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	Prefix	Description
	103.82.88.0/22	Utsunomiya Cable TV Corporation
	116.118.208.0/20	Utsunomiya Cable TV Corporation
	202.173.96.0/20	Utsunomiya Cable TV Corporation
	202.208.64.0/20	Utsunomiya Cable TV Corporation
	210.236.112.0/20	Utsunomiya Cable TV Corporation
	219.97.112.0/21	Utsunomiya Cable TV Corporation
	219.100.164.0/22	Utsunomiya Cable TV Corporation
	219.122.96.0/20	Utsunomiya Cable TV Corporation
	2407:3300::/32	Japan Network Information Center

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS2497	Internet Initiative Japan Inc.	✔	✔
	AS2516	KDDI Corporation	✔	✔
	AS17676	SoftBank Corp.	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS2497	Internet Initiative Japan Inc.	✔	✔
	AS2516	KDDI Corporation	✔	✔
	AS17676	SoftBank Corp.	✔	✔
	AS6939	Hurricane Electric LLC	✔	✘
	AS150369	TelHi Corporation	✔	✔
	AS20473	The Constant Company, LLC	✔	✔
	AS8966	Etisalat (ETC)	✔	✔
	AS216211	CYBERVERSE LLC	✔	✔
	AS59105	Home NOC Operators Group	✔	✔
	AS9002	RETN Limited	✔	✔
	AS2635	Automattic, Inc	✔	✔
	AS199524	Gcore S.A.	✔	✔
	AS23764	China Telecom Global	✔	✘
	AS1828	Unitas Global	✔	✔
	AS9507	NextHop Pty Ltd	✔	✘
	AS4651	The Communications Authority of Thailand (CAT)	✔	✔
	AS63774	Kamoike.net LLP	✔	✔
	AS138997	Eons Data Communications Limited	✔	✔
	AS2515	Japan Network Information Center	✔	✔
	AS49544	i3D.net B.V	✔	✔
	AS2907	Science Information Network	✔	✔
	AS45701	PT Internet Madju Abad Milenindo	✔	✘
	AS20485	TransTeleCom JSC	✔	✘
	AS58453	China Mobile International	✘	✔
	AS18526	DDPS Networks, LLC	✔	✔
	AS8849	Melbikomas UAB	✔	✔
	AS38158	PT Cyberindo Aditama	✔	✔
	AS32590	Valve Corporation	✔	✔
	AS101	University of Washington	✔	✔
	AS36236	NetActuate, Inc	✔	✔
	AS24482	SG.GS	✔	✔
	AS55685	PT Jala Lintas Media	✔	✘
	AS3786	LG DACOM Corporation	✔	✘
	AS137367	PT iForte Solusi Infotek	✔	✘
	AS9299	PLDT (Philippine Long Distance Telephone Company)	✔	✘
	AS153371	BACK WAVES LIMITED	✔	✘
	AS138121	PT Mora Telematika Indonesia Tbk	✔	✘
	AS60068	Datacamp Limited (CDN77 / DataPacket)	✔	✘
	AS4809	China Telecom Next Generation Carrier Network	✔	✘
	AS15169	Google LLC	✔	✘
	AS134835	Starry Network Limited	✘	✔

[ 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]                  18274
b. [AS Name]                    UCATV
g. [Organization]               Utsunomiya Cable TV Corporation
m. [Administrative Contact]     YD203JP
n. [Technical Contact]          YD203JP
q. [Abuse]                      
o. [IMPORT]                     from AS17930 100 accept ANY
o. [IMPORT]                     from AS17697 100 accept ANY
o. [IMPORT]                     from AS4716  100 accept ANY
p. [EXPORT]                     to AS17930 announce AS18274
p. [EXPORT]                     to AS17697 announce AS18274
p. [EXPORT]                     to AS4716  announce AS18274
[Assigned Date]                 2002/11/13
[Last Update]                   2002/11/13 15:10:40(JST)

Last Update: 2026-04-10T15:05:27Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-cabletv	5
JPIRR	as-gigainfra-v6	865
JPIRR	as-ucatv	1
JPIRR	as-iij	5030
JPIRR	as-gigainfra	1298
LEVEL3	as-level3-origins-na	0
JPIRR	as-ocn	2
RADB	as-kdd	1155
RADB	as-iij	5030
JPIRR	as2915:as-bbix-ocx-customers	21
RADB	as-ocn	2
RADB	as-kddi6	832
RADB	as-hurricanev6	20742
JPIRR	as-iij6	4385
RADB	as-gigainfra-v6	865
RADB	as-gigainfra	1298
NTTCOM	as-17930arcstar	8
NTTCOM	as-ocn	2
NTTCOM	as-mhdd	11
RADB	as-iij6	4385