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	Prefix	Description
	103.2.24.0/22	YAMATO SYSTEM DEVELOPMENT CO., LTD.
	202.130.60.0/22	YAMATO SYSTEM DEVELOPMENT CO., LTD.
	218.40.0.0/20	YAMATO SYSTEM DEVELOPMENT CO., LTD.
	219.100.32.0/22	YAMATO SYSTEM DEVELOPMENT CO., LTD.
	2400:7b00::/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
	AS2497	Internet Initiative Japan Inc.	✔	✔
	AS2516	KDDI Corporation	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS2497	Internet Initiative Japan Inc.	✔	✔
	AS2516	KDDI 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]                  17693
b. [AS Name]                    NEKONET
g. [Organization]               YAMATO SYSTEM DEVELOPMENT CO., LTD.
m. [Administrative Contact]     YK16828JP
n. [Technical Contact]          KN9383JP
q. [Abuse]                      
o. [IMPORT]                     from AS4725 100 accept ANY
o. [IMPORT]                     from AS4716 100 accept ANY
o. [IMPORT]                     from AS10010 100 accept ANY
p. [EXPORT]                     to AS4725 announce AS17693
p. [EXPORT]                     to AS4716 announce AS17693
p. [EXPORT]                     to AS10010 announce AS17693
[Assigned Date]                 2001/08/06
[Last Update]                   2008/11/17 16:55:41(JST)

Last Update: 2025-07-09T23:39:21Z UTC / (Click here to force a refresh)

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Member of the following AS-SETs

-	Member
JPIRR	as-pwd
JPIRR	as-infosphere-v6
RADB	as-pacnet-customer-proxy-register
NTTCOM	as-bbx-peers
ARIN	as-xo-b
RADB	as-iij
RADB	as-gigainfra
RADB	as-kddi6
JPIRR	as-bbx-peers
RADB	as-iij6
NTTCOM	as-infosphere-v6
JPIRR	as-iij6
LEVEL3	as-sprint-origins
NTTCOM	as-infosphere
NTTCOM	as-17697arcstar
ARIN	as1239:as-customers
JPIRR	as-infosphere
RADB	as-hurricanev6
RADB	as-pwd
JPIRR	as-gigainfra
LEVEL3	as-level3-origins-na
JPIRR	as-iij
RADB	as-kdd