23975 YC-AS-KR Yonam Institute of Technology, KR
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS3786 LGDACOM LG DACOM Corporation, KR
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 16839 AS23975 ORIGIN Originate: 4096 /20.00 Transit: 0 /0.00 YC-AS-KR Yonam Institute of Technology, 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 % 21211 AS23975 YC-AS-KR Yonam Institute of Technology, KR 6 2 1 5 1 16.67% Prefix AS Path Aggregation Suggestion 203.255.224.0/21 4777 2516 3786 23975 220.66.19.0/24 4777 2516 3786 23975 220.66.20.0/23 4777 2516 3786 23975 + Announce - aggregate of 220.66.20.0/24 (4777 2516 3786 23975) and 220.66.21.0/24 (4777 2516 3786 23975) 220.66.20.0/24 4777 2516 3786 23975 - Withdrawn - aggregated with 220.66.21.0/24 (4777 2516 3786 23975) 220.66.21.0/24 4777 2516 3786 23975 - Withdrawn - aggregated with 220.66.20.0/24 (4777 2516 3786 23975) 220.66.111.0/24 4777 2516 3786 23975 220.66.112.0/22 4777 2516 3786 23975
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS23975 5 More Specifics 6 Total Advertisements YC-AS-KR Yonam Institute of Technology, KR
220.66.19.0/24 220.66.0.0/15
220.66.20.0/24 220.66.0.0/15
220.66.21.0/24 220.66.0.0/15
220.66.111.0/24 220.66.0.0/15
220.66.112.0/22 220.66.0.0/15
whois: 402332
IANA has recorded AS23975 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS23975\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% 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 'AS23955 - AS24084'
as-block: AS23955 - AS24084
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: 2008-09-04T06:40:26Z
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 'AS23975'
% Abuse contact for 'AS23975' is 'irt@nic.or.kr'
aut-num: AS23975
as-name: YC-AS-KR
descr: Yonam Institute of Technology
country: KR
admin-c: AM1359-AP
tech-c: AM1359-AP
import: from AS3786
action pref=100;
accept ANY
import: from AS4766
action pref=10;
accept ANY
export: to AS3786
announce AS23975
export: to AS4766
announce AS23975
mnt-by: MNT-KRNIC-AP
mnt-irt: IRT-KRNIC-KR
last-modified: 2023-09-14T01:38:02Z
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: Gyeongsangnam-do Jinju-si Jinju-daero 629beon-gil 35
country: KR
phone: +82-55-751-2144
e-mail: hgcha@yc.ac.kr
nic-hdl: AM1359-AP
mnt-by: MNT-KRNIC-AP
last-modified: 2025-11-26T00:08:05Z
source: APNIC
% Information related to 'AS23975'
aut-num: AS23975
as-name: YC-AS-KR-KR
descr: Yonam Institute of Technology
country: KR
import: from 4766 action pref=10 accept ANY
import: from 3786 action pref=100 accept ANY
export: to 4766 announce NEW
export: to 3786 announce NEW
admin-c: HJ554-KR
tech-c: HJ554-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: Gyeongsangnam-do Jinju-si Jinju-daero 629beon-gil 35
address: Yonam Institute of Technology
country: KR
phone: +82-55-751-2144
e-mail: hgcha@yc.ac.kr
nic-hdl: HJ554-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 1.88.48 (WHOIS-AU5)