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	Prefix	Description
	219.100.132.0/22	TOSHIMA CABLE NETWORK CO.,LTD
	103.40.128.0/22	TOSHIMA CABLE NETWORK CO.,LTD
	202.140.192.0/20	TOSHIMA CABLE NETWORK CO.,LTD
	202.140.192.0/19	TOSHIMA CABLE NETWORK CO.,LTD
	202.140.208.0/20	TOSHIMA CABLE NETWORK CO.,LTD
	220.152.96.0/21	TOSHIMA CABLE NETWORK CO.,LTD
	220.152.96.0/20	TOSHIMA CABLE NETWORK CO.,LTD
	220.152.104.0/21	TOSHIMA CABLE NETWORK CO.,LTD

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

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

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Peers

	ASN	Description	IPv4	IPv6
	AS4713	NTT Communications Corporation (OCN)	✔	✘
	AS6939	Hurricane Electric LLC	✔	✘
	AS9002	RETN Limited	✔	✘
	AS20473	The Constant Company, LLC	✔	✘
	AS8966	Etisalat (ETC)	✔	✘
	AS2907	Science Information Network	✔	✘
	AS20485	TransTeleCom JSC	✔	✘
	AS9370	SAKURA Internet Inc.	✔	✘
	AS4651	The Communications Authority of Thailand (CAT)	✔	✘
	AS2635	Automattic, Inc	✔	✘
	AS60068	Datacamp Limited (CDN77 / DataPacket)	✔	✘
	AS140627	OneQode	✔	✘
	AS2515	Japan Network Information Center	✔	✘
	AS49544	i3D.net B.V	✔	✘
	AS32590	Valve Corporation	✔	✘
	AS153371	BACK WAVES LIMITED	✔	✘
	AS23815	Japan Internet Xing Co., Ltd.	✔	✘
	AS55685	PT Jala Lintas Media	✔	✘
	AS24482	SG.GS	✔	✘
	AS15169	Google LLC	✔	✘
	AS18526	DDPS Networks, LLC	✔	✘
	AS9299	PLDT (Philippine Long Distance Telephone Company)	✔	✘
	AS8849	Melbikomas UAB	✔	✘
	AS17686	ACCELIA	✔	✘

[ 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]                  23808
b. [AS Name]                    TOSHIMA-NET
g. [Organization]               TOSHIMA CABLE NETWORK CO.,LTD
m. [Administrative Contact]     HU1509JP
n. [Technical Contact]          KK16253JP
q. [Abuse]                      
o. [IMPORT]                     from AS2516 100 accept ANY
o. [IMPORT]                     from AS4725 100 accept ANY
p. [EXPORT]                     to AS2516 announce AS23808
p. [EXPORT]                     to AS4725 announce AS23808
[Assigned Date]                 2004/03/19
[Last Update]                   2006/04/13 17:02:07(JST)

Last Update: 2024-04-11T04:17:37Z UTC / (Click here to force a refresh)

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Member of the following AS-SETs

-	Member	ASN Count
NTTCOM	as-ocn	2
RADB	as-ocn	2
JPIRR	as-ocn	2
LEVEL3	as-level3-origins-na	0
NTTCOM	as2914:as-asia	75462
NTTCOM	as23808:as-toshima	1