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	Prefix	Description
	133.26.0.0/17	Meiji University
	133.26.0.0/16	Meiji University
	133.26.128.0/17	Meiji 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	✔	✘
	AS2497	Internet Initiative Japan Inc.	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS2907	Science Information Network	✔	✘
	AS2497	Internet Initiative Japan 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]                  131919
b. [AS Name]                    MEIJI-NET
g. [Organization]               Meiji University
m. [Administrative Contact]     JP00148502
n. [Technical Contact]          JP00148502
q. [Abuse]                      
o. [IMPORT]                     
p. [EXPORT]                     
[Assigned Date]                 2017/06/02
[Last Update]                   2017/06/02 10:32:44(JST)

Last Update: 2026-06-04T03:47:09Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RIPE	as20965:as-from-tein-to-geant	656
RADB	as2497:as-iij6	4543
JPIRR	as-iij6	4546
JPIRR	as2497:as-iij6	4543
RADB	as-iij6	4546
JPIRR	as2907:as-sinet	150
JPIRR	as-iij	5201
RADB	as2497:as-iij	5197
RADB	as-iij	5201
JPIRR	as2497:as-iij	5197