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	Prefix	Description
	14.102.132.0/22	NSK Co.,Ltd.
	27.131.224.0/20	NSK Co.,Ltd.
	61.198.64.0/19	NSK Co.,Ltd.
	61.213.208.0/20	NSK Co.,Ltd.
	103.3.184.0/22	NSK Co.,Ltd.
	113.20.152.0/22	NSK Co.,Ltd.
	113.21.48.0/20	NSK Co.,Ltd.
	114.142.176.0/20	NSK Co.,Ltd.
	119.18.160.0/20	NSK Co.,Ltd.
	119.18.176.0/21	NSK Co.,Ltd.
	124.110.210.0/23	NSK Co.,Ltd.
	124.110.212.0/22	NSK Co.,Ltd.
	124.110.216.0/21	NSK Co.,Ltd.
	133.88.64.0/21	NSK Co.,Ltd.
	133.165.192.0/18	NSK Co.,Ltd.
	202.122.48.0/20	NSK Co.,Ltd.
	202.152.208.0/22	CPoint Corporation
	202.152.212.0/22	CPoint Corporation
	202.152.216.0/22	CPoint Corporation
	202.152.220.0/22	CPoint Corporation
	203.196.64.0/20	NSK Co.,Ltd.
	203.196.80.0/21	NSK Co.,Ltd.
	210.131.224.0/21	NSK Co.,Ltd.
	210.131.232.0/22	NSK Co.,Ltd.
	210.171.64.0/23	NSK Co.,Ltd.
	219.99.192.0/19	NSK Co.,Ltd.
	221.133.64.0/18	NSK Co.,Ltd.
	2405:a200::/32	Japan Network Information Center
	2406:f200::/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
	AS2519	ARTERIA Networks Corporation	✔	✔
	AS2914	NTT America, Inc.	✔	✔
	AS17676	SoftBank Corp.	✔	✔
	AS9824	JCOM Co., Ltd.	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS2519	ARTERIA Networks Corporation	✔	✔
	AS2914	NTT America, Inc.	✔	✔
	AS6939	Hurricane Electric LLC	✔	✘
	AS17676	SoftBank Corp.	✔	✔
	AS9824	JCOM Co., Ltd.	✔	✔
	AS7668	Hokuriku Telecommunication Network Co.	✔	✘
	AS137409	GSL Networks Pty LTD	✔	✘
	AS199524	Gcore S.A.	✔	✔
	AS24940	Hetzner Online GmbH	✔	✔
	AS150369	TelHi Corporation	✔	✔
	AS8220	COLT	✔	✔
	AS20473	The Constant Company, LLC	✔	✔
	AS2635	Automattic, Inc	✔	✔
	AS4764	Aussie Broadband	✔	✔
	AS49544	i3D.net B.V	✔	✔
	AS59105	Home NOC Operators Group	✔	✔
	AS200052	Feral.io Ltd	✔	✘
	AS9002	RETN Limited	✔	✔
	AS9583	Sify Limited	✔	✔
	AS9507	NextHop Pty Ltd	✔	✘
	AS216211	CYBERVERSE LLC	✔	✔
	AS1828	Unitas Global	✔	✔
	AS140627	OneQode	✔	✘
	AS63774	Kamoike.net LLP	✔	✔
	AS17961	mitene internet co., ltd.	✔	✘
	AS13335	Cloudflare, Inc.	✔	✔
	AS45701	PT Internet Madju Abad Milenindo	✔	✘
	AS4651	The Communications Authority of Thailand (CAT)	✔	✘
	AS60068	Datacamp Limited (CDN77 / DataPacket)	✔	✘
	AS45430	SBN-IIG/AWN-IIG transit provider	✔	✔
	AS2515	Japan Network Information Center	✔	✔
	AS138997	Eons Data Communications Limited	✔	✔
	AS136106	PT Mega Akses Persada	✔	✘
	AS2907	Science Information Network	✔	✔
	AS8849	Melbikomas UAB	✔	✔
	AS9304	HGC Global Communications Limited	✔	✔
	AS43350	NForce Entertainment B.V.	✔	✘
	AS147168	PT NTT Indonesia	✔	✘
	AS36236	NetActuate, Inc	✔	✔
	AS24482	SG.GS	✔	✔
	AS32590	Valve Corporation	✔	✔
	AS101	University of Washington	✔	✔
	AS14907	Wikimedia Foundation Inc.	✔	✔
	AS138121	PT Mora Telematika Indonesia Tbk	✔	✘
	AS23815	Japan Internet Xing Co., Ltd.	✔	✘
	AS9299	PLDT (Philippine Long Distance Telephone Company)	✔	✘
	AS133840	PT Jala Lintas Media	✔	✘
	AS3786	LG DACOM Corporation	✔	✘
	AS15169	Google LLC	✔	✘
	AS24255	Koshinomiyako Network, Inc.	✔	✘
	AS23778	IMIZU CABLE NETWORK CO.,LTD.	✔	✘
	AS58453	China Mobile International	✘	✔
	AS7713	PT Telkom Indonesia Tbk	✔	✘
	AS7676	TAM-Internet Service (T.A.M Co., Ltd.)	✔	✘
	AS64049	Reliance Jio Infocomm Pte. Ltd.	✔	✘
	AS9505	Taiwan Internet Gateway	✔	✘
	AS4788	TM Technology Services Sdn. Bhd.	✔	✘
	AS9009	M247 Europe SRL	✔	✘
	AS20326	TeraSwitch Networks Inc.	✘	✔

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Downstreams

	ASN	Description	IPv4	IPv6
	AS7668	Hokuriku Telecommunication Network Co.	✔	✘

[ 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]                  17534
b. [AS Name]                    NSK
g. [Organization]               NSK Co.,Ltd.
m. [Administrative Contact]     KM1347JP
n. [Technical Contact]          WK140JP
q. [Abuse]                      
o. [IMPORT]                     from AS2516 100 accept ANY
o. [IMPORT]                     from AS7527 100 accept ANY
p. [EXPORT]                     to AS2516 announce AS17534
p. [EXPORT]                     to AS7527 announce AS17534
[Assigned Date]                 2001/04/23
[Last Update]                   2011/01/27 21:59:03(JST)

Last Update: 2025-07-09T23:35:12Z UTC / (Click here to force a refresh)

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Member of the following AS-SETs

-	Member
NTTCOM	as-mhdd
RADB	as-ipv6_vectant
RADB	as-kddcustomer2
RADB	as-17534
ARIN	as1239:as-customers
JPIRR	as-ocn
NTTCOM	as-ocn
RADB	as-9824transit6
JPIRR	as-iij6
JPIRR	as-bbix-t
RADB	as-telstra-testing-1
RADB	as-bbix-t
RADB	as-vectant
RADB	as-kddi6
RADB	as-ocn-v6
LEVEL3	as-level3-origins-na
RADB	as-ocn
RADB	as-tmnet-peers
NTTCOM	as-ocn-v6
RADB	as-telstra-intl-customers
NTTCOM	as2914:as-64600-v6
RADB	as-iij
RADB	as-kdd
RADB	as-hurricanev6
JPIRR	as-bbix-t-v6
JPIRR	as-17534
RADB	as-bbix-t-v6
RADB	as-iij6
RADB	as-9824transit
JPIRR	as-iij
JPIRR	as-mitene
JPIRR	as-ocn-v6