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	Prefix	Description
	203.119.40.0/24	Japan Registry Service Co.,Ltd.
	2001:dc9::/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	✔	✔
	AS23774	Japan Registry Service Co., Ltd.	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS2516	KDDI Corporation	✔	✔
	AS23774	Japan Registry Service Co., Ltd.	✔	✔
	AS6939	Hurricane Electric LLC	✔	✘
	AS9002	RETN Limited	✔	✔
	AS216211	CYBERVERSE LLC	✔	✔
	AS20473	The Constant Company, LLC	✔	✔
	AS8220	COLT	✔	✔
	AS8966	Etisalat (E&)	✔	✔
	AS150363	SoftEther Corporation	✔	✔
	AS20485	TransTeleCom JSC	✔	✘
	AS4651	The Communications Authority of Thailand (CAT)	✔	✔
	AS2907	Science Information Network	✔	✘
	AS2518	BIGLOBE Inc.	✔	✘
	AS8849	Melbikomas UAB	✔	✔
	AS2635	Automattic, Inc	✔	✔
	AS24482	SG.GS	✔	✔
	AS49544	i3D.net B.V	✔	✔
	AS18403	FPT Telecom Company	✔	✔
	AS17686	ACCELIA	✔	✘
	AS18526	DDPS Networks, LLC	✔	✔
	AS32590	Valve Corporation	✔	✔
	AS2515	Japan Network Information Center	✘	✔
	AS9370	SAKURA Internet Inc.	✔	✘
	AS215724	Edgevana, Inc.	✔	✘
	AS153371	BACK WAVES LIMITED	✔	✘
	AS9299	PLDT (Philippine Long Distance Telephone Company)	✔	✘
	AS55685	PT Jala Lintas Media	✔	✘

[ 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]                  24252
b. [AS Name]                    JPRS-NAYUTA
g. [Organization]               Japan Registry Service Co., Ltd.
m. [Administrative Contact]     JP00275301
n. [Technical Contact]          JP00275301
q. [Abuse]                      
o. [IMPORT]                     
p. [EXPORT]                     
[Assigned Date]                 2004/12/13
[Last Update]                   2025/08/14 13:14:04(JST)

Last Update: 2026-06-06T03:42:00Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
LEVEL3	as-level3-origins-na	0
RADB	as-kdd	1155
RADB	as-kddi6	834
RADB	as-gigainfra-v6	888
NTTCOM	as-18149arcstar	4
RADB	as-gigainfra	1327
NTTCOM	as-jprs	4
JPIRR	as-jprs	4
NTTCOM	as-jprs-us	2
NTTCOM	as-jprs-nayuta	1
JPIRR	as-gigainfra	1327
JPIRR	as-gigainfra-v6	888
RADB	as-hurricanev6	21128