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	Prefix	Description
	27.131.240.0/22	CRUST co.,Ltd.
	27.131.244.0/22	CRUST Co., Ltd.
	27.133.248.0/22	SAKURA Internet Inc.
	103.13.152.0/22	YOYOGI NETWORK LIMITED
	103.80.104.0/22	FID Ltd.
	153.121.96.0/21	SAKURA Internet Inc.
	153.121.112.0/22	SAKURA Internet Inc.
	153.121.224.0/20	SAKURA Internet Inc.
	153.121.240.0/21	SAKURA Internet Inc.
	153.121.248.0/22	SAKURA Internet Inc.
	153.121.252.0/23	SAKURA Internet Inc.
	153.121.254.0/24	SAKURA Internet Inc.
	153.125.192.0/19	SAKURA Internet Inc.
	175.28.48.0/22	SAKURA Internet Inc.
	180.131.127.0/24	SAKURA Internet Inc.
	182.54.248.0/21	TRANSNETWORK 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.	✔	✘
	AS17676	SoftBank Corp.	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS9370	SAKURA Internet Inc.	✔	✘
	AS17676	SoftBank Corp.	✔	✘

[ 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]                  59092
b. [AS Name]                    KRONOS
g. [Organization]               kronos.Co.,Ltd.
m. [Administrative Contact]     JP00101032
n. [Technical Contact]          JP00101032
q. [Abuse]                      
o. [IMPORT]                     
p. [EXPORT]                     
[Assigned Date]                 2014/04/14
[Last Update]                   2014/04/14 10:20:34(JST)

Last Update: 2025-07-26T23:16:45Z UTC / (Click here to force a refresh)

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Member of the following AS-SETs

-	Member	ASN Count
JPIRR	as-iij	5284
RADB	as-iij6	4655
RADB	as-kdd	1157
JPIRR	as-iij6	4655
RADB	as-sakura	50
JPIRR	as-gigainfra	1291
ARIN	as1239:as-customers	4238
RADB	as-iij	5284
JPIRR	as-sakura	50
RADB	as-gigainfra	1291