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	Prefix	Description
	202.11.192.0/20	Doshisha University
	202.23.128.0/18	Doshisha University
	2001:df7:a800::/48	Doshisha University

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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	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	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]                  18267
b. [AS Name]                    DOSHISHA
g. [Organization]               Doshisha University
m. [Administrative Contact]     SI41638JP
n. [Technical Contact]          IT22012JP
q. [Abuse]                      
o. [IMPORT]                     from AS4713 100 accept ANY
o. [IMPORT]                     from AS2907 100 accept ANY
p. [EXPORT]                     to AS4713 announce AS18267
p. [EXPORT]                     to AS2907 announce AS18267
[Assigned Date]                 2002/10/17
[Last Update]                   2023/12/20 10:47:03(JST)

Last Update: 2026-06-06T03:47:41Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
LEVEL3	as-level3-origins-na	0
RIPE	as20965:as-from-tein-to-geant	656
NTTCOM	as-ocn	2
RADB	as-iij	5184
JPIRR	as-ocn-v6	197
NTTCOM	as-ocn-v6	197
JPIRR	as2497:as-iij6	4529
JPIRR	as-iij	5184
RADB	as2497:as-iij6	4529
JPIRR	as-ocn	2
JPIRR	as-iij6	4530
RADB	as-ocn-v6	197
RADB	as2497:as-iij	5182
RADB	as-iij6	4530
JPIRR	as2907:as-sinet	150
RADB	as-wide	52
RADB	as-ocn	2
JPIRR	as2497:as-iij	5182