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	Prefix	Description
	133.41.0.0/16	Hiroshima University
	150.19.0.0/16	Japan Network Information Center
	165.242.0.0/16	Hiroshima City University
	202.15.112.0/22	NTT business Solutions corporation
	202.245.144.0/24	Hiroshima Bunka Gakuen University
	202.249.192.0/19	NTT BUSINESS SOLUTIONS CORPORATION
	202.249.200.0/22	The City of Hiroshima
	202.249.204.0/24	NTT business Solutions corporation.
	202.249.206.0/24	NTT BUSINESS SOLUTIONS CORPORATION
	202.249.207.0/24	NTT business Solutions corporation.
	202.249.208.0/24	NTT BUSINESS SOLUTIONS CORPORATION
	202.249.214.0/24	NTT business Solutions corporation.
	202.249.224.0/19	NTT BUSINESS SOLUTIONS CORPORATION
	202.249.236.0/24	NTT business Solutions corporation.
	202.249.237.0/24	NTT business Solutions corporation.
	2001:44a0::/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	✔	✔
	AS7671	NTT SmartConnect Corporation	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS2907	Science Information Network	✔	✔
	AS7671	NTT SmartConnect Corporation	✔	✔

[ 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]                  2506
b. [AS Name]                    SuperCSI
g. [Organization]               NTT business Solutions corporation
m. [Administrative Contact]     JP00026722
n. [Technical Contact]          JP00026722
q. [Abuse]                      
o. [IMPORT]                     
p. [EXPORT]                     
[Assigned Date]                 
[Last Update]                   2026/01/09 09:03:50(JST)

Last Update: 2026-05-07T03:58:34Z UTC

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Member of the following AS-SETs

-	Member
NTTCOM	as-ocn
JPIRR	as-pwd
JPIRR	as-ocn
JPIRR	as-iij6
JPIRR	as-ocn-v6
RADB	as-iij6
RADB	as-pwd
NTTCOM	as-mcnet
LEVEL3	as-level3-origins-na
NTTCOM	as-ocn-v6
RADB	as-wide
RADB	as-iij
JPIRR	as-mcnet
JPIRR	as2907:as-sinet
RADB	as2497:as-iij6
RIPE	as20965:as-from-tein-to-geant
JPIRR	as-iij
RADB	as-ocn-v6
JPIRR	as2497:as-iij
RADB	as-kdddmpeer
RADB	as2497:as-iij
RADB	as-ocn
JPIRR	as2497:as-iij6