4693 CSK CSK-IT MANAGEMENT CORPORATION, JP
Adjacency: 4 Upstream: 3 Downstream: 1
Upstream Adjacent AS list
AS17686 ACCELIA ACCELIA, JP
AS2516 KDDI KDDI CORPORATION, JP
AS4777 APNIC-COLO Asia Pacific Network Information Centre, JP
Downstream Adjacent AS list
AS17680 SCS SCSK Corporation, JP
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 4569 AS4693 ORG+TRN Originate: 45056 /16.54 Transit: 6144 /19.42 CSK CSK-IT MANAGEMENT CORPORATION, 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 % 31448 AS4693 CSK CSK-IT MANAGEMENT CORPORATION, JP 7 0 0 7 0 0.00% Prefix AS Path Aggregation Suggestion 203.140.0.0/19 4777 4693 203.179.32.0/19 4777 4693 210.159.96.0/19 4777 4693 210.166.96.0/19 4777 4693 210.249.192.0/19 4777 4693 211.7.192.0/21 4777 4693 211.7.208.0/21 4777 4693
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS4693 7 More Specifics 7 Total Advertisements CSK CSK-IT MANAGEMENT CORPORATION, JP
203.140.0.0/19 203.140.0.0/15
203.179.32.0/19 203.178.0.0/15
210.159.96.0/19 210.144.0.0/12
210.166.96.0/19 210.160.0.0/12
210.249.192.0/19 210.248.0.0/13
211.7.192.0/21 211.0.0.0/13
211.7.208.0/21 211.0.0.0/13
whois: 402332
IANA has recorded AS4693 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS4693\n % [whois.apnic.net]
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% Information related to 'AS4608 - AS4865'
as-block: AS4608 - AS4865
descr: APNIC ASN block
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last-modified: 2013-10-23T04:06:51Z
source: APNIC
% Information related to 'AS4683 - AS4735'
as-block: AS4683 - AS4735
descr: JPNIC-2Byte-ASBLOCK-AP
descr: for assignment to JPNIC members
country: JP
admin-c: JNIC1-AP
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last-modified: 2023-08-28T04:50:39Z
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
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tech-c: JE53-AP
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last-modified: 2022-01-05T03:04:02Z
source: APNIC
% Information related to 'AS4693'
aut-num: AS4693
as-name: CSK
descr: CSK-IT MANAGEMENT CORPORATION
import:
export:
country: JP
admin-c: TH9886JP
tech-c: TH9886JP
last-modified: 2010-02-05T02:02:22Z
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source: JPNIC
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