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	Prefix	Description
	27.122.8.0/22	Kyushu Tele Communications Company
	61.44.224.0/20	Kyushu Tele Communications Company
	61.44.234.0/23	Kyushu Tele Communications Company
	61.44.236.0/22	Kyushu Tele Communications Company
	61.44.240.0/20	Kyushu Tele Communications Company
	61.44.240.0/23	Kyushu Tele Communications Company
	61.44.243.0/24	Kyushu Tele Communications Company
	61.44.244.0/22	Kyushu Tele Communications Company
	61.44.247.0/24	Kyushu Tele Communications Company
	61.44.248.0/21	Kyushu Tele Communications Company
	110.172.32.0/20	Kyushu Tele Communications Company
	110.172.32.0/21	Kyushu Tele Communications Company
	110.172.40.0/21	Kyushu Tele Communications Company
	112.137.144.0/20	Kyushu Tele Communications Company
	112.137.144.0/23	Kyushu Tele Communications Company
	112.137.144.0/21	Kyushu Tele Communications Company
	112.137.146.0/23	Kyushu Tele Communications Company
	112.137.152.0/22	Kyushu Tele Communications Company
	112.137.152.0/21	Kyushu Tele Communications Company
	112.137.158.0/23	Kyushu Tele Communications Company
	114.141.32.0/21	Kyushu Tele Communications Company
	114.141.32.0/22	Kyushu Tele Communications Company
	114.141.36.0/24	Kyushu Tele Communications Company
	114.141.37.0/24	Kyushu Tele Communications Company
	120.50.168.0/22	Kyushu Tele Communications Company
	120.50.172.0/22	Kyushu Tele Communications Company
	123.242.208.0/23	Kyushu Tele Communications Company
	123.242.208.0/21	Kyushu Tele Communications Company
	123.242.210.0/24	Kyushu Tele Communications Company
	175.103.8.0/22	Kyushu Tele Communications Company
	202.126.240.0/20	Kyushu Tele Communications Company
	202.126.240.0/22	Kyushu Tele Communications Company
	202.126.244.0/23	Kyushu Tele Communications Company
	202.126.246.0/24	Kyushu Tele Communications Company
	202.126.247.0/24	Kyushu Tele Communications Company
	202.126.248.0/21	Kyushu Tele Communications Company
	202.126.248.0/22	Kyushu Tele Communications Company
	203.205.96.0/21	Kyushu Tele Communications Company
	203.205.96.0/20	Kyushu Tele Communications Company
	203.205.104.0/21	Kyushu Tele Communications Company
	203.222.208.0/22	Kyushu Tele Communications Company
	203.222.208.0/20	Kyushu Tele Communications Company
	203.222.212.0/23	Kyushu Tele Communications Company
	203.222.214.0/23	Kyushu Tele Communications Company
	203.222.216.0/22	Kyushu Tele Communications Company
	203.222.220.0/22	Kyushu Tele Communications Company
	219.103.112.0/20	Kyushu Tele Communications Company
	219.103.112.0/21	Sasebo Cable Television
	219.117.48.0/20	Kyushu Tele Communications Company
	219.117.52.0/22	Sasebo Cable Television
	2404:1900::/32	Japan Network Information Center

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS2516	KDDI Corporation	✔	✔
	AS4713	NTT Communications Corporation (OCN)	✔	✔
	AS17676	SoftBank Corp.	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS2516	KDDI Corporation	✔	✔
	AS4713	NTT Communications Corporation (OCN)	✔	✔
	AS6939	Hurricane Electric LLC	✔	✘
	AS45677	Isahaya Cable Media Co.,Ltd	✔	✔
	AS17676	SoftBank Corp.	✔	✔
	AS150369	TelHi Corporation	✔	✔
	AS59105	Home NOC Operators Group	✔	✔
	AS2635	Automattic, Inc	✔	✔
	AS35280	F5 Networks SARL	✔	✘
	AS55900	GLBB Japan KK	✔	✘
	AS2907	Science Information Network	✔	✔
	AS15169	Google LLC	✔	✔
	AS3786	LG DACOM Corporation	✔	✘
	AS1828	Unitas Global	✘	✔

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Downstreams

	ASN	Description	IPv4	IPv6
	AS45677	Isahaya Cable Media Co.,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,        ]
[ add '/e' at the end of command, e.g. 'whois -h whois.nic.ad.jp xxx/e'.      ]

Autonomous System Information:
a. [AS Number]                  18092
b. [AS Name]                    CSF
g. [Organization]               Kyushu Tele Communications Company
m. [Administrative Contact]     NS1881JP
n. [Technical Contact]          HK5776JP
q. [Abuse]                      
o. [IMPORT]                     from AS2497 100 accept ANY
o. [IMPORT]                     from AS7679 100 accept ANY
p. [EXPORT]                     to AS2497 announce AS18092
p. [EXPORT]                     to AS7679 announce AS18092
[Assigned Date]                 2002/03/26
[Last Update]                   2005/07/14 10:43:59(JST)

Last Update: 2024-05-05T21:58:15Z UTC / (Click here to force a refresh)

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Member of the following AS-SETs

-	Member
RADB	as-bbix-t
JPIRR	as-ocn
RADB	as-iij
RADB	as-ocn
NTTCOM	as-ocn
JPIRR	as-gigainfra
NTTCOM	as-infosphere-v6
RADB	as-vectant
RADB	as-kddi6
RADB	as-kdd
RADB	as-gigainfra
JPIRR	as-bbix-t-v6
NTTCOM	as-csf
RADB	as-ocn-v6
RADB	as-iij6
NTTCOM	as-ocn-v6
JPIRR	as-iij6
NTTCOM	as-bbx-peers
LEVEL3	as-level3-origins-na
JPIRR	as-iij
RADB	as-bbix-t-v6
JPIRR	as-bbix-t
JPIRR	as-bbx-peers
NTTCOM	as-infosphere
JPIRR	as-infosphere
RADB	as-hurricanev6
ARIN	as1239:as-customers
JPIRR	as-ocn-v6
JPIRR	as-infosphere-v6