38387 CMBSEJONG-AS-KR CMB Sejong Broadcasting Co,.Ltd, KR
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS9318 SKB-AS SK Broadband Co Ltd, KR
AS9457 DREAMX-AS DREAMLINE CO., KR
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 14517 AS38387 ORIGIN Originate: 5632 /19.54 Transit: 0 /0.00 CMBSEJONG-AS-KR CMB Sejong Broadcasting Co,.Ltd, 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 % 7497 AS38387 CMBSEJONG-AS-KR CMB Sejong Broadcasting Co,.L 16 10 4 10 6 37.50% Prefix AS Path Aggregation Suggestion 27.126.4.0/22 2914 9457 38387 + Announce - aggregate of 27.126.4.0/23 (2914 9457 38387) and 27.126.6.0/23 (2914 9457 38387) 27.126.4.0/24 2914 9457 38387 - Withdrawn - aggregated with 27.126.5.0/24 (2914 9457 38387) 27.126.5.0/24 2914 9457 38387 - Withdrawn - aggregated with 27.126.4.0/24 (2914 9457 38387) 27.126.6.0/24 2914 9457 38387 - Withdrawn - aggregated with 27.126.7.0/24 (2914 9457 38387) 27.126.7.0/24 2914 9457 38387 - Withdrawn - aggregated with 27.126.6.0/24 (2914 9457 38387) 27.126.9.0/24 2914 9457 38387 27.126.10.0/23 2914 9457 38387 + Announce - aggregate of 27.126.10.0/24 (2914 9457 38387) and 27.126.11.0/24 (2914 9457 38387) 27.126.10.0/24 2914 9457 38387 - Withdrawn - aggregated with 27.126.11.0/24 (2914 9457 38387) 27.126.11.0/24 2914 9457 38387 - Withdrawn - aggregated with 27.126.10.0/24 (2914 9457 38387) 27.126.18.0/23 2914 9457 38387 + Announce - aggregate of 27.126.18.0/24 (2914 9457 38387) and 27.126.19.0/24 (2914 9457 38387) 27.126.18.0/24 2914 9457 38387 - Withdrawn - aggregated with 27.126.19.0/24 (2914 9457 38387) 27.126.19.0/24 2914 9457 38387 - Withdrawn - aggregated with 27.126.18.0/24 (2914 9457 38387) 27.126.20.0/24 2914 9457 38387 27.126.21.0/24 2497 9318 38387 27.126.22.0/23 2497 9318 38387 + Announce - aggregate of 27.126.22.0/24 (2497 9318 38387) and 27.126.23.0/24 (2497 9318 38387) 27.126.22.0/24 2497 9318 38387 - Withdrawn - aggregated with 27.126.23.0/24 (2497 9318 38387) 27.126.23.0/24 2497 9318 38387 - Withdrawn - aggregated with 27.126.22.0/24 (2497 9318 38387) 27.126.47.0/24 2497 9318 38387 103.237.20.0/22 2497 9318 38387 163.53.156.0/22 2497 9318 38387
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS38387 14 More Specifics 16 Total Advertisements CMBSEJONG-AS-KR CMB Sejong Broadcasting Co,.Ltd, KR
27.126.4.0/24 27.126.0.0/18
27.126.5.0/24 27.126.0.0/18
27.126.6.0/24 27.126.0.0/18
27.126.7.0/24 27.126.0.0/18
27.126.9.0/24 27.126.0.0/18
27.126.10.0/24 27.126.0.0/18
27.126.11.0/24 27.126.0.0/18
27.126.18.0/24 27.126.0.0/18
27.126.19.0/24 27.126.0.0/18
27.126.20.0/24 27.126.0.0/18
27.126.21.0/24 27.126.0.0/18
27.126.22.0/24 27.126.0.0/18
27.126.23.0/24 27.126.0.0/18
27.126.47.0/24 27.126.0.0/18
whois: 402603
IANA has recorded AS38387 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS38387\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 'AS38387 - AS38436'
as-block: AS38387 - AS38436
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 AS38387 to AS38436
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 'AS38387'
% Abuse contact for 'AS38387' is 'irt@nic.or.kr'
aut-num: AS38387
as-name: CMBSEJONG-AS-KR
descr: CMB Sejong Broadcasting Co,.Ltd
country: KR
admin-c: AM2249-AP
tech-c: AM2249-AP
import: from AS9318
action pref=10;
accept ANY
import: from AS9848
action pref=100;
accept ANY
export: to AS9318
announce AS38387
export: to AS9848
announce AS38387
mnt-by: MNT-KRNIC-AP
mnt-irt: IRT-KRNIC-KR
last-modified: 2019-06-10T06:41:26Z
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: Sejong-si Sanhangni-gil
country: KR
phone: +82-70-8110-7918
e-mail: cmb515@cmb.co.kr
nic-hdl: AM2249-AP
mnt-by: MNT-KRNIC-AP
last-modified: 2023-11-07T00:16:02Z
source: APNIC
% Information related to 'AS38387'
aut-num: AS38387
as-name: CMBSEJONG-AS-KR-KR
descr: CMB Sejong Broadcasting Co,.Ltd
country: KR
import: from AS9848 action pref=100 accept ANY
import: from AS9318 action pref=10 accept ANY
export: to AS9848 announce NEW
export: to AS9318 announce NEW
admin-c: AM6003-KR
tech-c: IM6003-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: Sejong-si Sanhangni-gil
address: 16-49, Sanhangri-gil ,janggun-myeon,Sejong-si, Republic of Korea
country: KR
phone: +82-70-8110-7918
e-mail: cmb515@cmb.co.kr
nic-hdl: AM6003-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: Sejong-si Sanhangni-gil
address: 16-49, Sanhangri-gil ,janggun-myeon,Sejong-si, Republic of Korea
country: KR
phone: +82-70-8110-7918
e-mail: cmb515@cmb.co.kr
nic-hdl: IM6003-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)