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	Prefix	Description
	58.147.160.0/21	JR TOKAI Information Systems Company
	58.147.162.0/24	JR TOKAI Information Systems Company
	58.147.163.0/24	JR TOKAI Information Systems Company
	58.147.165.0/24	JR TOKAI Information Systems Company
	58.147.166.0/24	JR TOKAI Information Systems Company
	58.147.167.0/24	JR TOKAI Information Systems Company
	192.218.65.0/24	Central Japan Railway Company
	192.218.66.0/24	Central Japan Railway Company

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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.	✔	✘
	AS2516	KDDI Corporation	✔	✘
	AS4713	NTT Communications Corporation (OCN)	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS2497	Internet Initiative Japan Inc.	✔	✘
	AS2516	KDDI Corporation	✔	✘
	AS4713	NTT Communications Corporation (OCN)	✔	✘

[ 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]                  37891
b. [AS Name]                    JTIS
g. [Organization]               JR TOKAI Information Systems Company
m. [Administrative Contact]     RO1261JP
n. [Technical Contact]          RO1261JP
q. [Abuse]                      
o. [IMPORT]                     
p. [EXPORT]                     
[Assigned Date]                 2006/06/20
[Last Update]                   2006/06/20 10:15:43(JST)

Last Update: 2025-07-26T23:52:14Z UTC / (Click here to force a refresh)

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Member of the following AS-SETs

-	Member	ASN Count
JPIRR	as-iij	5365
RADB	as-ocn	2
NTTCOM	as-ocn	2
RADB	as-iij	5365
JPIRR	as-ocn	2
ARIN	as1239:as-customers	4238
LEVEL3	as-level3-origins-na	0
RADB	as-kdd	1156