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	Prefix	Description
	103.2.128.0/22	NTT DOCOMO BUSINESS, Inc.
	115.69.224.0/21	NTT DOCOMO BUSINESS, Inc.
	163.138.224.0/19	Nippon Telegraph and Telephone Corporation
	220.150.192.0/21	NTT DOCOMO BUSINESS, Inc.
	220.150.196.0/24	NTT Communications Corporation
	2402:c800::/32	Japan Network Information Center
	2402:c800:cafe::/48	NTT Communications Corporation

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS2914	NTT America, Inc.	✔	✔
	AS4713	NTT Communications Corporation (OCN)	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS2914	NTT America, Inc.	✔	✔
	AS4713	NTT Communications Corporation (OCN)	✔	✔
	AS6939	Hurricane Electric LLC	✔	✔
	AS20473	The Constant Company, LLC	✔	✔
	AS9002	RETN Limited	✔	✔
	AS216211	CYBERVERSE LLC	✔	✔
	AS2907	Science Information Network	✔	✘
	AS9370	SAKURA Internet Inc.	✔	✔
	AS20485	TransTeleCom JSC	✔	✘
	AS8966	Etisalat (E&)	✔	✘
	AS150363	SoftEther Corporation	✔	✔
	AS4651	The Communications Authority of Thailand (CAT)	✔	✔
	AS17686	ACCELIA	✔	✔
	AS24482	SG.GS	✔	✔
	AS8849	Melbikomas UAB	✔	✔
	AS2635	Automattic, Inc	✔	✔
	AS49544	i3D.net B.V	✔	✔
	AS140627	OneQode	✔	✘
	AS18403	FPT Telecom Company	✔	✘
	AS2515	Japan Network Information Center	✔	✔
	AS153371	BACK WAVES LIMITED	✔	✔
	AS32590	Valve Corporation	✔	✔
	AS55685	PT Jala Lintas Media	✔	✘
	AS18526	DDPS Networks, LLC	✔	✔
	AS215724	Edgevana, Inc.	✔	✘
	AS9299	PLDT (Philippine Long Distance Telephone Company)	✔	✘
	AS7713	PT Telkom Indonesia Tbk	✘	✔

[ 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]                  38639
b. [AS Name]                    HANABI
g. [Organization]               NTT DOCOMO BUSINESS, Inc.
m. [Administrative Contact]     JP00071138
n. [Technical Contact]          JP00071138
q. [Abuse]                      
o. [IMPORT]                     
p. [EXPORT]                     
[Assigned Date]                 2008/06/19
[Last Update]                   2025/07/11 09:57:19(JST)

Last Update: 2026-06-07T03:41:54Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
JPIRR	as-ocn-v6	197
NTTCOM	as-hige	5
JPIRR	as-hanabi	7
NTTCOM	as-ocn	2
NTTCOM	as-ocn-v6	197
NTTCOM	as2914:as-64600-v6	37172
RADB	as-ocn-v6	197
RADB	as-ocn	2
NTTCOM	as-hanabi	7
JPIRR	as-ocn	2