18401 AS18401-AS-KR DAEGU 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 5848 AS18401 ORIGIN Originate: 27136 /17.27 Transit: 0 /0.00 AS18401-AS-KR DAEGU 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 % 4574 AS18401 AS18401-AS-KR DAEGU UNIVERSITY, KR 23 15 4 12 11 47.83% Prefix AS Path Aggregation Suggestion 112.137.176.0/21 4777 6939 9318 18401 18401 203.207.16.0/23 4777 6939 9318 18401 18401 + Announce - aggregate of 203.207.16.0/24 (4777 6939 9318 18401 18401) and 203.207.17.0/24 (4777 6939 9318 18401 18401) 203.207.16.0/24 4777 6939 9318 18401 18401 - Withdrawn - aggregated with 203.207.17.0/24 (4777 6939 9318 18401 18401) 203.207.17.0/24 4777 6939 9318 18401 18401 - Withdrawn - aggregated with 203.207.16.0/24 (4777 6939 9318 18401 18401) 203.207.18.0/24 4777 6939 9318 18401 18401 203.207.19.0/24 4777 2497 4766 18401 18401 203.207.20.0/24 4777 2497 4766 18401 18401 203.207.21.0/24 4777 6939 9318 18401 18401 203.207.22.0/23 4777 6939 9318 18401 18401 + Announce - aggregate of 203.207.22.0/24 (4777 6939 9318 18401 18401) and 203.207.23.0/24 (4777 6939 9318 18401 18401) 203.207.22.0/24 4777 6939 9318 18401 18401 - Withdrawn - aggregated with 203.207.23.0/24 (4777 6939 9318 18401 18401) 203.207.23.0/24 4777 6939 9318 18401 18401 - Withdrawn - aggregated with 203.207.22.0/24 (4777 6939 9318 18401 18401) 203.207.24.0/21 4777 6939 9318 18401 18401 + Announce - aggregate of 203.207.24.0/22 (4777 6939 9318 18401 18401) and 203.207.28.0/22 (4777 6939 9318 18401 18401) 203.207.24.0/24 4777 6939 9318 18401 18401 - Withdrawn - aggregated with 203.207.25.0/24 (4777 6939 9318 18401 18401) 203.207.25.0/24 4777 6939 9318 18401 18401 - Withdrawn - aggregated with 203.207.24.0/24 (4777 6939 9318 18401 18401) 203.207.26.0/24 4777 6939 9318 18401 18401 - Withdrawn - aggregated with 203.207.27.0/24 (4777 6939 9318 18401 18401) 203.207.27.0/24 4777 6939 9318 18401 18401 - Withdrawn - aggregated with 203.207.26.0/24 (4777 6939 9318 18401 18401) 203.207.28.0/24 4777 6939 9318 18401 18401 - Withdrawn - aggregated with 203.207.29.0/24 (4777 6939 9318 18401 18401) 203.207.29.0/24 4777 6939 9318 18401 18401 - Withdrawn - aggregated with 203.207.28.0/24 (4777 6939 9318 18401 18401) 203.207.30.0/24 4777 6939 9318 18401 18401 - Withdrawn - aggregated with 203.207.31.0/24 (4777 6939 9318 18401 18401) 203.207.31.0/24 4777 6939 9318 18401 18401 - Withdrawn - aggregated with 203.207.30.0/24 (4777 6939 9318 18401 18401) 203.241.214.0/23 4777 2497 4766 18401 18401 203.244.128.0/18 4777 2497 4766 18401 18401 220.149.0.0/21 4777 2497 4766 18401 18401 220.149.8.0/21 4777 6939 9318 18401 18401 + Announce - aggregate of 220.149.8.0/22 (4777 6939 9318 18401 18401) and 220.149.12.0/22 (4777 6939 9318 18401 18401) 220.149.8.0/22 4777 6939 9318 18401 18401 - Withdrawn - aggregated with 220.149.12.0/22 (4777 6939 9318 18401 18401) 220.149.12.0/23 4777 6939 9318 18401 18401 - Withdrawn - aggregated with 220.149.14.0/23 (4777 6939 9318 18401 18401) 220.149.14.0/23 4777 6939 9318 18401 18401 - Withdrawn - aggregated with 220.149.12.0/23 (4777 6939 9318 18401 18401)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS18401 20 More Specifics 23 Total Advertisements AS18401-AS-KR DAEGU UNIVERSITY, KR
203.207.16.0/24 203.207.16.0/20
203.207.17.0/24 203.207.16.0/20
203.207.18.0/24 203.207.16.0/20
203.207.19.0/24 203.207.16.0/20
203.207.20.0/24 203.207.16.0/20
203.207.21.0/24 203.207.16.0/20
203.207.22.0/24 203.207.16.0/20
203.207.23.0/24 203.207.16.0/20
203.207.24.0/24 203.207.16.0/20
203.207.25.0/24 203.207.16.0/20
203.207.26.0/24 203.207.16.0/20
203.207.27.0/24 203.207.16.0/20
203.207.28.0/24 203.207.16.0/20
203.207.29.0/24 203.207.16.0/20
203.207.30.0/24 203.207.16.0/20
203.207.31.0/24 203.207.16.0/20
220.149.0.0/21 220.149.0.0/16
220.149.8.0/22 220.149.0.0/16
220.149.12.0/23 220.149.0.0/16
220.149.14.0/23 220.149.0.0/16
whois: 402332
IANA has recorded AS18401 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS18401\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 'AS18401'
% Abuse contact for 'AS18401' is 'irt@nic.or.kr'
aut-num: AS18401
as-name: AS18401-AS-KR
descr: DAEGU UNIVERSITY
country: KR
admin-c: AM1350-AP
tech-c: AM1350-AP
import: from AS4766
action pref=10;
accept ANY
import: from AS9318
action pref=100;
accept ANY
export: to AS4766
announce AS18401
export: to AS9318
announce AS18401
mnt-by: MNT-KRNIC-AP
mnt-irt: IRT-KRNIC-KR
last-modified: 2020-02-07T01:54:01Z
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: Gyeongsangbuk-do Gyeongsan-si Daegudae-ro 201
country: KR
phone: +82-53-850-5525
e-mail: chbwoo@daegu.ac.kr
nic-hdl: AM1350-AP
mnt-by: MNT-KRNIC-AP
last-modified: 2022-08-26T01:32:02Z
source: APNIC
% Information related to 'AS18401'
aut-num: AS18401
as-name: AS18401-AS-KR-KR
descr: DAEGU UNIVERSITY
country: KR
import: from 9318 action pref=100 accept ANY
import: from 4766 action pref=10 accept ANY
export: to 9318 announce NEW
export: to 4766 announce NEW
admin-c: WC506-KR
tech-c: WC506-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: Gyeongsangbuk-do Gyeongsan-si Daegudae-ro 201
address: Digital Innovation Team
country: KR
phone: +82-53-850-5525
e-mail: chbwoo@daegu.ac.kr
nic-hdl: WC506-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)