18027 NSU-AS-KR Namseoul university, KR
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS3786 LGDACOM LG DACOM Corporation, KR
AS4766 KIXS-AS-KR Korea Telecom, KR
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 9468 AS18027 ORIGIN Originate: 11776 /18.48 Transit: 0 /0.00 NSU-AS-KR Namseoul 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 % 3739 AS18027 NSU-AS-KR Namseoul university, KR 27 20 6 13 14 51.85% Prefix AS Path Aggregation Suggestion 211.42.48.0/23 4777 2497 4766 18027 + Announce - aggregate of 211.42.48.0/24 (4777 2497 4766 18027) and 211.42.49.0/24 (4777 2497 4766 18027) 211.42.48.0/24 4777 2497 4766 18027 - Withdrawn - aggregated with 211.42.49.0/24 (4777 2497 4766 18027) 211.42.49.0/24 4777 2497 4766 18027 - Withdrawn - aggregated with 211.42.48.0/24 (4777 2497 4766 18027) 211.42.104.0/24 4777 2497 4766 18027 211.241.24.0/24 4777 2497 4766 18027 211.241.26.0/23 4777 2497 4766 18027 211.241.52.0/22 4777 2497 3786 18027 211.241.52.0/22 4777 2497 4766 18027 + Announce - aggregate of 211.241.52.0/23 (4777 2497 4766 18027) and 211.241.54.0/23 (4777 2497 4766 18027) 211.241.52.0/23 4777 2497 4766 18027 - Withdrawn - aggregated with 211.241.54.0/23 (4777 2497 4766 18027) 211.241.54.0/23 4777 2497 4766 18027 - Withdrawn - aggregated with 211.241.52.0/23 (4777 2497 4766 18027) 211.241.56.0/21 4777 2497 3786 18027 18027 18027 211.241.56.0/21 4777 2497 4766 18027 + Announce - aggregate of 211.241.56.0/22 (4777 2497 4766 18027) and 211.241.60.0/22 (4777 2497 4766 18027) 211.241.56.0/22 4777 2497 4766 18027 - Withdrawn - aggregated with 211.241.60.0/22 (4777 2497 4766 18027) 211.241.60.0/22 4777 2497 4766 18027 - Withdrawn - aggregated with 211.241.56.0/22 (4777 2497 4766 18027) 211.241.60.0/24 4777 2497 4766 18027 - Withdrawn - matching aggregate 211.241.60.0/22 4777 2497 4766 18027 211.241.61.0/24 4777 2497 4766 18027 - Withdrawn - matching aggregate 211.241.60.0/22 4777 2497 4766 18027 220.68.176.0/21 4777 2497 4766 18027 + Announce - aggregate of 220.68.176.0/22 (4777 2497 4766 18027) and 220.68.180.0/22 (4777 2497 4766 18027) 220.68.176.0/24 4777 2497 4766 18027 - Withdrawn - aggregated with 220.68.177.0/24 (4777 2497 4766 18027) 220.68.177.0/24 4777 2497 4766 18027 - Withdrawn - aggregated with 220.68.176.0/24 (4777 2497 4766 18027) 220.68.178.0/24 4777 2497 4766 18027 - Withdrawn - aggregated with 220.68.179.0/24 (4777 2497 4766 18027) 220.68.179.0/24 4777 2497 4766 18027 - Withdrawn - aggregated with 220.68.178.0/24 (4777 2497 4766 18027) 220.68.180.0/24 4777 2497 4766 18027 - Withdrawn - aggregated with 220.68.181.0/24 (4777 2497 4766 18027) 220.68.181.0/24 4777 2497 4766 18027 - Withdrawn - aggregated with 220.68.180.0/24 (4777 2497 4766 18027) 220.68.182.0/24 4777 2497 4766 18027 - Withdrawn - aggregated with 220.68.183.0/24 (4777 2497 4766 18027) 220.68.183.0/24 4777 2497 4766 18027 - Withdrawn - aggregated with 220.68.182.0/24 (4777 2497 4766 18027) 220.68.184.0/23 4777 2497 4766 18027 + Announce - aggregate of 220.68.184.0/24 (4777 2497 4766 18027) and 220.68.185.0/24 (4777 2497 4766 18027) 220.68.184.0/24 4777 2497 4766 18027 - Withdrawn - aggregated with 220.68.185.0/24 (4777 2497 4766 18027) 220.68.185.0/24 4777 2497 4766 18027 - Withdrawn - aggregated with 220.68.184.0/24 (4777 2497 4766 18027) 220.68.189.0/24 4777 2497 4766 18027 220.68.190.0/23 4777 2497 4766 18027 + Announce - aggregate of 220.68.190.0/24 (4777 2497 4766 18027) and 220.68.191.0/24 (4777 2497 4766 18027) 220.68.190.0/24 4777 2497 4766 18027 - Withdrawn - aggregated with 220.68.191.0/24 (4777 2497 4766 18027) 220.68.191.0/24 4777 2497 4766 18027 - Withdrawn - aggregated with 220.68.190.0/24 (4777 2497 4766 18027) 220.68.192.0/24 4777 2497 4766 18027
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS18027 27 More Specifics 27 Total Advertisements NSU-AS-KR Namseoul university, KR
211.42.48.0/24 211.42.0.0/17
211.42.49.0/24 211.42.0.0/17
211.42.104.0/24 211.42.0.0/17
211.241.24.0/24 211.241.0.0/17
211.241.26.0/23 211.241.0.0/17
211.241.52.0/22 211.241.0.0/17
211.241.52.0/23 211.241.0.0/17
211.241.54.0/23 211.241.0.0/17
211.241.56.0/21 211.241.0.0/17
211.241.56.0/22 211.241.0.0/17
211.241.60.0/22 211.241.0.0/17
211.241.60.0/24 211.241.0.0/17
211.241.61.0/24 211.241.0.0/17
220.68.176.0/24 220.68.0.0/15
220.68.177.0/24 220.68.0.0/15
220.68.178.0/24 220.68.0.0/15
220.68.179.0/24 220.68.0.0/15
220.68.180.0/24 220.68.0.0/15
220.68.181.0/24 220.68.0.0/15
220.68.182.0/24 220.68.0.0/15
220.68.183.0/24 220.68.0.0/15
220.68.184.0/24 220.68.0.0/15
220.68.185.0/24 220.68.0.0/15
220.68.189.0/24 220.68.0.0/15
220.68.190.0/24 220.68.0.0/15
220.68.191.0/24 220.68.0.0/15
220.68.192.0/24 220.68.0.0/15
whois: 402332
IANA has recorded AS18027 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS18027\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 'AS18027'
% Abuse contact for 'AS18027' is 'irt@nic.or.kr'
aut-num: AS18027
as-name: NSU-AS-KR
descr: Namseoul university
country: KR
admin-c: AM1334-AP
tech-c: AM1334-AP
import: from AS3786
action pref=100;
accept ANY
import: from AS4766
action pref=100;
accept ANY
export: to AS3786
announce AS18027
export: to AS4766
announce AS18027
mnt-by: MNT-KRNIC-AP
mnt-irt: IRT-KRNIC-KR
last-modified: 2022-11-01T06:30:05Z
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: Chungcheongnam-do Seobuk-gu, Cheonan-si Daehak-ro 91
country: KR
phone: +82-41-580-2091
e-mail: paul@nsu.ac.kr
nic-hdl: AM1334-AP
mnt-by: MNT-KRNIC-AP
last-modified: 2022-11-01T06:30:05Z
source: APNIC
% Information related to 'AS18027'
aut-num: AS18027
as-name: NSU-AS-KR-KR
descr: Namseoul university
country: KR
import: from AS3786 action pref=100 accept ANY
import: from AS4766 action pref=100 accept ANY
export: to AS3786 announce NEW
export: to AS4766 announce NEW
admin-c: CS434-KR
tech-c: KJ434-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: Chungcheongnam-do Seobuk-gu, Cheonan-si Daehak-ro 91
address: floor 3 computer center
country: KR
phone: +82-41-580-2091
e-mail: paul@nsu.ac.kr
nic-hdl: CS434-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
person: AS Manager
address: Chungcheongnam-do Seobuk-gu, Cheonan-si Daehak-ro 91
address: floor 3 computer center
country: KR
phone: +82-41-580-2091
e-mail: paul@nsu.ac.kr
nic-hdl: KJ434-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)