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If you are scraping this block for the prefixes that a AS originates, please use the data dumps in https://bgp.tools/kb/api and cache them

	Prefix	Description
	118.151.224.0/19	LY Corporation
	182.22.0.0/17	LY Corporation
	202.93.64.0/19	LY Corporation
	202.239.0.0/20	LY Corporation
	203.141.32.0/20	LY Corporation
	203.216.224.0/19	LY Corporation
	211.14.12.0/22	LY Corporation
	2404:a600::/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	✔	✔
	AS4713	NTT Communications Corporation (OCN)	✔	✔
	AS17676	SoftBank Corp.	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS2497	Internet Initiative Japan Inc.	✔	✔
	AS55898	LY Corporation	✔	✔
	AS2516	KDDI Corporation	✔	✔
	AS24296	LY Corporation	✔	✘
	AS6939	Hurricane Electric LLC	✔	✘
	AS17676	SoftBank Corp.	✔	✔
	AS18140	LY Corporation	✔	✘
	AS4713	NTT Communications Corporation (OCN)	✔	✔
	AS150369	TelHi Corporation	✔	✔
	AS20473	The Constant Company, LLC	✔	✔
	AS8220	COLT	✔	✔
	AS8966	Etisalat (E&)	✔	✘
	AS59105	Home NOC Operators Group	✔	✔
	AS2635	Automattic, Inc	✔	✔
	AS9002	RETN Limited	✔	✔
	AS216211	CYBERVERSE LLC	✔	✔
	AS199524	Gcore S.A.	✔	✔
	AS1828	PacketFabric / Unitas Global	✔	✔
	AS9507	NextHop Pty Ltd	✔	✘
	AS63774	Kamoike.net LLP	✔	✔
	AS4651	The Communications Authority of Thailand (CAT)	✔	✔
	AS49544	i3D.net B.V	✔	✔
	AS2515	Japan Network Information Center	✔	✔
	AS8849	Melbikomas UAB	✔	✔
	AS15412	Flag Telecom UK Limited	✔	✘
	AS45701	PT Internet Madju Abad Milenindo	✔	✘
	AS138997	Eons Data Communications Limited	✔	✔
	AS2907	Science Information Network	✔	✔
	AS58453	China Mobile International	✘	✔
	AS18526	DDPS Networks, LLC	✔	✔
	AS38158	PT Cyberindo Aditama	✔	✔
	AS101	University of Washington	✔	✔
	AS24482	SG.GS	✔	✔
	AS32590	Valve Corporation	✔	✔
	AS36236	NetActuate, Inc	✔	✔
	AS9299	PLDT (Philippine Long Distance Telephone Company)	✔	✘
	AS55685	PT Jala Lintas Media	✔	✘
	AS60068	Datacamp Limited (CDN77 / DataPacket)	✔	✘
	AS153371	BACK WAVES LIMITED	✔	✘
	AS138121	PT Mora Telematika Indonesia Tbk	✔	✘
	AS137367	PT iForte Solusi Infotek	✔	✘
	AS23815	Japan Internet Xing Co., Ltd.	✔	✘
	AS215724	Edgevana, Inc.	✔	✘
	AS150363	SoftEther Corporation	✘	✔
	AS15169	Google LLC	✔	✔
	AS63927	RISE	✔	✘
	AS131898	LY Corporation	✔	✘

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Downstreams

	ASN	Description	IPv4	IPv6
	AS55898	LY Corporation	✔	✔
	AS24296	LY Corporation	✔	✘
	AS18140	LY 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]                  23816
b. [AS Name]                    YAHOO
g. [Organization]               LY Corporation
m. [Administrative Contact]     JP00032461
n. [Technical Contact]          JP00032461
q. [Abuse]                      
o. [IMPORT]                     
p. [EXPORT]                     
[Assigned Date]                 2004/06/22
[Last Update]                   2025/06/18 07:44:11(JST)

Last Update: 2026-05-06T03:45:14Z UTC

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Member of the following AS-SETs

-	Member
RADB	as-gigainfra
RADB	as-ocn-v6
JPIRR	as-gigainfra-v6
RADB	as-ocn
RADB	as-yahoo-jp
RADB	as-anc-customer-proxy-register
RADB	as-iij6
LEVEL3	as-level3-origins-na
JPIRR	as-gigainfra
ARIN	as-xo-b
RADB	as-gigainfra-v6
NTTCOM	as-ocn
JPIRR	as-ocn-v6
RADB	as-pacnet-customer-proxy-register
RADB	as-kddi6
RADB	as-iij
NTTCOM	as2914:as-64600-v6
JPIRR	as-iij
JPIRR	as-ocn
RADB	as-hurricanev6
RADB	as-kdd
NTTCOM	as-ocn-v6
RADB	as-yahoo-jp-v6
JPIRR	as-iij6