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	Prefix	Description
	103.15.188.0/22	miyazaki cabletelevision network Co.,LTD
	123.176.128.0/17	miyazaki cabletelevision network Co.,LTD
	150.91.208.0/20	miyazaki cabletelevision network Co.,LTD
	192.244.32.0/19	Internet Initiative Japan Inc.
	202.122.176.0/20	miyazaki cabletelevision network Co.,LTD
	202.170.96.0/20	miyazaki cabletelevision network Co.,LTD
	203.140.208.0/20	miyazaki cabletelevision network Co.,LTD
	218.216.32.0/19	miyazaki cabletelevision network Co.,LTD
	219.100.216.0/22	miyazaki cabletelevision network Co.,LTD
	219.105.64.0/20	miyazaki cabletelevision network Co.,LTD
	2405:c700::/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
	AS2516	KDDI Corporation	✔	✔
	AS2497	Internet Initiative Japan Inc.	✔	✔
	AS17676	SoftBank Corp.	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS2516	KDDI Corporation	✔	✔
	AS2497	Internet Initiative Japan Inc.	✔	✔
	AS6939	Hurricane Electric LLC	✔	✘
	AS17676	SoftBank Corp.	✔	✔
	AS137409	GSL Networks Pty LTD	✔	✘
	AS24940	Hetzner Online GmbH	✔	✔
	AS199524	Gcore S.A.	✔	✘
	AS150369	TelHi Corporation	✔	✔
	AS16265	LeaseWeb Network B.V.	✔	✘
	AS20473	The Constant Company, LLC	✔	✔
	AS49544	i3D.net B.V	✔	✔
	AS9002	RETN Limited	✔	✔
	AS2635	Automattic, Inc	✔	✔
	AS4764	Aussie Broadband	✔	✔
	AS59105	Home NOC Operators Group	✔	✘
	AS1828	Unitas Global	✔	✔
	AS216211	CYBERVERSE LLC	✔	✔
	AS9507	NextHop Pty Ltd	✔	✔
	AS20485	TransTeleCom JSC	✔	✘
	AS4651	The Communications Authority of Thailand (CAT)	✔	✔
	AS63774	Kamoike.net LLP	✔	✔
	AS60068	Datacamp Limited (CDN77 / DataPacket)	✔	✘
	AS2907	Science Information Network	✔	✔
	AS8966	Etisalat (ETC)	✔	✘
	AS45430	SBN-IIG/AWN-IIG transit provider	✔	✔
	AS2515	Japan Network Information Center	✔	✔
	AS8849	Melbikomas UAB	✔	✔
	AS43350	NForce Entertainment B.V.	✔	✘
	AS45701	PT Internet Madju Abad Milenindo	✔	✘
	AS24482	SG.GS	✔	✔
	AS32590	Valve Corporation	✔	✔
	AS14907	Wikimedia Foundation Inc.	✔	✔
	AS18526	DDPS Networks, LLC	✔	✔
	AS15169	Google LLC	✔	✘
	AS3786	LG DACOM Corporation	✔	✘
	AS23815	Japan Internet Xing Co., Ltd.	✔	✘
	AS36236	NetActuate, Inc	✔	✘
	AS138121	PT Mora Telematika Indonesia Tbk	✔	✘
	AS38158	PT Cyberindo Aditama	✔	✘
	AS153371	BACK WAVES LIMITED	✔	✘
	AS55685	PT Jala Lintas Media	✔	✘
	AS9299	PLDT (Philippine Long Distance Telephone Company)	✔	✘
	AS138997	Eons Data Communications Limited	✘	✔
	AS9583	Sify Limited	✘	✔
	AS20326	TeraSwitch Networks Inc.	✘	✔
	AS9304	HGC Global Communications 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]                  17939
b. [AS Name]                    MCN-NET01
g. [Organization]               miyazaki cabletelevision network Co.,LTD
m. [Administrative Contact]     MI2163JP
n. [Technical Contact]          MI2163JP
n. [Technical Contact]          YN4520JP
q. [Abuse]                      
o. [IMPORT]                     from AS4725 100 accept ANY
o. [IMPORT]                     from AS2497 100 accept ANY
o. [IMPORT]                     from AS17697 100 accept ANY
p. [EXPORT]                     to AS4725 announce AS17939
p. [EXPORT]                     to AS2497 announce AS17939
p. [EXPORT]                     to AS17697 announce AS17939
[Assigned Date]                 2001/11/12
[Last Update]                   2002/10/28 10:06:40(JST)

Last Update: 2025-12-14T23:05:33Z UTC / (Click here to force a refresh)

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-hurricanev6	20417
RADB	as-gigainfra-v6	850
JPIRR	as-gigainfra-v6	850
RADB	as-kdd	1156
JPIRR	as-iij6	4701
JPIRR	as-iij	5330
ARIN	as1239:as-customers	4238
LEVEL3	as-level3-origins-na	0
RADB	as-iij	5330
RADB	as-gigainfra	1282
RADB	as-kddi6	834
RADB	as-mcn-net	2
RADB	as-iij6	4701
JPIRR	as-gigainfra	1282