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	Prefix	Description
	101.50.60.0/22	Kansai Broadband Corp.
	101.53.104.0/21	Kansai Broadband Corp.
	103.53.120.0/22	SYNAPSE Co.,Ltd.
	103.208.96.0/22	Kansai Broadband Corp.
	110.92.32.0/19	SYNAPSE Co.,Ltd.
	124.146.64.0/19	SYNAPSE Co.,Ltd.
	124.146.96.0/19	SYNAPSE Co.,Ltd.
	202.79.0.0/22	Kansai Broadband Corp.
	202.79.8.0/22	Kansai Broadband Corp.
	202.79.12.0/22	Kansai Broadband Corp.
	202.95.32.0/19	SYNAPSE Co.,Ltd.
	202.208.160.0/19	SYNAPSE Co.,Ltd.
	203.111.192.0/20	SYNAPSE Co.,Ltd.
	203.140.160.0/20	SYNAPSE Co.,Ltd.
	203.145.96.0/20	SYNAPSE Co.,Ltd.
	203.147.112.0/20	SYNAPSE Co.,Ltd.
	210.146.80.0/20	SYNAPSE Co.,Ltd.
	210.237.32.0/19	SYNAPSE Co.,Ltd.
	219.100.8.0/22	SYNAPSE Co.,Ltd.
	2401:c800::/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
	AS2519	ARTERIA Networks Corporation	✔	✔
	AS2518	BIGLOBE Inc.	✔	✔
	AS17676	SoftBank Corp.	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS2519	ARTERIA Networks Corporation	✔	✔
	AS2518	BIGLOBE Inc.	✔	✔
	AS17676	SoftBank Corp.	✔	✔
	AS6939	Hurricane Electric LLC	✔	✘
	AS24940	Hetzner Online GmbH	✔	✔
	AS20473	The Constant Company, LLC	✔	✔
	AS4637	Telstra Global	✔	✔
	AS2635	Automattic, Inc	✔	✔
	AS150369	TelHi Corporation	✔	✔
	AS9002	RETN Limited	✔	✔
	AS8220	COLT	✔	✔
	AS59105	Home NOC Operators Group	✔	✔
	AS138997	Eons Data Communications Limited	✔	✔
	AS1828	Unitas Global	✔	✔
	AS13335	Cloudflare, Inc.	✔	✔
	AS4651	The Communications Authority of Thailand (CAT)	✔	✘
	AS49544	i3D.net B.V	✔	✔
	AS135607	Infinivan Incorporated	✔	✘
	AS38195	Superloop	✔	✘
	AS153371	BACK WAVES LIMITED	✔	✘
	AS8966	Etisalat (ETC)	✔	✘
	AS14907	Wikimedia Foundation Inc.	✔	✔
	AS18526	DDPS Networks, LLC	✔	✔
	AS17639	Converge ICT Solutions Inc.	✔	✔
	AS2515	Japan Network Information Center	✔	✔
	AS15169	Google LLC	✔	✔
	AS134835	Starry Network Limited	✔	✔
	AS36236	NetActuate, Inc	✔	✔
	AS24482	SG.GS	✔	✔
	AS9505	Taiwan Internet Gateway	✔	✘
	AS20485	JSC TransTeleKom	✔	✘
	AS45701	PT Internet Madju Abad Milenindo	✔	✘
	AS138121	PT Mora Telematika Indonesia Tbk	✔	✘
	AS9583	Sify Limited	✔	✘
	AS60068	Datacamp Limited (CDN77 / DataPacket)	✔	✘
	AS140627	OneQode	✔	✘
	AS137409	GSL Networks Pty LTD	✘	✔
	AS7713	PT Telkom Indonesia Tbk	✘	✔
	AS58453	China Mobile International	✘	✔
	AS2907	Science Information Network	✘	✔
	AS9886	CTCSCI TECH LIMITED	✘	✔
	AS45796	UIH / BB Connect	✘	✔
	AS9304	HGC Global Communications Limited	✘	✔

[ 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]                  7511
b. [AS Name]                    SYNAPSE
g. [Organization]               SYNAPSE Co.,Ltd.
m. [Administrative Contact]     JP00146894
n. [Technical Contact]          JP00146894
q. [Abuse]                      
o. [IMPORT]                     
p. [EXPORT]                     
[Assigned Date]                 1997/05/20
[Last Update]                   2017/05/22 16:11:26(JST)

Last Update: 2024-05-05T22:05:30Z UTC / (Click here to force a refresh)

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Member of the following AS-SETs

-	Member
JPIRR	as-jpirr-all
JPIRR	as-iij
RADB	as-kddcustomer2
JPIRR	as-odn-v6
JPIRR	as-odn
RADB	as-vectant
RADB	as-iij6
RADB	as-hurricanev6
RADB	as-mesh-customer:as7511
JPIRR	as7511:as-synapse-ipv6
JPIRR	as-mcnet
NTTCOM	as-mcnet
RADB	as-tmnet-peers
RADB	as-bbix-t
RADB	as-telstra-testing-1
RADB	as-odn-v6
RADB	as-ipv6_vectant
JPIRR	as-iij6
JPIRR	as-bbix-t-v6
RADB	as-kdd
JPIRR	as7511:as-synapse
RADB	as-iij
RADB	as-bbix-t-v6
JPIRR	as-mesh-customer:as7511
RADB	as-kdddmpeer
RADB	as7511:as-synapse-ipv6
RADB	as-kddi6
ARIN	as1239:as-customers
JPIRR	as-bbix-t
RADB	as7511:as-synapse
RADB	as-odn