AS23780 CTB Media Inc.

Company Website:

https://www.ctb.jp

Looking Glass:

https://bgp.he.net/lg/23780

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): 5
RPKI Originated Valid (v4): 5
RPKI Originated Valid (v6): 0

BGP Peers Observed (all): 42
BGP Peers Observed (v4): 33
BGP Peers Observed (v6): 29

IPs Originated (v4): 16,384
AS Paths Observed (v4): 725
AS Paths Observed (v6): 671

Average AS Path Length (all): 4.438
Average AS Path Length (v4): 4.208
Average AS Path Length (v6): 4.686

AS23780 IPv4 Peers

ASN	Name
AS2497	Internet Initiative Japan Inc.
AS2519	ARTERIA Networks Corporation
AS6939	Hurricane Electric LLC
AS17676	SoftBank Corp.
AS137409	GSL Networks Pty LTD
AS8966	Etisalat - Emirates Telecommunications Corporation
AS20485	Joint Stock Company TransTeleCom
AS9002	RETN Limited
AS7713	PT Telekomunikasi Indonesia
AS199524	G-Core Labs S.A.

AS23780 IPv6 Peers

ASN	Name
AS2519	ARTERIA Networks Corporation
AS2497	Internet Initiative Japan Inc.
AS17676	SoftBank Corp.
AS216211	CYBERVERSE LLC

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

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AS23780 IPv6 Route Propagation

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

Prefix	Description	Visibility
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Prefix	Description
2402:6c80::/32	CTB Media Inc.

Bogon Prefixes
Prefix	Type	Status

Rank	Description	IPv6	Peer
1	Internet Initiative Japan Inc.	X	AS2497
2	ARTERIA Networks Corporation	X	AS2519
3	Hurricane Electric LLC		AS6939
4	SoftBank Corp.	X	AS17676
5	GSL Networks Pty LTD	X	AS137409
6	Etisalat - Emirates Telecommunications Corporation	X	AS8966
7	Joint Stock Company TransTeleCom		AS20485
8	RETN Limited	X	AS9002
9	PT Telekomunikasi Indonesia	X	AS7713
10	G-Core Labs S.A.		AS199524
11	Zain Omantel International FZ-LLC		AS8529
12	TelHi Corporation	X	AS150369
13	Eons Data Communications Limited	X	AS138997
14	i3D.net B.V	X	AS49544
15	Viewqwest Pte Ltd		AS18106
16	PJSC "Vimpelcom"		AS3216
17	FDCservers.net		AS30058
18	SG.GS	X	AS24482
19	PT. NTT Indonesia		AS10217
20	Superloop		AS38195
21	Hetzner Online GmbH	X	AS24940
22	Converge ICT Solutions Inc.	X	AS17639
23	Wikimedia Foundation Inc.	X	AS14907
24	Home NOC Operators Group		AS59105
25	Infinivan Incorporated		AS135607
26	MyRepublic Ltd.		AS132132
27	OVH SAS	X	AS16276
28	SBN-IIG/AWN-IIG transit provider	X	AS45430
29	Sri Lanka Telecom PLC, GLobal Peering	X	AS45489
30	Unitas Global	X	AS1828
31	Melbikomas UAB		AS8849
32	F5 Networks SARL	X	AS35280
33	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	CYBERVERSE LLC		AS216211
5	RETN Limited	X	AS9002
6	GSL Networks Pty LTD	X	AS137409
7	PT Telekomunikasi Indonesia	X	AS7713
8	Eons Data Communications Limited	X	AS138997
9	TelHi Corporation	X	AS150369
10	SG.GS	X	AS24482
11	Reliance Jio Infocomm Pte Ltd Singapore		AS64049
12	True International Gateway Co., Ltd.		AS38082
13	F5 Networks SARL	X	AS35280
14	Unitas Global	X	AS1828
15	Globe Telecoms		AS4775
16	Hetzner Online GmbH	X	AS24940
17	Reseaux IP Europeens Network Coordination Centre (RIPE NCC)		AS25152
18	OVH SAS	X	AS16276
19	SBN-IIG/AWN-IIG transit provider	X	AS45430
20	i3D.net B.V	X	AS49544
21	Sify Ltd		AS9583
22	WIDE Project	X	AS2500
23	Wikimedia Foundation Inc.	X	AS14907
24	Etisalat - Emirates Telecommunications Corporation	X	AS8966
25	Converge ICT Solutions Inc.	X	AS17639
26	Sri Lanka Telecom PLC, GLobal Peering	X	AS45489
27	Japan Network Information Center		AS2515
28	UIH / BB Connect		AS45796
29	Nearoute Limited		AS51847

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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 20250602 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:2:0:2:3780:2 2001:de8:c:2:0:2:3780:1
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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