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	Prefix	Description
	157.66.22.0/23	Japanet Holdings Co.,Ltd.

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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	✔	✘
	AS17676	SoftBank Corp.	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS2519	ARTERIA Networks Corporation	✔	✘
	AS17676	SoftBank Corp.	✔	✘
	AS6939	Hurricane Electric LLC	✔	✘
	AS150369	TelHi Corporation	✔	✘
	AS20473	The Constant Company, LLC	✔	✘
	AS59105	Home NOC Operators Group	✔	✘
	AS216211	CYBERVERSE LLC	✔	✘
	AS2907	Science Information Network	✔	✘
	AS9002	RETN Limited	✔	✘
	AS199524	Gcore S.A.	✔	✘
	AS9507	NextHop Pty Ltd	✔	✘
	AS4651	The Communications Authority of Thailand (CAT)	✔	✘
	AS1828	PacketFabric / Unitas Global	✔	✘
	AS63774	Kamoike.net LLP	✔	✘
	AS2635	Automattic, Inc	✔	✘
	AS49544	i3D.net B.V	✔	✘
	AS17433	Hytron Network Services Limited	✔	✘
	AS32590	Valve Corporation	✔	✘
	AS24482	SG.GS	✔	✘
	AS135607	Infinivan Incorporated	✔	✘

[ 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]                  151385
b. [AS Name]                    JAPANET-H
g. [Organization]               Japanet Holdings Co.,Ltd.
m. [Administrative Contact]     JP00254249
n. [Technical Contact]          JP00254249
q. [Abuse]                      jh_inov_ict@japanet.co.jp
o. [IMPORT]                     
p. [EXPORT]                     
[Assigned Date]                 2024/03/29
[Last Update]                   2024/03/29 09:02:19(JST)

Last Update: 2026-06-04T04:16:42Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
JPIRR	as-bbix-t	934
RADB	as2497:as-iij	5184
RADB	as-iij	5186
JPIRR	as2497:as-iij	5184
RADB	as-bbix-t	934
JPIRR	as-iij	5186
RADB	as-vectant	227