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	Prefix	Description
	202.18.64.0/18	Shibaura Institute of Technology
	2001:df3:4c0::/48	Shibaura Institute of Technology

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS2497	Internet Initiative Japan Inc.	✔	✔
	AS2907	Science Information Network	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS2497	Internet Initiative Japan Inc.	✔	✔
	AS2907	Science Information Network	✔	✔

[ 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]                  55910
b. [AS Name]                    SITNET-AS
g. [Organization]               Shibaura Institute of Technology
m. [Administrative Contact]     TW2048JP
n. [Technical Contact]          TW2048JP
q. [Abuse]                      
o. [IMPORT]                     
p. [EXPORT]                     
[Assigned Date]                 2012/07/10
[Last Update]                   2012/07/10 10:21:27(JST)

Last Update: 2026-06-05T04:25:39Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-iij	5198
RIPE	as20965:as-from-tein-to-geant	656
JPIRR	as-iij6	4543
JPIRR	as-iij	5198
JPIRR	as2907:as-sinet	150
JPIRR	as2497:as-iij	5194
RADB	as2497:as-iij6	4541
JPIRR	as2497:as-iij6	4541
RADB	as-iij6	4543
RADB	as2497:as-iij	5194