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	Prefix	Description
	101.78.6.0/24	DOVA Corporation
	103.235.40.0/22	DOVA Corporation
	183.81.176.0/22	DOVA Corporation
	183.81.176.0/24	DOVA Co.,Ltd.
	183.81.177.0/24	DOVA Corporation
	183.81.178.0/23	DOVA Corporation
	2401:5300::/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
	AS63804	DOVA Corporation	✔	✘
	AS4713	NTT Communications Corporation (OCN)	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS63804	DOVA Corporation	✔	✘
	AS4713	NTT Communications Corporation (OCN)	✔	✔
	AS2518	BIGLOBE Inc.	✔	✘
	AS131909	OCC Co., Ltd.	✔	✘
	AS2915	BBIX, Inc.	✔	✘
	AS32590	Valve Corporation	✔	✘
	AS60068	Datacamp Limited (CDN77 / DataPacket)	✔	✘

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Downstreams

	ASN	Description	IPv4	IPv6
	AS131909	OCC 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]                  45680
b. [AS Name]                    DOVA-NET
g. [Organization]               DOVA Corporation
m. [Administrative Contact]     JP00234729
n. [Technical Contact]          JP00234729
q. [Abuse]                      
o. [IMPORT]                     
p. [EXPORT]                     
[Assigned Date]                 2009/10/28
[Last Update]                   2026/03/24 10:45:59(JST)

Last Update: 2026-04-10T15:17:53Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-iij	5136
JPIRR	as-iij6	4489
NTTCOM	as-ocn	2
JPIRR	as2915:as-bbix-ocx-customers	24
RADB	as-kddi6	832
JPIRR	as-ocn	2
RADB	as-iij6	4489
NTTCOM	as-ocn-v6	203
JPIRR	as63804:as-dova	4
NTTCOM	as63804:as-dova-net	2
JPIRR	as-iij	5136
JPIRR	as-ocn-v6	203
RADB	as-ocn-v6	203
RADB	as-kdd	1155
JPIRR	as-dova-net	2
RADB	as-ocn	2
JPIRR	as-dwango	7