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	Prefix	Description
	202.213.32.0/20	RYOMO SYSTEMS CO.,LTD.
	115.166.224.0/19	RYOMO SYSTEMS CO.,LTD.
	115.167.128.0/17	RYOMO SYSTEMS CO.,LTD.

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS10010	TOKAI Communications Corporation	✔	✘
	AS4713	NTT Communications Corporation (OCN)	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS10010	TOKAI Communications 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]                  23785
b. [AS Name]                    SUNFIELD
g. [Organization]               SUN FIELD INTERNET LIMITED
m. [Administrative Contact]     FI042JP
n. [Technical Contact]          KT5752JP
q. [Abuse]                      
o. [IMPORT]                     from AS2510 100 accept ANY
o. [IMPORT]                     from AS2516 100 accept ANY
p. [EXPORT]                     to AS2510 announce AS23785
p. [EXPORT]                     to AS2516 announce AS23785
[Assigned Date]                 2003/10/02
[Last Update]                   2003/10/02 15:08:44(JST)

Last Update: 2024-03-07T12:04:51Z UTC / (Click here to force a refresh)

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Member of the following AS-SETs

-	Member
ARIN	as1239:as-customers
JPIRR	as-bbx-peers
JPIRR	as-iij
RADB	as-telstra-testing-1
NTTCOM	as-infosphere
JPIRR	as-infosphere-v6
RADB	as-anc-customer-proxy-register
NTTCOM	as-ocn
RADB	as-iij6
RADB	as3491:as-customers-ap
NTTCOM	as-infosphere-v6
RADB	as-telstra-intl-customers-4637
JPIRR	as-infosphere
LEVEL3	as-level3-origins-na
RADB	as-iij
JPIRR	as-gigainfra
JPIRR	as-tokai
RADB	as-tokai
JPIRR	as-ocn
RADB	as-kddi6
JPIRR	as-mesh-customer:as10010
RADB	as-kdd
JPIRR	as-iij6
ARIN	as-xo-b
RADB	as-telstra-intl-customers
RADB	as-ocn
RADB	as-mesh-customer:as10010
NTTCOM	as-bbx-peers
RADB	as-gigainfra
RADB	as-pacnet-customer-proxy-register