17578 HALLA-AS-KR CHEJU HALLA UNIVERSITY, KR
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS4766 KIXS-AS-KR Korea Telecom, KR
AS3786 LGDACOM LG DACOM Corporation, KR
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 15043 AS17578 ORIGIN Originate: 5120 /19.68 Transit: 0 /0.00 HALLA-AS-KR CHEJU HALLA UNIVERSITY, 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 % 3745 AS17578 HALLA-AS-KR CHEJU HALLA UNIVERSITY, KR 20 18 4 6 14 70.00% Prefix AS Path Aggregation Suggestion 14.49.224.0/21 4777 2497 4766 17578 + Announce - aggregate of 14.49.224.0/22 (4777 2497 4766 17578) and 14.49.228.0/22 (4777 2497 4766 17578) 14.49.224.0/24 4777 2497 4766 17578 - Withdrawn - aggregated with 14.49.225.0/24 (4777 2497 4766 17578) 14.49.225.0/24 4777 2497 4766 17578 - Withdrawn - aggregated with 14.49.224.0/24 (4777 2497 4766 17578) 14.49.226.0/24 4777 2497 4766 17578 - Withdrawn - aggregated with 14.49.227.0/24 (4777 2497 4766 17578) 14.49.227.0/24 4777 2497 4766 17578 - Withdrawn - aggregated with 14.49.226.0/24 (4777 2497 4766 17578) 14.49.228.0/24 4777 2497 4766 17578 - Withdrawn - aggregated with 14.49.229.0/24 (4777 2497 4766 17578) 14.49.229.0/24 4777 2497 4766 17578 - Withdrawn - aggregated with 14.49.228.0/24 (4777 2497 4766 17578) 14.49.230.0/24 4777 2497 4766 17578 - Withdrawn - aggregated with 14.49.231.0/24 (4777 2497 4766 17578) 14.49.231.0/24 4777 2497 4766 17578 - Withdrawn - aggregated with 14.49.230.0/24 (4777 2497 4766 17578) 14.49.232.0/22 4777 2497 4766 17578 + Announce - aggregate of 14.49.232.0/23 (4777 2497 4766 17578) and 14.49.234.0/23 (4777 2497 4766 17578) 14.49.232.0/24 4777 2497 4766 17578 - Withdrawn - aggregated with 14.49.233.0/24 (4777 2497 4766 17578) 14.49.233.0/24 4777 2497 4766 17578 - Withdrawn - aggregated with 14.49.232.0/24 (4777 2497 4766 17578) 14.49.234.0/24 4777 2497 4766 17578 - Withdrawn - aggregated with 14.49.235.0/24 (4777 2497 4766 17578) 14.49.235.0/24 4777 2497 4766 17578 - Withdrawn - aggregated with 14.49.234.0/24 (4777 2497 4766 17578) 61.39.225.0/24 4777 2497 4766 17578 61.39.243.0/24 4777 2516 3786 17578 61.39.244.0/22 4777 2516 3786 17578 + Announce - aggregate of 61.39.244.0/23 (4777 2516 3786 17578) and 61.39.246.0/23 (4777 2516 3786 17578) 61.39.244.0/24 4777 2516 3786 17578 - Withdrawn - aggregated with 61.39.245.0/24 (4777 2516 3786 17578) 61.39.245.0/24 4777 2516 3786 17578 - Withdrawn - aggregated with 61.39.244.0/24 (4777 2516 3786 17578) 61.39.246.0/24 4777 2516 3786 17578 - Withdrawn - aggregated with 61.39.247.0/24 (4777 2516 3786 17578) 61.39.247.0/24 4777 2516 3786 17578 - Withdrawn - aggregated with 61.39.246.0/24 (4777 2516 3786 17578) 61.39.248.0/23 4777 2516 3786 17578 + Announce - aggregate of 61.39.248.0/24 (4777 2516 3786 17578) and 61.39.249.0/24 (4777 2516 3786 17578) 61.39.248.0/24 4777 2516 3786 17578 - Withdrawn - aggregated with 61.39.249.0/24 (4777 2516 3786 17578) 61.39.249.0/24 4777 2516 3786 17578 - Withdrawn - aggregated with 61.39.248.0/24 (4777 2516 3786 17578)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS17578 20 More Specifics 20 Total Advertisements HALLA-AS-KR CHEJU HALLA UNIVERSITY, KR
14.49.224.0/24 14.32.0.0/11
14.49.225.0/24 14.32.0.0/11
14.49.226.0/24 14.32.0.0/11
14.49.227.0/24 14.32.0.0/11
14.49.228.0/24 14.32.0.0/11
14.49.229.0/24 14.32.0.0/11
14.49.230.0/24 14.32.0.0/11
14.49.231.0/24 14.32.0.0/11
14.49.232.0/24 14.32.0.0/11
14.49.233.0/24 14.32.0.0/11
14.49.234.0/24 14.32.0.0/11
14.49.235.0/24 14.32.0.0/11
61.39.225.0/24 61.32.0.0/13
61.39.243.0/24 61.32.0.0/13
61.39.244.0/24 61.32.0.0/13
61.39.245.0/24 61.32.0.0/13
61.39.246.0/24 61.32.0.0/13
61.39.247.0/24 61.32.0.0/13
61.39.248.0/24 61.32.0.0/13
61.39.249.0/24 61.32.0.0/13
whois: 402332
IANA has recorded AS17578 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS17578\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS17408 - AS17651'
as-block: AS17408 - AS17651
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: 2019-01-08T23:22:27Z
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 'AS17567 - AS17616'
as-block: AS17567 - AS17616
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: 2017-06-15T04:25:42Z
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 'AS17578'
% Abuse contact for 'AS17578' is 'irt@nic.or.kr'
aut-num: AS17578
as-name: HALLA-AS-KR
descr: CHEJU HALLA UNIVERSITY
country: KR
admin-c: AM1929-AP
tech-c: AM1929-AP
import: from AS3766
action pref=100;
accept ANY
import: from AS3786
action pref=10;
accept ANY
export: to AS3766
announce AS17578
export: to AS3786
announce AS17578
mnt-by: MNT-KRNIC-AP
mnt-irt: IRT-KRNIC-KR
last-modified: 2020-11-16T06:54:02Z
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: Jeju-do Jeju-si Halladaehak-ro 38
country: KR
phone: +82-64-741-7420
e-mail: kjm270@chu.ac.kr
nic-hdl: AM1929-AP
mnt-by: MNT-KRNIC-AP
last-modified: 2020-11-16T06:54:03Z
source: APNIC
% Information related to 'AS17578'
aut-num: AS17578
as-name: HALLA-AS-KR-KR
descr: CHEJU HALLA UNIVERSITY
country: KR
import: from 3786 action pref=10 accept ANY
import: from 3766 action pref=100 accept ANY
export: to 3786 announce NEW
export: to 3766 announce NEW
admin-c: LS3964-KR
tech-c: SH3964-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: Jeju-do Jeju-si Halladaehak-ro 38
address: Halla Univ
country: KR
phone: +82-64-741-7420
e-mail: kjm270@chu.ac.kr
nic-hdl: LS3964-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
person: AS Manager
address: Jeju-do Jeju-si Halladaehak-ro 38
address: Halla Univ
country: KR
phone: +82-64-741-7420
e-mail: kjm270@chu.ac.kr
nic-hdl: SH3964-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 1.88.36-SNAPSHOT (WHOIS-AU5)