38123 AMCSEOUL-AS-KR asan medical center, KR
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS9318 SKB-AS SK Broadband Co Ltd, KR
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 25167 AS38123 ORIGIN Originate: 2048 /21.00 Transit: 0 /0.00 AMCSEOUL-AS-KR asan medical center, 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 % 16669 AS38123 AMCSEOUL-AS-KR asan medical center, KR 8 4 2 6 2 25.00% Prefix AS Path Aggregation Suggestion 1.233.2.0/24 37100 9318 38123 210.122.170.0/23 37100 9318 38123 + Announce - aggregate of 210.122.170.0/24 (37100 9318 38123) and 210.122.171.0/24 (37100 9318 38123) 210.122.170.0/24 37100 9318 38123 - Withdrawn - aggregated with 210.122.171.0/24 (37100 9318 38123) 210.122.171.0/24 37100 9318 38123 - Withdrawn - aggregated with 210.122.170.0/24 (37100 9318 38123) 210.122.172.0/23 37100 9318 38123 + Announce - aggregate of 210.122.172.0/24 (37100 9318 38123) and 210.122.173.0/24 (37100 9318 38123) 210.122.172.0/24 37100 9318 38123 - Withdrawn - aggregated with 210.122.173.0/24 (37100 9318 38123) 210.122.173.0/24 37100 9318 38123 - Withdrawn - aggregated with 210.122.172.0/24 (37100 9318 38123) 211.109.239.0/24 37100 9318 38123 211.245.65.0/24 37100 9318 38123 211.245.254.0/24 37100 9318 38123
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS38123 9 More Specifics 9 Total Advertisements AMCSEOUL-AS-KR asan medical center, KR
1.233.2.0/24 1.224.0.0/11
210.122.170.0/24 210.122.0.0/16
210.122.171.0/24 210.122.0.0/16
210.122.172.0/24 210.122.0.0/16
210.122.173.0/24 210.122.0.0/16
210.122.174.0/24 210.122.0.0/16
211.109.239.0/24 211.108.0.0/15
211.245.65.0/24 211.244.0.0/15
211.245.254.0/24 211.244.0.0/15
whois: 402590
IANA has recorded AS38123 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS38123\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS37888 - AS38911'
as-block: AS37888 - AS38911
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: 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 'AS38086 - AS38135'
as-block: AS38086 - AS38135
descr: KRNIC-ASBLOCK-AP
descr: KRNIC
descr: Korea Network Information Center
country: KR
admin-c: HM127-AP
tech-c: HM127-AP
remarks: Block of 50 AS numbers from AS23552to AS23601
remarks: for assignment to KRNIC members
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: 2008-09-04T06:40:26Z
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 'AS38123'
% Abuse contact for 'AS38123' is 'irt@nic.or.kr'
aut-num: AS38123
as-name: AMCSEOUL-AS-KR
descr: asan medical center
country: KR
admin-c: AM1075-AP
tech-c: AM1075-AP
import: from AS9318
action pref=1;
accept ANY
import: from AS9848
action pref=1;
accept ANY
export: to AS9318
announce AS38123
export: to AS9848
announce AS38123
mnt-by: MNT-KRNIC-AP
mnt-irt: IRT-KRNIC-KR
last-modified: 2020-11-24T00:04:05Z
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: Seoul Songpa-gu Olympic-ro 43-gil 88
country: KR
phone: +82-2-3010-7575
e-mail: mailmaster@amc.seoul.kr
nic-hdl: AM1075-AP
mnt-by: MNT-KRNIC-AP
last-modified: 2023-09-13T05:46:04Z
source: APNIC
% Information related to 'AS38123'
aut-num: AS38123
as-name: AMCSEOUL-AS-KR-KR
descr: asan medical center
country: KR
import: from 9318 action pref=1 accept ANY
import: from 9848 action pref=1 accept ANY
export: to 9318 announce NEW
export: to 9848 announce NEW
admin-c: KH5025-KR
tech-c: KH5025-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: Seoul Songpa-gu Olympic-ro 43-gil 88
address:
country: KR
phone: +82-2-3010-7575
e-mail: mailmaster@amc.seoul.kr
nic-hdl: KH5025-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 1.88.48 (WHOIS-AU5)