18026 CHEJU-AS-KR JEJU NATIONAL UNIVERSITY, KR
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS4766 KIXS-AS-KR Korea Telecom, KR
AS9318 SKB-AS SK Broadband Co Ltd, KR
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 6878 AS18026 ORIGIN Originate: 20224 /17.70 Transit: 0 /0.00 CHEJU-AS-KR JEJU NATIONAL 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 % 21409 AS18026 CHEJU-AS-KR JEJU NATIONAL UNIVERSITY, KR 17 2 1 16 1 5.88% Prefix AS Path Aggregation Suggestion 113.198.160.0/21 4777 2497 9318 18026 113.198.168.0/22 4777 2497 9318 18026 114.71.62.0/23 4777 2497 9318 18026 + Announce - aggregate of 114.71.62.0/24 (4777 2497 9318 18026) and 114.71.63.0/24 (4777 2497 9318 18026) 114.71.62.0/24 4777 2497 9318 18026 - Withdrawn - aggregated with 114.71.63.0/24 (4777 2497 9318 18026) 114.71.63.0/24 4777 2497 9318 18026 - Withdrawn - aggregated with 114.71.62.0/24 (4777 2497 9318 18026) 117.17.95.0/24 4777 2497 9318 18026 117.17.96.0/21 4777 2497 4766 18026 117.17.104.0/23 4777 2497 4766 18026 117.17.116.0/24 4777 2497 4766 18026 192.203.138.0/24 4777 2497 9318 18026 203.237.202.0/23 4777 2497 9318 18026 203.253.192.0/19 4777 2497 9318 18026 210.93.72.0/22 4777 2497 9318 18026 220.68.2.0/23 4777 2497 9318 18026 220.69.174.0/23 4777 2497 9318 18026 220.149.40.0/22 4777 2497 9318 18026 223.194.230.0/23 4777 2497 9318 18026 223.194.232.0/22 4777 2497 9318 18026
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS18026 15 More Specifics 17 Total Advertisements CHEJU-AS-KR JEJU NATIONAL UNIVERSITY, KR
113.198.160.0/21 113.198.0.0/16
113.198.168.0/22 113.198.0.0/16
114.71.62.0/24 114.70.0.0/15
114.71.63.0/24 114.70.0.0/15
117.17.95.0/24 117.16.0.0/15
117.17.96.0/21 117.16.0.0/15
117.17.104.0/23 117.16.0.0/15
117.17.116.0/24 117.16.0.0/15
203.237.202.0/23 203.237.128.0/17
210.93.72.0/22 210.93.0.0/17
220.68.2.0/23 220.68.0.0/15
220.69.174.0/23 220.68.0.0/15
220.149.40.0/22 220.149.0.0/16
223.194.230.0/23 223.194.0.0/15
223.194.232.0/22 223.194.0.0/15
whois: 402332
IANA has recorded AS18026 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS18026\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS17653 - AS18431'
as-block: AS17653 - AS18431
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: 2019-01-08T23:19:07Z
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 'AS18026'
% Abuse contact for 'AS18026' is 'irt@nic.or.kr'
aut-num: AS18026
as-name: CHEJU-AS-KR
descr: JEJU NATIONAL UNIVERSITY
country: KR
admin-c: AM1333-AP
tech-c: AM1333-AP
import: from AS3786
action pref=1;
accept ANY
import: from AS4766
action pref=1;
accept ANY
import: from AS9270
action pref=1;
accept ANY
export: to AS3786
announce AS18026
export: to AS4766
announce AS18026
export: to AS9270
announce AS18026
mnt-by: MNT-KRNIC-AP
mnt-irt: IRT-KRNIC-KR
last-modified: 2021-12-01T06:06:02Z
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 Jejudaehak-ro 102
country: KR
phone: +82-64-754-8390
e-mail: ksm0032@jejunu.ac.kr
nic-hdl: AM1333-AP
mnt-by: MNT-KRNIC-AP
last-modified: 2025-11-17T00:16:02Z
source: APNIC
% Information related to 'AS18026'
aut-num: AS18026
as-name: CHEJU-AS-KR-KR
descr: JEJU NATIONAL UNIVERSITY
country: KR
import: from 3786 action pref=1 accept ANY
import: from 4766 action pref=1 accept ANY
import: from 9270 action pref=1 accept ANY
export: to 3786 announce NEW
export: to 4766 announce NEW
export: to 9270 announce NEW
admin-c: SY433-KR
tech-c: SY433-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 Jejudaehak-ro 102
address: Jeju National University
country: KR
phone: +82-64-754-8390
e-mail: ksm0032@jejunu.ac.kr
nic-hdl: SY433-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)