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	Prefix	Description
	103.215.84.0/22	Global Network Core Co.,Ltd.
	117.102.168.0/21	Global Network Core Co.,Ltd.
	210.158.160.0/20	Global Network Core Co.,Ltd.
	218.223.32.0/20	Global Network Core Co.,Ltd.
	221.120.168.0/21	Global Network Core Co.,Ltd.
	2400:e000::/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
	AS2518	BIGLOBE Inc.	✔	✔
	AS2914	NTT America, Inc.	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS2914	NTT America, Inc.	✔	✔
	AS55895	N.S.Computer Service Co.,Ltd.	✔	✔
	AS2518	BIGLOBE Inc.	✔	✔
	AS23631	Sofu System, Inc	✔	✔
	AS38652	Ginzado Co.,Ltd.	✔	✔
	AS6939	Hurricane Electric LLC	✔	✔
	AS58453	China Mobile International	✘	✔
	AS137409	GSL Networks Pty LTD	✔	✔
	AS32787	Akamai (Prolexic)	✘	✔
	AS20473	The Constant Company, LLC	✔	✔
	AS59105	Home NOC Operators Group	✔	✔
	AS38631	LINE Corporation	✘	✔
	AS1828	Unitas Global	✔	✔
	AS2907	Science Information Network	✔	✔
	AS17408	AboveNet Communications Taiwan	✘	✔
	AS36236	NetActuate, Inc	✔	✔
	AS2635	Automattic, Inc	✔	✔
	AS8220	COLT	✘	✔
	AS8849	Melbikomas UAB	✔	✔
	AS2515	Japan Network Information Center	✔	✔
	AS49544	i3D.net B.V	✔	✔
	AS45899	VNPT Corp	✘	✔
	AS140627	OneQode	✔	✘
	AS9607	BroadBand Tower, Inc.	✔	✘
	AS55818	Matrix Cable Internet Exchange	✘	✔
	AS32590	Valve Corporation	✔	✔
	AS24482	SG.GS	✔	✔
	AS9605	NTT DOCOMO, INC.	✘	✔
	AS15169	Google LLC	✔	✔
	AS23815	Japan Internet Xing Co., Ltd.	✔	✘
	AS38001	NewMedia Express Pte. Ltd.	✔	✘
	AS138121	PT Mora Telematika Indonesia Tbk	✔	✘
	AS3786	LG DACOM Corporation	✔	✘
	AS4694	IDC Frontier Inc.	✘	✔
	AS398704	STACKS INC	✘	✔
	AS54113	Fastly, Inc.	✘	✔
	AS23855	Singapore Advanced Research and Education Network	✘	✔
	AS152858	Woven by Toyota, Inc.	✘	✔
	AS55805	MobiCom Corporation	✘	✔
	AS54994	Meteverse Limited	✘	✔
	AS19679	Dropbox, Inc.	✘	✔
	AS131911	HONJYO CABLE VISION CO., LTD.	✘	✔
	AS7676	TAM-Internet Service (T.A.M Co., Ltd.)	✘	✔
	AS42473	Anexia Cloud Solutions GmbH	✘	✔
	AS38158	PT Cyberindo Aditama	✔	✔
	AS4685	Asahi Net, Inc.	✘	✔
	AS20940	Akamai International B.V.	✘	✔
	AS140570	Hong Kong Beecloud System Technology Services Limited	✘	✔
	AS45701	PT Internet Madju Abad Milenindo	✔	✘
	AS24257	Japan Internet Xing Co., Ltd.	✘	✔
	AS714	Apple Inc.	✘	✔
	AS23620	DMM.com LLC	✘	✔
	AS7524	ITEC HANKYU HANSHIN CO.,LTD.	✘	✔
	AS146974	Woven by Toyota, Inc.	✘	✔
	AS146981	Nekojarashi Inc.	✘	✔
	AS53766	Arista VeloCloud	✘	✔
	AS131160	Wire and Wireless Co.,Ltd.	✘	✔
	AS7679	QTnet,Inc.	✘	✔
	AS33353	Sony Interactive Entertainment LLC	✘	✔
	AS9601	Niigata Communication Service	✘	✔
	AS146762	NATIONAL(SHANGHAI) NEW-TYPE INTERNET EXCHANGE POINT	✘	✔
	AS55685	PT Jala Lintas Media	✔	✘
	AS7530	BroadBand Tower, Inc.	✘	✔
	AS13335	Cloudflare, Inc.	✘	✔
	AS150368	KLNetwork	✘	✔
	AS10006	SECOM Trust Systems Co.,Ltd.	✘	✔
	AS131933	TAMA Television Co., Ltd	✘	✔

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Downstreams

	ASN	Description	IPv4	IPv6
	AS23631	Sofu System, Inc	✔	✔
	AS55895	N.S.Computer Service Co.,Ltd.	✔	✔
	AS38652	Ginzado Co.,Ltd.	✔	✔

[ 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]                  18070
b. [AS Name]                    NDAC
g. [Organization]               Global Network Core Co.,Ltd.
m. [Administrative Contact]     JP00028011
n. [Technical Contact]          JP00028011
q. [Abuse]                      
o. [IMPORT]                     from AS2510 100 accept ANY
o. [IMPORT]                     from AS2516 100 accept ANY
o. [IMPORT]                     from AS4725 100 accept ANY
p. [EXPORT]                     to AS2510 announce AS18070
p. [EXPORT]                     to AS2516 announce AS18070
p. [EXPORT]                     to AS4725 announce AS18070
[Assigned Date]                 2002/01/11
[Last Update]                   2008/04/08 10:56:14(JST)

Last Update: 2024-04-11T04:38:45Z UTC / (Click here to force a refresh)

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Member of the following AS-SETs

-	Member
NTTCOM	as-18070
RADB	as-iij
JPIRR	as-iij6
RADB	as-ocn-v6
JPIRR	as-mesh-customer:as18070
LEVEL3	as-level3-origins-na
RADB	as-kdd
RADB	as-hurricanev6
RADB	as-mesh-customer:as18070
RADB	as-pacnet
RADB	as-anc
NTTCOM	as-ocn-v6
RADB	as-18070
RADB	as-ocn
JPIRR	as-ocn-v6
RADB	as-kddi6
NTTCOM	as-exchange
JPIRR	as-exchange
NTTCOM	as-ocn
JPIRR	as-iij
RADB	as-iij6
JPIRR	as-ocn
JPIRR	as-18070