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	Prefix	Description
	219.100.192.0/22	SENDAI CATV CO.,LTD.
	14.15.64.0/21	SENDAI CATV CO.,LTD.
	103.13.252.0/22	SENDAI CATV CO.,LTD.
	110.232.136.0/22	SENDAI CATV CO.,LTD.
	114.31.216.0/21	SENDAI CATV CO.,LTD.
	133.226.140.0/22	SENDAI CATV CO.,LTD.
	133.226.144.0/20	SENDAI CATV CO.,LTD.
	202.162.80.0/20	SENDAI CATV CO.,LTD.
	2403:1240::/32	Japan Network Information Center

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS2497	Internet Initiative Japan Inc.	✔	✔
	AS17676	SoftBank Corp.	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS2497	Internet Initiative Japan Inc.	✔	✔
	AS6939	Hurricane Electric LLC	✔	✔
	AS17676	SoftBank Corp.	✔	✔
	AS24940	Hetzner Online GmbH	✔	✔
	AS199524	Gcore S.A.	✔	✔
	AS150369	TelHi Corporation	✔	✔
	AS20473	The Constant Company, LLC	✔	✔
	AS8966	Etisalat (E&)	✔	✘
	AS216211	CYBERVERSE LLC	✔	✔
	AS59105	Home NOC Operators Group	✔	✔
	AS20485	TransTeleCom JSC	✔	✘
	AS2635	Automattic, Inc	✔	✔
	AS9002	RETN Limited	✔	✔
	AS16276	OVH SAS	✔	✔
	AS150363	SoftEther Corporation	✔	✔
	AS2907	Science Information Network	✔	✘
	AS9507	NextHop Pty Ltd	✔	✘
	AS1828	PacketFabric / Unitas Global	✔	✔
	AS4651	The Communications Authority of Thailand (CAT)	✔	✔
	AS63774	Kamoike.net LLP	✔	✔
	AS138997	Eons Data Communications Limited	✔	✔
	AS8849	Melbikomas UAB	✔	✔
	AS24482	SG.GS	✔	✔
	AS49544	i3D.net B.V	✔	✔
	AS2515	Japan Network Information Center	✔	✔
	AS136106	PT Mega Akses Persada	✔	✔
	AS18403	FPT Telecom Company	✔	✘
	AS45701	PT Internet Madju Abad Milenindo	✔	✘
	AS153371	BACK WAVES LIMITED	✔	✔
	AS14907	Wikimedia Foundation Inc.	✔	✔
	AS36236	NetActuate, Inc	✔	✔
	AS32590	Valve Corporation	✔	✔
	AS18526	DDPS Networks, LLC	✔	✔
	AS135607	Infinivan Incorporated	✔	✔
	AS38158	PT Cyberindo Aditama	✔	✔
	AS9299	PLDT (Philippine Long Distance Telephone Company)	✔	✘
	AS55685	PT Jala Lintas Media	✔	✘
	AS138121	PT Mora Telematika Indonesia Tbk	✔	✘
	AS101	University of Washington	✔	✘
	AS137367	PT iForte Solusi Infotek	✔	✘
	AS215724	Edgevana, Inc.	✔	✘
	AS38082	True International Gateway Co., Ltd.	✘	✔
	AS9583	Sify Limited	✘	✔
	AS9304	HGC Global Communications Limited	✘	✔
	AS7713	PT Telkom Indonesia Tbk	✘	✔

[ 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]                  24279
b. [AS Name]                    CAT-V
g. [Organization]               SENDAI CATV CO.,LTD.
m. [Administrative Contact]     KT16147JP
n. [Technical Contact]          KT16147JP
q. [Abuse]                      
o. [IMPORT]                     from AS2497 100 accept ANY
o. [IMPORT]                     from AS7516 100 accept ANY
p. [EXPORT]                     to AS2497 announce AS24279
p. [EXPORT]                     to AS7516 announce AS24279
[Assigned Date]                 2005/09/26
[Last Update]                   2009/03/13 14:53:28(JST)

Last Update: 2026-06-07T04:00:17Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
JPIRR	as-iij	5199
RADB	as-kdd	1153
RADB	as-hurricanev6	21146
JPIRR	as-bbix-t-v6	738
JPIRR	as2497:as-iij	5195
RADB	as-bbix-t-v6	738
RADB	as2497:as-iij6	4542
JPIRR	as-bbix-t	935
JPIRR	as24257:as-jpix	20
RADB	as-kddi6	833
RADB	as-iij	5199
RADB	as2497:as-iij	5195
RADB	as-bbix-t	935
JPIRR	as2497:as-iij6	4542
JPIRR	as-iij6	4544
RADB	as-ipv6_vectant	111
JPIRR	as2915:as-bbix-ocx-customers	29
RADB	as-vectant	227
RADB	as-iij6	4544
LEVEL3	as-level3-origins-na	0