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	Prefix	Description
	163.135.0.0/16	IPv4 address block not managed by the RIPE NCC
	202.217.0.0/17	NTT DATA CORPORATION
	202.217.72.0/24	NTT DOCOMO,INC.
	202.217.73.0/24	NTT DOCOMO,INC.
	202.217.74.0/24	NTT DOCOMO,INC.
	202.217.75.0/24	NTT DOCOMO,INC.
	202.235.64.0/19	NTT DATA CORPORATION
	202.235.70.0/23	InterVia
	202.235.72.0/23	InterVia
	202.235.96.0/20	NTT DATA CORPORATION
	203.182.0.0/16	NTT DATA CORPORATION
	203.182.17.0/24	InterVia
	203.182.224.0/20	NTT DATA CORPORATION
	203.182.234.0/24	NTT DATA Corporation CardsAndPayments FirstFinancialSector
	203.182.247.0/24	InterVia
	210.144.0.0/16	NTT DATA CORPORATION
	210.144.11.0/24	InterVia
	210.144.21.0/24	InterVia
	210.144.64.0/24	NTT DOCOMO,INC.
	210.144.73.0/24	CAFIS
	210.144.84.0/24	NTT DATA Corporation CardsAndPayments FirstFinancialSector
	210.144.86.0/24	NTT DATA Corporation CardsAndPayments FirstFinancialSector
	210.144.87.0/24	NTT DATA Corporation CardsAndPayments FirstFinancialSector
	210.144.93.0/24	NTT DATA Corporation
	210.144.95.0/24	NTT DATA Corporation
	210.144.109.0/24	NTTDATA Corporation First Financial Sector Card & Pay...
	2001:c80::/32	Japan Network Information Center
	2001:c80:80::/46	NTT DATA CORPORATION
	2001:c80:b000::/36	NTT DATA 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.	✔	✔
	AS2497	Internet Initiative Japan Inc.	✔	✘
	AS4637	Telstra International Limited	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS2914	NTT America, Inc.	✔	✔
	AS2497	Internet Initiative Japan Inc.	✔	✔
	AS4637	Telstra International Limited	✔	✔
	AS17676	SoftBank Corp.	✔	✘
	AS2907	Science Information Network	✔	✘
	AS9607	BroadBand Tower, Inc.	✔	✔
	AS2518	BIGLOBE Inc.	✔	✔
	AS9370	SAKURA Internet Inc.	✔	✘
	AS2515	Japan Network Information Center	✔	✔
	AS2516	KDDI Corporation	✔	✘
	AS17686	ACCELIA	✔	✘
	AS15169	Google LLC	✔	✘

[ 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]                  4673
b. [AS Name]                    INTERVIA
g. [Organization]               NTT DATA CORPORATION
m. [Administrative Contact]     SW2427JP
n. [Technical Contact]          HK153JP
q. [Abuse]                      
o. [IMPORT]                     from AS2914 100 accept ANY
o. [IMPORT]                     from AS3549 100 accept ANY
p. [EXPORT]                     to AS2914 announce AS4673
p. [EXPORT]                     to AS3549 announce AS4673
[Assigned Date]                 1995/07/18
[Last Update]                   2012/11/06 15:29:03(JST)

Last Update: 2025-07-26T22:57:50Z UTC / (Click here to force a refresh)

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-anc	11906
NTTCOM	as2914:as-64600-v6	42949
RADB	as-telstra-intl-customers	12016
ARIN	as-xo-b	58212
RADB	as-hurricanev6	20533
JPIRR	as-iij	5367
NTTCOM	as-ixp2	62
RADB	as-telstra-testing-1	11790
RADB	as-nspixp2	69
NTTCOM	as-intervia	2
RADB	as-iij	5367
JPIRR	as-intervia	2
LEVEL3	as-level3-origins-na	0
RADB	as-kddcustomer2	8206
RADB	as-pacnet	11866
RADB	as-pacnet-downstream-jp	192
RIPE	as3303:as-swcmpeers	787
RADB	as-pacnet-customer-proxy-register	1171
ARIN	as1239:as-customers	4238
RADB	as-vsnl-in	23813