23600 GDNSKR-KR Korea Internet Security Agency, KR
Adjacency: 5 Upstream: 4 Downstream: 1
Upstream Adjacent AS list
AS8763 DENIC-AS Theodor-Stern-Kai 1, DE
AS9858 KRNICNET Korea Internet Security Agency, KR
AS4766 KIXS-AS-KR Korea Telecom, KR
AS9318 SKB-AS SK Broadband Co Ltd, KR
Downstream Adjacent AS list
AS14650 Nucleo de Inf. e Coord. do Ponto BR - NIC., BR
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 19753 AS23600 ORG+TRN Originate: 3072 /20.42 Transit: 512 /23.00 GDNSKR-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 % 37058 AS23600 GDNSKR-KR Korea Internet Security Agency, KR 12 0 0 12 0 0.00% Prefix AS Path Aggregation Suggestion 1.18.132.0/24 4777 2497 3786 9858 23600 1.18.133.0/24 4777 2497 3257 13237 8763 23600 1.18.134.0/24 4777 2497 4766 23600 39.127.249.0/24 4777 2497 9318 23600 58.235.102.0/24 4777 2497 9318 23600 202.30.45.0/24 4777 2497 9318 23600 202.31.188.0/24 4777 2497 4766 23600 202.31.190.0/24 4777 2497 4766 23600 203.83.158.0/24 4777 2497 9318 23600 219.251.142.0/24 4777 2497 9318 23600 219.251.156.0/24 4777 2497 9318 23600 221.139.191.0/24 4777 2497 9318 23600
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS23600 11 More Specifics 12 Total Advertisements GDNSKR-KR Korea Internet Security Agency, KR
1.18.132.0/24 1.18.128.0/21
1.18.133.0/24 1.18.128.0/21
1.18.134.0/24 1.18.128.0/21
39.127.249.0/24 39.112.0.0/12
58.235.102.0/24 58.224.0.0/12
202.31.188.0/24 202.31.188.0/22
202.31.190.0/24 202.31.188.0/22
203.83.158.0/24 203.83.128.0/19
219.251.142.0/24 219.248.0.0/14
219.251.156.0/24 219.248.0.0/14
221.139.191.0/24 221.138.0.0/15
whois: 402332
IANA has recorded AS23600 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS23600\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS23552 - AS23601'
as-block: AS23552 - AS23601
descr: KRNIC-ASBLOCK-AP
descr: KRNIC
descr: Korea Network Information Center
country: KR
admin-c: HM127-AP
tech-c: HM127-AP
remarks: Block of 50 AS numbers from AS23552to AS23601
remarks: for assignment to KRNIC members
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: 2008-09-04T06:40:26Z
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 'AS23552 - AS24575'
as-block: AS23552 - AS24575
descr: APNIC ASN block
remarks: These AS numbers are further assigned by APNIC
remarks: to APNIC members and end-users in the APNIC region
remarks: AS23889 has been transfered to AfriNIC
admin-c: HM20-AP
tech-c: HM20-AP
mnt-by: APNIC-HM
mnt-lower: APNIC-HM
last-modified: 2009-09-29T06:04:16Z
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 'AS23600'
% Abuse contact for 'AS23600' is 'irt@nic.or.kr'
aut-num: AS23600
as-name: GDNSKR-KR
descr: Korea Internet Security Agency
country: KR
admin-c: AM2073-AP
tech-c: AM2073-AP
import: from AS3786
action pref=10;
accept ANY
import: from AS9318
action pref=10;
accept ANY
import: from AS9457
action pref=10;
accept ANY
import: from AS9700
action pref=10;
accept ANY
export: to AS3786
announce AS23600
export: to AS9318
announce AS23600
export: to AS9457
announce AS23600
export: to AS9700
announce AS23600
mnt-by: MNT-KRNIC-AP
mnt-irt: IRT-KRNIC-KR
last-modified: 2024-07-02T00:52:05Z
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: AM2073-AP
mnt-by: MNT-KRNIC-AP
last-modified: 2017-08-07T00:55:25Z
source: APNIC
% Information related to 'AS23600'
aut-num: AS23600
as-name: GDNSKR-KR-KR
descr: Korea Internet Security Agency
country: KR
import: from AS9457 action pref=10 accept ANY
import: from AS9318 action pref=10 accept ANY
import: from AS3786 action pref=10 accept ANY
import: from AS9700 action pref=10 accept ANY
export: to AS9457 announce NEW
export: to AS9318 announce NEW
export: to AS3786 announce NEW
export: to AS9700 announce NEW
admin-c: A544-KR
tech-c: A544-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: A544-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 1.88.47 (WHOIS-AU4)