18092 CSF Kyushu Tele Communications Company, JP
Adjacency: 5 Upstream: 4 Downstream: 1
Upstream Adjacent AS list
AS17676 GIGAINFRA SoftBank Corp., JP
AS6939 HURRICANE, US
AS2516 KDDI KDDI CORPORATION, JP
AS4713 OCN NTT Communications Corporation, JP
Downstream Adjacent AS list
AS45677 ICV Isahaya Cable Media Co.,Ltd, JP
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 2727 AS18092 ORIGIN Originate: 80128 /15.71 Transit: 0 /0.00 CSF Kyushu Tele Communications Company, JP
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 1600 AS18092 CSF Kyushu Tele Communications Company, JP 50 39 2 13 37 74.00% Prefix AS Path Aggregation Suggestion 27.122.8.0/22 6939 18092 61.44.224.0/19 6939 18092 + Announce - aggregate of 61.44.224.0/20 (6939 18092) and 61.44.240.0/20 (6939 18092) 61.44.224.0/20 6939 18092 - Withdrawn - aggregated with 61.44.240.0/20 (6939 18092) 61.44.234.0/23 6939 18092 - Withdrawn - matching aggregate 61.44.224.0/20 6939 18092 61.44.236.0/22 6939 18092 - Withdrawn - matching aggregate 61.44.224.0/20 6939 18092 61.44.240.0/20 6939 18092 - Withdrawn - aggregated with 61.44.224.0/20 (6939 18092) 61.44.240.0/23 6939 18092 - Withdrawn - matching aggregate 61.44.240.0/20 6939 18092 61.44.243.0/24 6939 18092 - Withdrawn - matching aggregate 61.44.240.0/20 6939 18092 61.44.244.0/22 6939 18092 - Withdrawn - matching aggregate 61.44.240.0/20 6939 18092 61.44.247.0/24 6939 18092 - Withdrawn - matching aggregate 61.44.240.0/20 6939 18092 61.44.248.0/21 6939 18092 - Withdrawn - matching aggregate 61.44.240.0/20 6939 18092 110.172.32.0/20 6939 18092 110.172.32.0/21 6939 18092 - Withdrawn - matching aggregate 110.172.32.0/20 6939 18092 110.172.40.0/21 6939 18092 - Withdrawn - matching aggregate 110.172.32.0/20 6939 18092 112.137.144.0/20 6939 18092 112.137.144.0/21 6939 18092 - Withdrawn - matching aggregate 112.137.144.0/20 6939 18092 112.137.144.0/23 6939 18092 - Withdrawn - matching aggregate 112.137.144.0/20 6939 18092 112.137.146.0/23 6939 18092 - Withdrawn - matching aggregate 112.137.144.0/20 6939 18092 112.137.152.0/21 6939 18092 - Withdrawn - matching aggregate 112.137.144.0/20 6939 18092 112.137.152.0/22 6939 18092 - Withdrawn - matching aggregate 112.137.144.0/20 6939 18092 112.137.158.0/23 6939 18092 - Withdrawn - matching aggregate 112.137.144.0/20 6939 18092 114.141.32.0/21 6939 18092 114.141.32.0/22 6939 18092 - Withdrawn - matching aggregate 114.141.32.0/21 6939 18092 114.141.36.0/24 6939 18092 - Withdrawn - matching aggregate 114.141.32.0/21 6939 18092 114.141.37.0/24 6939 18092 - Withdrawn - matching aggregate 114.141.32.0/21 6939 18092 120.50.168.0/21 6939 18092 + Announce - aggregate of 120.50.168.0/22 (6939 18092) and 120.50.172.0/22 (6939 18092) 120.50.168.0/22 6939 18092 - Withdrawn - aggregated with 120.50.172.0/22 (6939 18092) 120.50.172.0/22 6939 18092 - Withdrawn - aggregated with 120.50.168.0/22 (6939 18092) 123.242.208.0/21 6939 18092 123.242.208.0/23 6939 18092 - Withdrawn - matching aggregate 123.242.208.0/21 6939 18092 123.242.210.0/24 6939 18092 - Withdrawn - matching aggregate 123.242.208.0/21 6939 18092 175.103.8.0/22 6939 18092 202.126.240.0/20 6939 18092 202.126.240.0/22 6939 18092 - Withdrawn - matching aggregate 202.126.240.0/20 6939 18092 202.126.244.0/23 6939 18092 - Withdrawn - matching aggregate 202.126.240.0/20 6939 18092 202.126.246.0/24 6939 18092 - Withdrawn - matching aggregate 202.126.240.0/20 6939 18092 202.126.247.0/24 6939 18092 - Withdrawn - matching aggregate 202.126.240.0/20 6939 18092 202.126.248.0/21 6939 18092 - Withdrawn - matching aggregate 202.126.240.0/20 6939 18092 202.126.248.0/22 6939 18092 - Withdrawn - matching aggregate 202.126.240.0/20 6939 18092 203.205.96.0/20 6939 18092 203.205.96.0/21 6939 18092 - Withdrawn - matching aggregate 203.205.96.0/20 6939 18092 203.205.104.0/21 6939 18092 - Withdrawn - matching aggregate 203.205.96.0/20 6939 18092 203.222.208.0/20 6939 18092 203.222.208.0/22 6939 18092 - Withdrawn - matching aggregate 203.222.208.0/20 6939 18092 203.222.212.0/23 6939 18092 - Withdrawn - matching aggregate 203.222.208.0/20 6939 18092 203.222.214.0/23 6939 18092 - Withdrawn - matching aggregate 203.222.208.0/20 6939 18092 203.222.216.0/22 6939 18092 - Withdrawn - matching aggregate 203.222.208.0/20 6939 18092 203.222.220.0/22 6939 18092 - Withdrawn - matching aggregate 203.222.208.0/20 6939 18092 219.103.112.0/20 6939 18092 219.103.112.0/21 6939 18092 - Withdrawn - matching aggregate 219.103.112.0/20 6939 18092 219.117.48.0/20 6939 18092 219.117.52.0/22 6939 18092 - Withdrawn - matching aggregate 219.117.48.0/20 6939 18092
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS18092 41 More Specifics 51 Total Advertisements CSF Kyushu Tele Communications Company, JP
61.44.234.0/23 61.44.224.0/20
61.44.236.0/22 61.44.224.0/20
61.44.240.0/23 61.44.240.0/20
61.44.242.0/24 61.44.240.0/20
61.44.243.0/24 61.44.240.0/20
61.44.244.0/22 61.44.240.0/20
61.44.247.0/24 61.44.240.0/20
61.44.248.0/21 61.44.240.0/20
110.172.32.0/21 110.172.32.0/20
110.172.40.0/21 110.172.32.0/20
112.137.144.0/21 112.137.144.0/20
112.137.144.0/23 112.137.144.0/20
112.137.146.0/23 112.137.144.0/20
112.137.152.0/21 112.137.144.0/20
112.137.152.0/22 112.137.144.0/20
112.137.158.0/23 112.137.144.0/20
114.141.32.0/22 114.141.32.0/21
114.141.36.0/24 114.141.32.0/21
114.141.37.0/24 114.141.32.0/21
120.50.168.0/22 120.50.168.0/21
120.50.172.0/22 120.50.168.0/21
123.242.208.0/21 123.242.208.0/20
123.242.208.0/23 123.242.208.0/20
123.242.210.0/24 123.242.208.0/20
202.126.240.0/22 202.126.240.0/20
202.126.244.0/23 202.126.240.0/20
202.126.246.0/24 202.126.240.0/20
202.126.247.0/24 202.126.240.0/20
202.126.248.0/21 202.126.240.0/20
202.126.248.0/22 202.126.240.0/20
203.205.96.0/21 203.205.96.0/20
203.205.104.0/21 203.205.96.0/20
203.222.208.0/22 203.222.208.0/20
203.222.212.0/23 203.222.208.0/20
203.222.214.0/23 203.222.208.0/20
203.222.216.0/22 203.222.208.0/20
203.222.220.0/22 203.222.208.0/20
219.103.112.0/20 219.96.0.0/11
219.103.112.0/21 219.96.0.0/11
219.117.48.0/20 219.96.0.0/11
219.117.52.0/22 219.96.0.0/11
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 61.44.242.0/24 Announced
whois: 402590
IANA has recorded AS18092 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS18092\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS17653 - AS18431'
as-block: AS17653 - AS18431
descr: APNIC ASN block
remarks: These AS numbers are further assigned by APNIC
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tech-c: HM20-AP
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mnt-lower: APNIC-HM
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phone: +61 7 3858 3100
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notify: hostmaster@apnic.net
mnt-by: MAINT-APNIC-AP
last-modified: 2013-10-23T04:06:51Z
source: APNIC
% Information related to 'AS18085 - AS18098'
as-block: AS18085 - AS18098
descr: JPNIC-2Byte-ASBLOCK-AP
descr: for assignment to JPNIC members
country: JP
admin-c: JNIC1-AP
tech-c: JNIC1-AP
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mnt-by: APNIC-HM
mnt-lower: MAINT-JPNIC
last-modified: 2018-07-09T01:00:49Z
source: APNIC
role: Japan Network Information Center
address: Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda
address: Chiyoda-ku, Tokyo 101-0047, Japan
country: JP
phone: +81-3-5297-2311
fax-no: +81-3-5297-2312
e-mail: hostmaster@nic.ad.jp
admin-c: JI13-AP
tech-c: JE53-AP
nic-hdl: JNIC1-AP
mnt-by: MAINT-JPNIC
last-modified: 2022-01-05T03:04:02Z
source: APNIC
% Information related to 'AS18092'
% Abuse contact for 'AS18092' is 'hostmaster@nic.ad.jp'
aut-num: AS18092
as-name: CSF-NET
descr: Kyushu Tele Communications Company
descr: Kamikyoumachi 4-ban 4-gou,Sasebo,Nagasaki,Japan
admin-c: JNIC1-AP
tech-c: JNIC1-AP
remarks: Email address for spam or abuse complaints : kanabun@csf.ne.jp
country: JP
mnt-by: MAINT-JPNIC
mnt-lower: MAINT-JPNIC
mnt-irt: IRT-JPNIC-JP
last-modified: 2024-10-03T07:56:09Z
source: APNIC
irt: IRT-JPNIC-JP
address: Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda
address: Chiyoda-ku, Tokyo 101-0047, japan
e-mail: hostmaster@nic.ad.jp
abuse-mailbox: hostmaster@nic.ad.jp
phone: +81-3-5297-2311
fax-no: +81-3-5297-2312
admin-c: JNIC1-AP
tech-c: JNIC1-AP
auth: # Filtered
remarks: hostmaster@nic.ad.jp was validated on 2024-11-27
mnt-by: MAINT-JPNIC
last-modified: 2025-09-04T01:00:00Z
source: APNIC
role: Japan Network Information Center
address: Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda
address: Chiyoda-ku, Tokyo 101-0047, Japan
country: JP
phone: +81-3-5297-2311
fax-no: +81-3-5297-2312
e-mail: hostmaster@nic.ad.jp
admin-c: JI13-AP
tech-c: JE53-AP
nic-hdl: JNIC1-AP
mnt-by: MAINT-JPNIC
last-modified: 2022-01-05T03:04:02Z
source: APNIC
% Information related to 'AS18092'
aut-num: AS18092
as-name: CSF
descr: Kyushu Tele Communications Company
import: from AS2497 100 accept ANY
import: from AS7679 100 accept ANY
export: to AS2497 announce AS18092
export: to AS7679 announce AS18092
country: JP
admin-c: NS1881JP
tech-c: HK5776JP
last-modified: 2005-07-14T19:43:59Z
remarks: This information has been partially mirrored by APNIC from
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remarks: JPNIC WHOIS Gateway at
remarks: http://www.nic.ad.jp/en/db/whois/en-gateway.html or
remarks: whois.nic.ad.jp for WHOIS client. (The WHOIS client
remarks: defaults to Japanese output, use the /e switch for English
remarks: output)
source: JPNIC
% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU5)