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	Prefix	Description
	157.17.176.0/24	SAKURA Internet Inc.
	219.111.240.0/20	SAKURA Internet Inc.

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS9370	SAKURA Internet Inc.	✔	✘
	AS9371	SAKURA Internet Inc.	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS9370	SAKURA Internet Inc.	✔	✘
	AS9371	SAKURA Internet 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]                  55897
b. [AS Name]                    SAKURA-F
g. [Organization]               SAKURA Internet Inc.
m. [Administrative Contact]     KT749JP
n. [Technical Contact]          JP00072233
q. [Abuse]                      JP00236026
o. [IMPORT]                     
p. [EXPORT]                     
[Assigned Date]                 2016/01/19
[Last Update]                   2025/06/12 15:14:04(JST)

Last Update: 2025-12-14T22:58:49Z UTC / (Click here to force a refresh)

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Member of the following AS-SETs

-	Member	ASN Count
NTTCOM	as-infosphere	150
JPIRR	as-infosphere	150
ARIN	as1239:as-customers	4238
JPIRR	as-infosphere-v6	150
RADB	as-iij	4729
NTTCOM	as-infosphere-v6	150
RADB	as-kddi6	833
RADB	as-kdd	1155
RADB	as-iij6	4101
JPIRR	as-sakura	50
JPIRR	as-iij6	4101
JPIRR	as-iij	4729
RADB	as-sakura	50