23591 LS-AS-KR LS ITC, KR
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS4766 KIXS-AS-KR Korea Telecom, KR
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 12795 AS23591 ORIGIN Originate: 7168 /19.19 Transit: 0 /0.00 LS-AS-KR LS ITC, 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 % 21780 AS23591 LS-AS-KR LS ITC, KR 30 2 1 29 1 3.33% Prefix AS Path Aggregation Suggestion 58.72.242.0/24 4777 2497 4766 23591 58.151.159.0/25 4777 2516 4766 23591 61.39.37.128/25 4777 2516 4766 23591 61.41.152.0/24 4777 2497 4766 23591 61.42.107.0/24 4777 2497 4766 23591 61.42.108.0/24 4777 2497 4766 23591 115.21.131.0/24 4777 2497 4766 23591 118.130.135.0/24 4777 2497 4766 23591 119.197.90.0/24 4777 2516 4766 23591 210.120.14.0/24 4777 2497 4766 23591 210.124.98.0/24 4777 2497 4766 23591 210.207.185.128/25 4777 2516 4766 23591 210.216.72.128/25 4777 2516 4766 23591 211.45.199.0/24 4777 2497 4766 23591 211.60.29.0/24 4777 2497 4766 23591 211.60.30.0/24 4777 2497 4766 23591 211.60.32.0/24 4777 2497 4766 23591 211.60.42.0/24 4777 2497 4766 23591 211.60.44.0/24 4777 2497 4766 23591 211.60.46.0/24 4777 2497 4766 23591 211.60.48.0/23 4777 2497 4766 23591 + Announce - aggregate of 211.60.48.0/24 (4777 2497 4766 23591) and 211.60.49.0/24 (4777 2497 4766 23591) 211.60.48.0/24 4777 2497 4766 23591 - Withdrawn - aggregated with 211.60.49.0/24 (4777 2497 4766 23591) 211.60.49.0/24 4777 2497 4766 23591 - Withdrawn - aggregated with 211.60.48.0/24 (4777 2497 4766 23591) 211.62.154.0/24 4777 2497 4766 23591 211.62.167.0/24 4777 2497 4766 23591 211.62.207.0/24 4777 2497 4766 23591 211.62.214.0/24 4777 2497 4766 23591 211.168.91.0/24 4777 2497 4766 23591 211.236.15.0/24 4777 2497 4766 23591 211.236.20.0/24 4777 2497 4766 23591 211.236.61.0/24 4777 2497 4766 23591
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS23591 30 More Specifics 30 Total Advertisements LS-AS-KR LS ITC, KR
58.72.242.0/24 58.72.0.0/14
58.151.159.0/25 58.150.0.0/15
61.39.37.128/25 61.32.0.0/13
61.41.152.0/24 61.40.0.0/14
61.42.107.0/24 61.40.0.0/14
61.42.108.0/24 61.40.0.0/14
115.21.131.0/24 115.16.0.0/13
118.130.135.0/24 118.128.0.0/14
119.197.90.0/24 119.192.0.0/11
210.120.14.0/24 210.120.0.0/16
210.124.98.0/24 210.124.0.0/16
210.207.185.128/25 210.206.0.0/15
210.216.72.128/25 210.216.0.0/16
211.45.199.0/24 211.45.192.0/18
211.60.29.0/24 211.60.0.0/16
211.60.30.0/24 211.60.0.0/16
211.60.32.0/24 211.60.0.0/16
211.60.42.0/24 211.60.0.0/16
211.60.44.0/24 211.60.0.0/16
211.60.46.0/24 211.60.0.0/16
211.60.48.0/24 211.60.0.0/16
211.60.49.0/24 211.60.0.0/16
211.62.154.0/24 211.62.128.0/17
211.62.167.0/24 211.62.128.0/17
211.62.207.0/24 211.62.128.0/17
211.62.214.0/24 211.62.128.0/17
211.168.91.0/24 211.168.0.0/14
211.236.15.0/24 211.236.0.0/18
211.236.20.0/24 211.236.0.0/18
211.236.61.0/24 211.236.0.0/18
whois: 402332
IANA has recorded AS23591 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS23591\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 'AS23591'
% Abuse contact for 'AS23591' is 'irt@nic.or.kr'
aut-num: AS23591
as-name: LS-AS-KR
descr: LS ITC
country: KR
admin-c: AM2311-AP
tech-c: AM2311-AP
import: from AS3786
action pref=100;
accept ANY
import: from AS4766
action pref=200;
accept ANY
export: to AS3786
announce AS23591
export: to AS4766
announce AS23591
mnt-by: MNT-KRNIC-AP
mnt-irt: IRT-KRNIC-KR
last-modified: 2021-01-20T00:04:39Z
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: Seoul Yongsan-gu Hangang-daero
country: KR
phone: +82-31-689-7440
e-mail: byeonghyeok.choi@lsitc.com
nic-hdl: AM2311-AP
mnt-by: MNT-KRNIC-AP
last-modified: 2025-11-23T23:56:06Z
source: APNIC
% Information related to 'AS23591'
aut-num: AS23591
as-name: LS-AS-KR-KR
descr: LS ITC
country: KR
import: from AS3786 action pref=100 accept ANY
import: from AS4766 action pref=200 accept ANY
export: to AS3786 announce NEW
export: to AS4766 announce NEW
admin-c: AM6642-KR
tech-c: AM6642-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: Seoul Yongsan-gu Hangang-daero
address: 92, LS Yongsan Tower 15F
country: KR
phone: +82-31-689-7440
e-mail: byeonghyeok.choi@lsitc.com
nic-hdl: AM6642-KR
mnt-by: MNT-KRNIC-AP
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 1.88.36-SNAPSHOT (WHOIS-AU5)