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	Prefix	Description
	157.109.0.0/16	SEGA SAMMY HOLDINGS INC.
	157.109.160.0/22	SEGA SAMMY HOLDINGS INC.
	2001:df4:53c0::/48	SEGA SAMMY HOLDINGS INC.

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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	✔	✔
	AS17676	SoftBank Corp.	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS2519	ARTERIA Networks Corporation	✔	✔
	AS17676	SoftBank Corp.	✔	✔
	AS6939	Hurricane Electric LLC	✔	✔
	AS150369	TelHi Corporation	✔	✔
	AS20473	The Constant Company, LLC	✔	✔
	AS9002	RETN Limited	✔	✔
	AS59105	Home NOC Operators Group	✔	✔
	AS216211	CYBERVERSE LLC	✔	✔
	AS1828	Unitas Global	✔	✔
	AS2907	Science Information Network	✔	✔
	AS9507	NextHop Pty Ltd	✔	✔
	AS63774	Kamoike.net LLP	✔	✔
	AS4651	The Communications Authority of Thailand (CAT)	✔	✘
	AS2635	Automattic, Inc	✔	✔
	AS138997	Eons Data Communications Limited	✔	✔
	AS60068	Datacamp Limited (CDN77 / DataPacket)	✔	✘
	AS49544	i3D.net B.V	✔	✘
	AS32590	Valve Corporation	✔	✔
	AS24482	SG.GS	✔	✔
	AS2515	Japan Network Information Center	✘	✔
	AS3786	LG DACOM Corporation	✔	✘
	AS23640	BBIX,Inc.	✔	✘
	AS20326	TeraSwitch Networks Inc.	✘	✔

[ 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]                  37919
b. [AS Name]                    SEGASAMMY
g. [Organization]               SEGA SAMMY HOLDINGS INC.
m. [Administrative Contact]     TK63997JP
n. [Technical Contact]          TK63997JP
q. [Abuse]                      
o. [IMPORT]                     from AS2519 100 accept ANY
o. [IMPORT]                     from AS17676 100 accept ANY
p. [EXPORT]                     to AS2519 announce AS37919
p. [EXPORT]                     to AS17676 announce AS37919
[Assigned Date]                 2007/08/03
[Last Update]                   2021/12/15 15:41:11(JST)

Last Update: 2025-07-26T23:17:31Z UTC / (Click here to force a refresh)

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Member of the following AS-SETs

-	Member
RADB	as-ocn
JPIRR	as-ocn
RADB	as-kddcustomer2
JPIRR	as-iij6
RADB	as-bbix-t-v6
JPIRR	as-bbix-t
NTTCOM	as-ocn
JPIRR	as-sega
RADB	as-pacnet-downstream-jp
RADB	as-kdd
RADB	as-telstra-testing-1
JPIRR	as-iij
RADB	as-telstra-intl-customers
RADB	as-iij
LEVEL3	as-level3-origins-na
RADB	as-iij6
JPIRR	as-bbix-t-v6
RADB	as-ipv6_vectant
ARIN	as1239:as-customers
RADB	as-bbix-t
RADB	as-vectant