0:2:3780:1

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