9640 KRCERT-AS-KR Korea Internet Security Agency, KR
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS9457 DREAMX-AS DREAMLINE CO., KR
AS3786 LGDACOM LG DACOM Corporation, KR
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 29934 AS9640 ORIGIN Originate: 1536 /21.42 Transit: 0 /0.00 KRCERT-AS-KR Korea Internet Security Agency, KR
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 % 20269 AS9640 KRCERT-AS-KR Korea Internet Security Agency, 6 2 1 5 1 16.67% Prefix AS Path Aggregation Suggestion 180.222.220.0/24 4608 7575 3786 9640 192.5.90.0/24 4777 2497 2914 9457 9640 192.132.247.0/24 4608 7575 3786 9640 192.203.140.0/24 4608 7575 3786 9640 218.37.128.0/23 4777 2497 3786 9640 + Announce - aggregate of 218.37.128.0/24 (4777 2497 3786 9640) and 218.37.129.0/24 (4777 2497 3786 9640) 218.37.128.0/24 4777 2497 3786 9640 - Withdrawn - aggregated with 218.37.129.0/24 (4777 2497 3786 9640) 218.37.129.0/24 4777 2497 3786 9640 - Withdrawn - aggregated with 218.37.128.0/24 (4777 2497 3786 9640)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS9640 4 More Specifics 6 Total Advertisements KRCERT-AS-KR Korea Internet Security Agency, KR
180.222.220.0/24 180.222.220.0/22
192.203.140.0/24 192.203.140.0/22
218.37.128.0/24 218.37.128.0/18
218.37.129.0/24 218.37.128.0/18
whois: 402332
IANA has recorded AS9640 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS9640\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS9249 - AS10239'
as-block: AS9249 - AS10239
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: 2022-09-22T22:36:45Z
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 'AS9628 - AS9647'
as-block: AS9628 - AS9647
descr: KRNIC-ASBLOCK-AP
descr: KRNIC
descr: Korea Network Information Center
country: KR
admin-c: HM127-AP
tech-c: HM127-AP
remarks: Authoritative information regarding AS Number
remarks: assignments made from within this block can also be
remarks: queried at whois.nic.or.kr
mnt-by: APNIC-HM
mnt-lower: MNT-KRNIC-AP
last-modified: 2017-06-15T04:25:41Z
source: APNIC
person: Host Master
address: Jeollanam-do Naju-si Jinheung-gil
country: KR
phone: +82-2-405-5118
e-mail: hostmaster@nic.or.kr
nic-hdl: HM127-AP
mnt-by: MNT-KRNIC-AP
last-modified: 2019-05-22T01:20:31Z
source: APNIC
% Information related to 'AS9640'
% Abuse contact for 'AS9640' is 'irt@nic.or.kr'
aut-num: AS9640
as-name: KRCERT-AS-KR
descr: Korea Internet Security Agency
country: KR
admin-c: AM802-AP
tech-c: AM802-AP
import: from AS4766
action pref=1;
accept ANY
import: from AS9318
action pref=1;
accept ANY
export: to AS9318
announce AS9640
export: to AS4766
announce AS9640
mnt-by: MNT-KRNIC-AP
mnt-irt: IRT-KRNIC-KR
last-modified: 2017-03-23T05:14:51Z
source: APNIC
irt: IRT-KRNIC-KR
address: 9, Jinheung-gil, Naju-si, Jeollanam-do
e-mail: irt@nic.or.kr
abuse-mailbox: irt@nic.or.kr
admin-c: IM574-AP
tech-c: IM574-AP
auth: # Filtered
remarks: irt@nic.or.kr was validated on 2020-04-09
mnt-by: MNT-KRNIC-AP
last-modified: 2025-09-04T01:00:01Z
source: APNIC
person: AS Manager
address: Jeollanam-do Naju-si Jinheung-gil
country: KR
phone: +82-2-405-5118
e-mail: hostmaster@nic.or.kr
nic-hdl: AM802-AP
mnt-by: MNT-KRNIC-AP
last-modified: 2017-08-07T00:55:25Z
source: APNIC
% Information related to 'AS9640'
aut-num: AS9640
as-name: KRCERT-AS-KR-KR
descr: Korea Internet Security Agency
country: KR
import: from AS4766 action pref=1 accept ANY
import: from AS9318 action pref=1 accept ANY
export: to AS9318 announce AS9640
export: to AS4766 announce AS9640
admin-c: JS120-KR
tech-c: JS120-KR
mnt-by: MNT-KRNIC-AP
mnt-irt: IRT-KRNIC-KR
remarks: This information has been partially mirrored by APNIC from
remarks: KRNIC. To obtain more specific information, please use the
remarks: KRNIC whois server at whois.kisa.or.kr.
source: KRNIC
person: AS Manager
address: Jeollanam-do Naju-si Jinheung-gil
address: 9
country: KR
phone: +82-2-405-5118
e-mail: hostmaster@nic.or.kr
nic-hdl: JS120-KR
mnt-by: MNT-KRNIC-AP
changed: hostmaster@nic.or.kr 20240912
remarks: This information has been partially mirrored by APNIC from
remarks: KRNIC. To obtain more specific information, please use the
remarks: KRNIC whois server at whois.kisa.or.kr.
source: KRNIC
% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU5)