18092 CSF - Kyushu Tele Communications Company, JP
Adjacency: 4 Upstream: 3 Downstream: 1
Upstream Adjacent AS list
AS17676 GIGAINFRA - SoftBank Corp., JP
AS2516 KDDI - KDDI CORPORATION, JP
AS4713 OCN - NTT DOCOMO BUSINESS,Inc., 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 3157 AS18092 ORG+TRN Originate: 67840 /15.95 Transit: 9216 /18.83 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 % 2966 AS18092 CSF - Kyushu Tele Communications Company, JP 36 22 4 18 18 50.00% Prefix AS Path Aggregation Suggestion 27.122.8.0/22 4777 4713 18092 61.44.224.0/19 4777 4713 18092 + Announce - aggregate of 61.44.224.0/20 (4777 4713 18092) and 61.44.240.0/20 (4777 4713 18092) 61.44.224.0/20 4777 4713 18092 - Withdrawn - aggregated with 61.44.240.0/20 (4777 4713 18092) 61.44.236.0/22 4777 4713 18092 - Withdrawn - matching aggregate 61.44.224.0/20 4777 4713 18092 61.44.240.0/20 4777 4713 18092 - Withdrawn - aggregated with 61.44.224.0/20 (4777 4713 18092) 61.44.243.0/24 4777 4713 18092 - Withdrawn - matching aggregate 61.44.240.0/20 4777 4713 18092 110.172.32.0/20 4777 4713 18092 110.172.32.0/20 4777 2516 18092 + Announce - aggregate of 110.172.32.0/21 (4777 2516 18092) and 110.172.40.0/21 (4777 2516 18092) 110.172.32.0/21 4777 2516 18092 - Withdrawn - aggregated with 110.172.40.0/21 (4777 2516 18092) 110.172.40.0/21 4777 2516 18092 - Withdrawn - aggregated with 110.172.32.0/21 (4777 2516 18092) 112.137.144.0/20 4777 4713 18092 112.137.144.0/22 4777 2516 18092 + Announce - aggregate of 112.137.144.0/23 (4777 2516 18092) and 112.137.146.0/23 (4777 2516 18092) 112.137.144.0/23 4777 2516 18092 - Withdrawn - aggregated with 112.137.146.0/23 (4777 2516 18092) 112.137.146.0/23 4777 2516 18092 - Withdrawn - aggregated with 112.137.144.0/23 (4777 2516 18092) 112.137.152.0/21 4777 4713 18092 - Withdrawn - matching aggregate 112.137.144.0/20 4777 4713 18092 112.137.152.0/22 4777 4713 18092 - Withdrawn - matching aggregate 112.137.144.0/20 4777 4713 18092 112.137.158.0/23 4777 4713 18092 - Withdrawn - matching aggregate 112.137.144.0/20 4777 4713 18092 114.141.32.0/21 4777 4713 18092 114.141.32.0/22 4777 4713 18092 - Withdrawn - matching aggregate 114.141.32.0/21 4777 4713 18092 114.141.36.0/24 4777 2516 18092 120.50.168.0/21 4777 4713 18092 + Announce - aggregate of 120.50.168.0/22 (4777 4713 18092) and 120.50.172.0/22 (4777 4713 18092) 120.50.168.0/22 4777 4713 18092 - Withdrawn - aggregated with 120.50.172.0/22 (4777 4713 18092) 120.50.172.0/22 4777 4713 18092 - Withdrawn - aggregated with 120.50.168.0/22 (4777 4713 18092) 123.242.208.0/21 4777 4713 18092 123.242.208.0/23 4777 4713 18092 - Withdrawn - matching aggregate 123.242.208.0/21 4777 4713 18092 123.242.210.0/24 4777 2516 18092 175.103.8.0/22 4777 4713 18092 202.126.240.0/20 4777 4713 18092 202.126.240.0/22 4777 4713 18092 - Withdrawn - matching aggregate 202.126.240.0/20 4777 4713 18092 202.126.244.0/23 4777 2516 18092 202.126.248.0/21 4777 4713 18092 - Withdrawn - matching aggregate 202.126.240.0/20 4777 4713 18092 202.126.248.0/22 4777 4713 18092 - Withdrawn - matching aggregate 202.126.240.0/20 4777 4713 18092 203.205.96.0/20 4777 4713 18092 203.205.104.0/21 4777 4713 18092 - Withdrawn - matching aggregate 203.205.96.0/20 4777 4713 18092 203.222.208.0/20 4777 4713 18092 203.222.216.0/22 4777 4713 18092 - Withdrawn - matching aggregate 203.222.208.0/20 4777 4713 18092 219.103.112.0/20 4777 4713 18092 219.103.112.0/21 4777 4713 18092 - Withdrawn - matching aggregate 219.103.112.0/20 4777 4713 18092 219.117.48.0/20 4777 4713 18092 219.117.52.0/22 4777 4713 18092 - Withdrawn - matching aggregate 219.117.48.0/20 4777 4713 18092
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS18092 26 More Specifics 36 Total Advertisements CSF - Kyushu Tele Communications Company, JP
61.44.236.0/22 61.44.224.0/20
61.44.243.0/24 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
112.137.144.0/23 112.137.144.0/20
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
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
202.126.248.0/21 202.126.240.0/20
202.126.248.0/22 202.126.240.0/20
203.205.104.0/21 203.205.96.0/20
203.222.216.0/22 203.222.208.0/20
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
whois: 402609
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
remarks: to APNIC members and end-users in the APNIC region
admin-c: HM20-AP
tech-c: HM20-AP
mnt-by: APNIC-HM
mnt-lower: APNIC-HM
last-modified: 2019-01-08T23:19:07Z
source: APNIC
role: APNIC Hostmaster
address: 6 Cordelia Street
address: South Brisbane
address: QLD 4101
country: AU
phone: +61 7 3858 3100
fax-no: +61 7 3858 3199
e-mail: helpdesk@apnic.net
admin-c: AMS11-AP
tech-c: AH256-AP
nic-hdl: HM20-AP
remarks: Administrator for APNIC
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
remarks: Authoritative information regarding AS Number
remarks: assignments made from within this block can be
remarks: queried at whois.nic.ad.jp.
remarks: To only display English output,
remarks: add '/e' at the end of command,
remarks: e.g. 'whois -h whois.nic.ad.jp xxx/e'.
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
remarks: JPNIC. To obtain more specific information, please use the
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)