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	Prefix	Description
	133.105.0.0/17	Japan Weather Association
	133.105.0.0/16	Japan Weather Association
	133.105.128.0/17	Japan Weather Association
	133.105.160.0/23	Japan Weather Association
	192.51.39.0/24	Japan Weather Association
	2001:df0:2ca::/48	Japan Weather Association

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS2519	ARTERIA Networks Corporation	✔	✔
	AS2497	Internet Initiative Japan Inc.	✔	✔
	AS2914	NTT America, Inc.	✔	✔
	AS2907	Science Information Network	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS2519	ARTERIA Networks Corporation	✔	✔
	AS2497	Internet Initiative Japan Inc.	✔	✔
	AS2914	NTT America, Inc.	✔	✔
	AS2907	Science Information Network	✔	✔

[ 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]                  17944
b. [AS Name]                    JWA
g. [Organization]               Japan Weather Association
m. [Administrative Contact]     JP00165291
n. [Technical Contact]          JP00165291
n. [Technical Contact]          YO36935JP
n. [Technical Contact]          SS299JP
q. [Abuse]                      
o. [IMPORT]                     from AS2907 100 accept ANY
o. [IMPORT]                     from AS4725 100 accept ANY
p. [EXPORT]                     to AS2907 announce AS17944
p. [EXPORT]                     to AS4725 announce AS17944
[Assigned Date]                 2001/11/19
[Last Update]                   2019/02/14 11:11:03(JST)

Last Update: 2025-07-09T23:34:10Z UTC / (Click here to force a refresh)

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Member of the following AS-SETs

-	Member
NTTCOM	as-ocn
RIPE	as20965:as-from-tein-to-geant
RADB	as-ipv6_vectant
JPIRR	as2907:as-sinet
RADB	as-iij6
RADB	as-vectant
ARIN	as1239:as-customers
RADB	as-hurricanev6
JPIRR	as-iij
RADB	as-kddi6
JPIRR	as-ocn
RADB	as-wide
RADB	as-kdd
RADB	as-telstra-testing-1
RADB	as-kddcustomer2
JPIRR	as-iij6
RADB	as-ocn
LEVEL3	as-level3-origins-na
NTTCOM	as2914:as-asia-v6
RADB	as-telstra-intl-customers
RADB	as-iij
RADB	as-pacnet-downstream-jp
NTTCOM	as2914:as-asia