AS18126 Chubu Telecommunications Company, Inc.

The website screenshot for https://www.ctc.co.jp/

Chubu Telecommunications Company, Inc.

AS Number 18126
Website https://www.ctc.co.jp/

Overview
Prefixes
Connectivity
Whois
IX

Registered on: 1 Apr 2003 (22 years old)
Registered to: A91A7381 (apnic)

Network status: Active, Allocated under JPNIC (APNIC)

Network type: Eyeball

Prefixes Originated: 73 IPv4, 2 IPv6

Upstreams

AS2497 - Internet Initiative Japan Inc.
AS2914 - NTT America, Inc.
AS2519 - ARTERIA Networks Corporation
AS2516 - KDDI Corporation

Rankings

#34 for AS Cone in Japan

#9 for Estimated Eyeballs in Japan

#38 for Unique Domains in Japan

#46 for Known Peers in Japan

#19 for Originated IPv4 Space in Japan

#22 for Originated IPv6 Space in Japan

Tags:

	Prefix	Description
	14.132.0.0/16	Chubu Telecommunications Co.,Inc.
	14.133.0.0/16	Chubu Telecommunications Co.,Inc.
	14.192.32.0/24	Chubu Telecommunications Co.,Inc.
	14.192.32.0/20	Chubu Telecommunications Co.,Inc.
	14.192.47.0/24	Chubu Telecommunications Co.,Inc.
	45.114.16.0/22	Game Co.,Ltd.
	45.119.164.0/22	TAXRICH Inc.
	59.130.0.0/17	KDDI CORPORATION
	103.2.20.0/22	Chubu Telecommunications Co.,Inc.
	103.41.136.0/22	Esakacho2-6-10,Fukidashi
	103.44.84.0/22	7-20-19,Shinozakicho,Edogawaku
	103.64.132.0/23	2-14, Nishi-Tenma4, Kita-ku
	103.64.134.0/24	2-14, Nishi-Tenma4, Kita-ku
	103.64.135.0/24	2-14, Nishi-Tenma4, Kita-ku
	112.137.56.0/21	Chubu Telecommunications Co.,Inc.
	113.155.0.0/17	Chubu Telecommunications Co.,Inc.
	113.155.128.0/17	Chubu Telecommunications Co.,Inc.
	115.36.0.0/16	Chubu Telecommunications Co.,Inc.
	115.37.0.0/16	Chubu Telecommunications Co.,Inc.
	115.38.0.0/16	Chubu Telecommunications Co.,Inc.
	115.39.0.0/16	Chubu Telecommunications Co.,Inc.
	118.104.0.0/16	Chubu Telecommunications Co.,Inc.
	118.105.0.0/16	Chubu Telecommunications Co.,Inc.
	118.106.0.0/16	Chubu Telecommunications Co.,Inc.
	123.1.0.0/18	Chubu Telecommunications Co.,Inc.
	123.1.64.0/18	Chubu Telecommunications Co.,Inc.
	123.48.0.0/16	Chubu Telecommunications Co.,Inc.
	124.18.0.0/16	Chubu Telecommunications Co.,Inc.
	133.88.227.0/24	Shizuoka Institute of Science and Technology
	133.88.228.0/22	Shizuoka Institute of Science and Technology
	133.88.232.0/21	Shizuoka Institute of Science and Technology
	133.88.240.0/21	Shizuoka Institute of Science and Technology
	133.88.248.0/21	Shizuoka Institute of Science and Technology
	150.49.0.0/18	Japan Network Information Center
	150.49.64.0/19	Japan Network Information Center
	150.49.96.0/19	Japan Network Information Center
	150.49.128.0/18	Japan Network Information Center
	150.49.192.0/19	Japan Network Information Center
	150.49.224.0/20	Japan Network Information Center
	150.49.240.0/22	Japan Network Information Center
	150.49.244.0/22	Japan Network Information Center
	150.49.248.0/22	Japan Network Information Center
	150.49.252.0/23	Japan Network Information Center
	163.46.0.0/16	Yokkaichi University
	180.196.0.0/16	Chubu Telecommunications Co.,Inc.
	180.197.0.0/16	Chubu Telecommunications Co.,Inc.
	180.198.0.0/16	Chubu Telecommunications Co.,Inc.
	180.199.0.0/16	Chubu Telecommunications Co.,Inc.
	202.41.208.0/20	Chubu Telecommunications Co.,Inc.
	202.62.160.0/20	Chubu Telecommunications Co.,Inc.
	202.124.0.0/20	Chubu Telecommunications Co.,Inc.
	202.124.208.0/20	Chubu Telecommunications Co.,Inc.
	202.142.224.0/19	Chubu Telecommunications Co.,Inc.
	202.150.48.0/21	Chubu Telecommunications Co.,Inc.
	203.129.112.0/20	Chubu Telecommunications Co.,Inc.
	203.129.127.0/24	Chubu Telecommunications Co.,Inc.
	203.209.176.0/22	Chubu Telecommunications Co.,Inc.
	210.173.144.0/20	Chubu Telecommunications Co.,Inc.
	210.173.147.0/24	Chubu Telecommunications Co.,Inc.
	210.173.151.0/24	Chubu Telecommunications Co.,Inc.
	218.216.176.0/20	Chubu Telecommunications Company, Inc.
	218.216.176.0/24	Chubu Telecommunications Company, Inc.
	218.216.178.0/24	Chubu Telecommunications Company, Inc.
	218.216.179.0/24	Chubu Telecommunications Company, Inc.
	219.117.32.0/24	Chubu Telecommunications Co.,Inc.
	219.117.32.0/20	Chubu Telecommunications Co.,Inc.
	219.117.33.0/24	Chubu Telecommunications Co.,Inc.
	219.117.34.0/24	Chubu Telecommunications Co.,Inc.
	219.117.35.0/24	Chubu Telecommunications Co.,Inc.
	219.117.46.0/24	Chubu Telecommunications Co.,Inc.
	222.9.0.0/17	Chubu Telecommunications Co.,Inc.
	222.9.128.0/17	Chubu Telecommunications Co.,Inc.
	223.29.0.0/17	Chubu Telecommunications Co.,Inc.
	2001:f58::/32	Japan Network Information Center
	2402:6b00::/32	Japan Network Information Center

Peers: 46

Upstreams: 4

Downstreams: 1 (Cone: 2)

Network Policy

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How are upstreams and downstreams calculated?

Upstreams

ASN	Description	IPv4	IPv6
AS2497	Internet Initiative Japan Inc.	✔	✔
AS2914	NTT America, Inc.	✔	✔
AS2519	ARTERIA Networks Corporation	✔	✔
AS2516	KDDI Corporation	✔	✔

Peers

ASN	Description	IPv4	IPv6
AS2497	Internet Initiative Japan Inc.	✔	✔
AS2914	NTT America, Inc.	✔	✔
AS2519	ARTERIA Networks Corporation	✔	✔
AS2516	KDDI Corporation	✔	✔
AS6939	Hurricane Electric LLC	✔	✘
AS137409	GSL Networks Pty LTD	✔	✔
AS150369	TelHi Corporation	✔	✔
AS2635	Automattic, Inc	✔	✔
AS20473	The Constant Company, LLC	✔	✔
AS8220	COLT	✔	✔
AS146985	KISSEI COMTEC Co.,Ltd	✔	✘
AS199524	Gcore S.A.	✔	✔
AS59105	Home NOC Operators Group	✔	✔
AS9002	RETN Limited	✔	✔
AS1828	Unitas Global	✔	✔
AS9507	NextHop Pty Ltd	✔	✘
AS63774	Kamoike.net LLP	✔	✔
AS138997	Eons Data Communications Limited	✔	✘
AS4651	The Communications Authority of Thailand (CAT)	✔	✘
AS9924	Taiwan Fixed Network, Telco and Network Service Provider.	✔	✘
AS8849	Melbikomas UAB	✔	✔
AS49544	i3D.net B.V	✔	✔
AS9304	HGC Global Communications Limited	✔	✘
AS2515	Japan Network Information Center	✔	✔
AS2907	Science Information Network	✔	✔
AS17676	SoftBank Corp.	✔	✔
AS140627	OneQode	✔	✘
AS45701	PT Internet Madju Abad Milenindo	✔	✘
AS18526	DDPS Networks, LLC	✔	✔
AS24482	SG.GS	✔	✔
AS32590	Valve Corporation	✔	✔
AS36236	NetActuate, Inc	✔	✔
AS101	University of Washington	✔	✔
AS55685	PT Jala Lintas Media	✔	✘
AS60068	Datacamp Limited (CDN77 / DataPacket)	✔	✘
AS153371	BACK WAVES LIMITED	✔	✘
AS3786	LG DACOM Corporation	✔	✘
AS138121	PT Mora Telematika Indonesia Tbk	✔	✘
AS38001	NewMedia Express Pte. Ltd.	✔	✘
AS23815	Japan Internet Xing Co., Ltd.	✔	✘
AS59238	Innovative Extremist Co., Ltd.	✔	✘
AS9299	PLDT (Philippine Long Distance Telephone Company)	✔	✘
AS137367	PT iForte Solusi Infotek	✔	✘
AS58453	China Mobile International	✘	✔
AS8966	Etisalat (ETC)	✘	✔
AS134835	Starry Network Limited	✘	✔

Downstreams

	ASN	Description	IPv4	IPv6
	AS146985	KISSEI COMTEC Co.,Ltd	✔	✘

[ 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]                  18126
b. [AS Name]                    CTCX
g. [Organization]               Chubu Telecommunications Company, Inc.
m. [Administrative Contact]     JP00006514
n. [Technical Contact]          JP00006514
q. [Abuse]                      
o. [IMPORT]                     
p. [EXPORT]                     
[Assigned Date]                 2003/04/01
[Last Update]                   2006/11/09 12:29:19(JST)

Last Update: 2025-07-26T23:03:47Z UTC / (Click here to force a refresh)

Member of the following AS-SETs

-	Member
RADB	as-ocn-v6
RADB	as3491:as-customers-ap
JPIRR	as-ocn-v6
JPIRR	as-iij
RADB	as-kddcustomer2
JPIRR	as-iij6
RADB	as-kddi6
RADB	as-pacnet-downstream-jp
RADB	as-iij
RADB	as-telstra-testing-1
RADB	as-ctcx
ARIN	as1239:as-customers
NTTCOM	as-ocn-v6
RADB	as-kdd
LEVEL3	as-level3-origins-na
RADB	as-pwd
JPIRR	as-ocn
RADB	as-hurricanev6
RADB	as-pacnet-customer-proxy-register
JPIRR	as-ctcx
NTTCOM	as-ocn
RADB	as-ocn
RADB	as-iij6
RADB	as-telstra-intl-customers
RADB	as-vectant
ARIN	as-xo-b
RADB	as-ipv6_vectant
JPIRR	as-pwd

Name	IPv4	IPv6	Link Speed
JPIX TOKYO	210.171.224.217	2001:de8:8::1:8126:1	200 gbps
JPIX OSAKA	103.246.232.217	2001:de8:8:6:0:1:8126:1	200 gbps
BBIX Tokyo	101.203.88.179	2001:de8:c::1:8126:1	100 gbps
JPNAP Tokyo	210.173.176.199	2001:7fa:7:1:0:1:8126:1	100 gbps
JPNAP Osaka	210.173.184.170	2001:7fa:7:2:0:1:8126:1	100 gbps
BBIX Osaka	218.100.9.191	2001:de8:c:2:0:1:8126:1	100 gbps
Equinix Osaka	203.190.227.47	2001:de8:5:1:0:1:8126:1	20 gbps

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Upstreams

Rankings

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Member of the following AS-SETs

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