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	Prefix	Description
	61.120.192.0/21	KVH Co.,Ltd.
	61.120.200.0/22	Colt Technology Services Co., Ltd.
	61.120.204.0/23	Colt Technology Services Co., Ltd.
	61.120.206.0/23	Colt Technology Services Co., Ltd.
	61.195.72.0/24	Kyocera Communication Systems Co., Ltd.
	133.148.0.0/16	Mitsubishi Research Institute, Inc.
	192.51.55.0/24	TOYOBO CO., LTD.
	27.110.22.0/23	Colt Technology Services Co., Ltd.
	27.110.24.0/22	Colt Technology Services Co., Ltd.
	27.110.28.0/22	Colt Technology Services Co., Ltd.
	27.110.32.0/20	Colt Technology Services Co., Ltd.
	27.110.48.0/21	Colt Technology Services Co., Ltd.
	27.110.56.0/22	Colt Technology Services Co., Ltd.
	27.110.63.0/24	Colt Technology Services Co., Ltd.
	103.10.39.0/24	ITCNW
	103.23.12.0/22	VERVE Inc
	103.23.222.0/24	IC-LABO-JP
	103.173.237.0/24	bridgeinfotech
	110.50.64.0/21	Colt Technology Services Co., Ltd.
	110.50.72.0/22	Colt Technology Services Co., Ltd.
	110.50.76.0/23	Colt Technology Services Co., Ltd.
	114.31.80.0/21	Colt Technology Services Co., Ltd.
	114.31.88.0/21	Colt Technology Services Co., Ltd.
	117.55.208.0/21	Colt Technology Services Co., Ltd.
	117.55.216.0/21	Colt Technology Services Co., Ltd.
	157.2.40.0/24	Net One Systems Co.,Ltd.
	157.2.101.0/24	Net One Systems Co.,Ltd.
	157.2.120.0/22	Net One Systems Co.,Ltd.
	202.7.96.0/23	Colt Technology Services Co., Ltd.
	202.7.98.0/24	Colt Technology Services Co., Ltd.
	202.7.99.0/24	Colt Technology Services Co., Ltd.
	202.7.100.0/23	Colt Technology Services Co., Ltd.
	202.7.102.0/23	Colt Technology Services Co., Ltd.
	202.7.105.0/24	Colt Technology Services Co., Ltd.
	202.7.106.0/23	Colt Technology Services Co., Ltd.
	202.7.108.0/22	Colt Technology Services Co., Ltd.
	202.95.208.0/23	Colt Technology Services Co., Ltd.
	202.95.210.0/23	Colt Technology Services Co., Ltd.
	202.95.212.0/22	Colt Technology Services Co., Ltd.
	202.95.216.0/23	Colt Technology Services Co., Ltd.
	202.95.220.0/23	Colt Technology Services Co., Ltd.
	202.95.222.0/23	Colt Technology Services Co., Ltd.
	203.167.32.0/21	Colt Technology Services Co., Ltd.
	203.167.40.0/21	Colt Technology Services Co., Ltd.
	203.167.48.0/20	Colt Technology Services Co., Ltd.
	2001:df1:6002::/48	Infineon Technologies Asia Pacific Pte Ltd
	2400:1000::/34	Colt Technology Services Co., Ltd.
	2400:1000:1000::/48	Colt Technology Services Co., Ltd.
	2400:1000:4000::/34	Colt Technology Services Co., Ltd.
	2400:1000:8000::/33	Colt Technology Services Co., Ltd.

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS8220	COLT	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS8220	COLT	✔	✔
	AS17978	SERVCORP AUSTRALIAN HOLDINGS LTD	✔	✘
	AS132827	GATEWAY INC	✔	✘
	AS24507	FFastFill Australia Pty Limited	✔	✘
	AS17088	Currenex, Inc.	✔	✘
	AS131901	FIDESSA KK	✔	✘
	AS25844	Skadden, Arps, Slate, Meagher & Flom LLP	✔	✘
	AS55894	Who's Next	✔	✘
	AS139472	Catalina Marketing Japan K.K.	✔	✘
	AS10780	Pure Storage, INC.	✔	✘
	AS133203	SBI BITS Co., Ltd.	✔	✘
	AS10108	DRESDNER KLEINWORT WASSERSTEIN,	✔	✘
	AS31747	BlackRock Financial Management, Inc.	✔	✘
	AS6619	SamsungSDS Inc.	✔	✘
	AS131903	Nomura Research Institute,Ltd.	✔	✘
	AS137269	Novartis Singapore Pte Ltd	✔	✘
	AS2047	Hoffmann - La Roche Ltd.	✔	✘

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Downstreams

	ASN	Description	IPv4	IPv6
	AS17978	SERVCORP AUSTRALIAN HOLDINGS LTD	✔	✘
	AS24507	FFastFill Australia Pty Limited	✔	✘
	AS132827	GATEWAY INC	✔	✘
	AS131901	FIDESSA KK	✔	✘
	AS55894	Who's Next	✔	✘
	AS139472	Catalina Marketing Japan K.K.	✔	✘
	AS17088	Currenex, Inc.	✔	✘
	AS10780	Pure Storage, INC.	✔	✘
	AS25844	Skadden, Arps, Slate, Meagher & Flom LLP	✔	✘
	AS31747	BlackRock Financial Management, Inc.	✔	✘
	AS10108	DRESDNER KLEINWORT WASSERSTEIN,	✔	✘
	AS133203	SBI BITS Co., Ltd.	✔	✘
	AS131903	Nomura Research Institute,Ltd.	✔	✘
	AS6619	SamsungSDS Inc.	✔	✘
	AS137269	Novartis Singapore Pte Ltd	✔	✘

[ 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,        ]
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Autonomous System Information:
a. [AS Number]                  10021
b. [AS Name]                    KVH
g. [Organization]               KVH Co.,Ltd
m. [Administrative Contact]     KS20321JP
n. [Technical Contact]          TS26848JP
q. [Abuse]                      
o. [IMPORT]                     from AS2516 100 accept ANY
o. [IMPORT]                     from AS2914 100 accept ANY
o. [IMPORT]                     from AS2497 100 accept ANY
p. [EXPORT]                     to AS2516 announce AS10021
p. [EXPORT]                     to AS2914 announce AS10021
p. [EXPORT]                     to AS2497 announce AS10021
[Assigned Date]                 2000/12/20
[Last Update]                   2011/08/05 10:42:14(JST)

Last Update: 2025-12-14T22:46:24Z UTC / (Click here to force a refresh)

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as7473:as-customers:as17977	3
RADB	as-iij	5367
NTTCOM	as2914:as-64600-v6	42902
JPIRR	as-kvh	21
LEVEL3	as-level3-origins-na	0
JPIRR	as-iij	5367
RADB	as-iij6	4738
RADB	as-kvh	21
JPIRR	as-iij6	4738
NTTCOM	as-10021arcstar	36