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	Prefix	Description
	131.112.0.0/16	National University Corporation Institute of Science Tokyo
	131.112.254.0/24	National University Corporation Institute of Science Tokyo
	2403:4440::/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
	AS2907	Science Information Network	✔	✔
	AS2500	WIDE Project	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS2907	Science Information Network	✔	✔
	AS2500	WIDE Project	✔	✘

[ 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]                  9367
b. [AS Name]                    ISCT
g. [Organization]               Institute of Science Tokyo
m. [Administrative Contact]     JP00095425
n. [Technical Contact]          JP00095425
q. [Abuse]                      
o. [IMPORT]                     from AS2500 100 accept ANY
o. [IMPORT]                     from AS2907 100 accept ANY
p. [EXPORT]                     to AS2500 announce AS9367
p. [EXPORT]                     to AS2907 announce AS9367
[Assigned Date]                 1999/06/11
[Last Update]                   2024/12/06 16:05:45(JST)

Last Update: 2026-05-06T04:15:00Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-bbix-t-v6	731
JPIRR	as-iij6	4489
RADB	as-iij	5136
ARIN	as293:as-from-transpac-to-esnet	532
NTTCOM	as-livedoor	2
RADB	as-2500-2914	33
RADB	as-ocn	2
JPIRR	as-ocn	2
RADB	as-wide	52
JPIRR	as-bbix-t-v6	731
JPIRR	as-bbix-t	850
RADB	as-bbix-t	850
NTTCOM	as-2500arcstar	9
RADB	as-iij6	4489
RADB	as2500:as-transit	25
JPIRR	as2907:as-sinet	150
RIPE	as20965:as-from-tein-to-geant	656
LEVEL3	as-level3-origins-na	0
NTTCOM	as-ocn	2
JPIRR	as-iij	5136