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	Prefix	Description
	203.86.224.0/21	NS Computer Service Corporation
	211.19.16.0/20	NS Computer Service Corporation
	2403:9200::/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
	AS2914	NTT America, Inc.	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS2914	NTT America, Inc.	✔	✔
	AS137409	GSL Networks Pty LTD	✔	✘
	AS20473	The Constant Company, LLC	✔	✔
	AS9002	RETN Limited	✔	✔
	AS150369	TelHi Corporation	✔	✔
	AS59105	Home NOC Operators Group	✔	✔
	AS216211	CYBERVERSE LLC	✔	✔
	AS9507	NextHop Pty Ltd	✔	✔
	AS1828	Unitas Global	✔	✔
	AS9498	Bharti Airtel Ltd.	✔	✘
	AS2907	Science Information Network	✔	✔
	AS63774	Kamoike.net LLP	✔	✔
	AS138997	Eons Data Communications Limited	✔	✔
	AS4651	The Communications Authority of Thailand (CAT)	✔	✘
	AS2515	Japan Network Information Center	✔	✔
	AS2635	Automattic, Inc	✔	✔
	AS30058	FDCservers.net	✔	✔
	AS49544	i3D.net B.V	✔	✘
	AS9304	HGC Global Communications Limited	✔	✘
	AS140627	OneQode	✔	✘
	AS24482	SG.GS	✔	✔
	AS32590	Valve Corporation	✔	✔
	AS18106	Viewqwest Pte Ltd	✔	✘
	AS3786	LG DACOM Corporation	✔	✘
	AS60068	Datacamp Limited (CDN77 / DataPacket)	✔	✘
	AS134835	Starry Network Limited	✘	✔
	AS9269	Hong Kong Broadband Network Ltd.	✘	✔
	AS20326	TeraSwitch Networks Inc.	✘	✔

[ 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]                  23641
b. [AS Name]                    NSCS-NET
g. [Organization]               NS Computer Service Corporation
m. [Administrative Contact]     HA2729JP
n. [Technical Contact]          JP00025743
q. [Abuse]                      
o. [IMPORT]                     from AS2516 100 accept ANY
o. [IMPORT]                     from AS9601 100 accept ANY
p. [EXPORT]                     to AS2516 announce AS23641
p. [EXPORT]                     to AS9601 announce AS23641
[Assigned Date]                 2003/06/27
[Last Update]                   2007/10/15 13:22:24(JST)

Last Update: 2025-07-09T23:52:19Z UTC / (Click here to force a refresh)

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Member of the following AS-SETs

-	Member
RADB	as-iij6
JPIRR	as-nscs-net
JPIRR	as-gigainfra
RADB	as-gigainfra
JPIRR	as-ocn
ARIN	as-xo-b
JPIRR	as-bbix-t
NTTCOM	as-ocn
RADB	as-gigainfra-v6
JPIRR	as-iij6
LEVEL3	as-level3-origins-na
RADB	as-iij
RADB	as-pacnet-customer-proxy-register
RADB	as-ocn
RADB	as-bbix-t-v6
NTTCOM	as-ocn-v6
JPIRR	as-ocn-v6
RADB	as-ocn-v6
JPIRR	as-gigainfra-v6
JPIRR	as-bbix-t-v6
JPIRR	as-iij
RADB	as-bbix-t