38680 CMBHK-AS-KR-KR - CMB, KR
Adjacency: 3 Upstream: 2 Downstream: 1
Upstream Adjacent AS list
AS9318 SKB-AS-KR - SK Broadband Co Ltd, KR
AS9457 DREAMX-AS-KR - DREAMLINE CO., KR
Downstream Adjacent AS list
AS38133 MULTINET-AS-KR-KR - CMB, KR
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 4596 AS38680 ORG+TRN Originate: 43776 /16.58 Transit: 27392 /17.26 CMBHK-AS-KR-KR - CMB, 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 % 2894 AS38680 CMBHK-AS-KR-KR - CMB, KR 45 27 8 26 19 42.22% Prefix AS Path Aggregation Suggestion 103.66.188.0/22 4777 2516 9318 38680 103.246.172.0/22 4777 2516 9318 38680 116.255.64.0/22 4777 4713 2914 9457 38680 116.255.68.0/22 4777 2516 9318 38680 116.255.72.0/22 4777 2516 9318 38680 116.255.76.0/22 4777 4713 2914 9457 38680 116.255.80.0/22 4777 2516 9318 38680 116.255.84.0/22 4777 4713 2914 9457 38680 116.255.88.0/22 4777 4713 2914 9457 38680 116.255.92.0/22 4777 2516 9318 38680 116.255.96.0/20 4777 2516 9318 38680 + Announce - aggregate of 116.255.96.0/21 (4777 2516 9318 38680) and 116.255.104.0/21 (4777 2516 9318 38680) 116.255.96.0/22 4777 2516 9318 38680 - Withdrawn - aggregated with 116.255.100.0/22 (4777 2516 9318 38680) 116.255.100.0/22 4777 2516 9318 38680 - Withdrawn - aggregated with 116.255.96.0/22 (4777 2516 9318 38680) 116.255.104.0/22 4777 2516 9318 38680 - Withdrawn - aggregated with 116.255.108.0/22 (4777 2516 9318 38680) 116.255.108.0/22 4777 2516 9318 38680 - Withdrawn - aggregated with 116.255.104.0/22 (4777 2516 9318 38680) 116.255.112.0/22 4777 4713 2914 9457 38680 116.255.116.0/22 4777 2516 9318 38680 116.255.120.0/21 4777 2516 9318 38680 + Announce - aggregate of 116.255.120.0/22 (4777 2516 9318 38680) and 116.255.124.0/22 (4777 2516 9318 38680) 116.255.120.0/22 4777 2516 9318 38680 - Withdrawn - aggregated with 116.255.124.0/22 (4777 2516 9318 38680) 116.255.124.0/22 4777 2516 9318 38680 - Withdrawn - aggregated with 116.255.120.0/22 (4777 2516 9318 38680) 116.255.125.0/24 4777 2516 9318 38680 - Withdrawn - matching aggregate 116.255.124.0/22 4777 2516 9318 38680 116.255.126.0/24 4777 2516 9318 38680 - Withdrawn - matching aggregate 116.255.124.0/22 4777 2516 9318 38680 116.255.127.0/24 4777 2516 9318 38680 - Withdrawn - matching aggregate 116.255.124.0/22 4777 2516 9318 38680 124.195.224.0/22 4777 4713 2914 9457 38680 124.195.228.0/22 4777 2516 9318 38680 124.195.232.0/21 4777 2516 9318 38680 + Announce - aggregate of 124.195.232.0/22 (4777 2516 9318 38680) and 124.195.236.0/22 (4777 2516 9318 38680) 124.195.232.0/22 4777 2516 9318 38680 - Withdrawn - aggregated with 124.195.236.0/22 (4777 2516 9318 38680) 124.195.236.0/22 4777 2516 9318 38680 - Withdrawn - aggregated with 124.195.232.0/22 (4777 2516 9318 38680) 124.195.240.0/20 4777 2516 9318 38680 + Announce - aggregate of 124.195.240.0/21 (4777 2516 9318 38680) and 124.195.248.0/21 (4777 2516 9318 38680) 124.195.240.0/22 4777 2516 9318 38680 - Withdrawn - aggregated with 124.195.244.0/22 (4777 2516 9318 38680) 124.195.244.0/22 4777 2516 9318 38680 - Withdrawn - aggregated with 124.195.240.0/22 (4777 2516 9318 38680) 124.195.248.0/22 4777 2516 9318 38680 - Withdrawn - aggregated with 124.195.252.0/22 (4777 2516 9318 38680) 124.195.252.0/22 4777 2516 9318 38680 - Withdrawn - aggregated with 124.195.248.0/22 (4777 2516 9318 38680) 180.233.192.0/20 4777 2516 9318 38680 + Announce - aggregate of 180.233.192.0/21 (4777 2516 9318 38680) and 180.233.200.0/21 (4777 2516 9318 38680) 180.233.192.0/22 4777 2516 9318 38680 - Withdrawn - aggregated with 180.233.196.0/22 (4777 2516 9318 38680) 180.233.196.0/22 4777 2516 9318 38680 - Withdrawn - aggregated with 180.233.192.0/22 (4777 2516 9318 38680) 180.233.200.0/22 4777 2516 9318 38680 - Withdrawn - aggregated with 180.233.204.0/22 (4777 2516 9318 38680) 180.233.204.0/22 4777 2516 9318 38680 - Withdrawn - aggregated with 180.233.200.0/22 (4777 2516 9318 38680) 180.233.208.0/21 4777 2516 9318 38680 + Announce - aggregate of 180.233.208.0/22 (4777 2516 9318 38680) and 180.233.212.0/22 (4777 2516 9318 38680) 180.233.208.0/22 4777 2516 9318 38680 - Withdrawn - aggregated with 180.233.212.0/22 (4777 2516 9318 38680) 180.233.212.0/22 4777 2516 9318 38680 - Withdrawn - aggregated with 180.233.208.0/22 (4777 2516 9318 38680) 180.233.216.0/22 4777 2516 9318 38680 180.233.220.0/22 4777 4713 2914 9457 38680 180.233.224.0/20 4777 2516 9318 38680 + Announce - aggregate of 180.233.224.0/21 (4777 2516 9318 38680) and 180.233.232.0/21 (4777 2516 9318 38680) 180.233.224.0/22 4777 2516 9318 38680 - Withdrawn - aggregated with 180.233.228.0/22 (4777 2516 9318 38680) 180.233.228.0/22 4777 2516 9318 38680 - Withdrawn - aggregated with 180.233.224.0/22 (4777 2516 9318 38680) 180.233.232.0/22 4777 2516 9318 38680 - Withdrawn - aggregated with 180.233.236.0/22 (4777 2516 9318 38680) 180.233.236.0/22 4777 2516 9318 38680 - Withdrawn - aggregated with 180.233.232.0/22 (4777 2516 9318 38680) 180.233.240.0/21 4777 2516 9318 38680 + Announce - aggregate of 180.233.240.0/22 (4777 2516 9318 38680) and 180.233.244.0/22 (4777 2516 9318 38680) 180.233.240.0/22 4777 2516 9318 38680 - Withdrawn - aggregated with 180.233.244.0/22 (4777 2516 9318 38680) 180.233.244.0/22 4777 2516 9318 38680 - Withdrawn - aggregated with 180.233.240.0/22 (4777 2516 9318 38680) 180.233.248.0/22 4777 4713 2914 9457 38680 180.233.252.0/22 4777 2516 9318 38680
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS38680 43 More Specifics 45 Total Advertisements CMBHK-AS-KR-KR - CMB, KR
116.255.64.0/22 116.255.64.0/18
116.255.68.0/22 116.255.64.0/18
116.255.72.0/22 116.255.64.0/18
116.255.76.0/22 116.255.64.0/18
116.255.80.0/22 116.255.64.0/18
116.255.84.0/22 116.255.64.0/18
116.255.88.0/22 116.255.64.0/18
116.255.92.0/22 116.255.64.0/18
116.255.96.0/22 116.255.64.0/18
116.255.100.0/22 116.255.64.0/18
116.255.104.0/22 116.255.64.0/18
116.255.108.0/22 116.255.64.0/18
116.255.112.0/22 116.255.64.0/18
116.255.116.0/22 116.255.64.0/18
116.255.120.0/22 116.255.64.0/18
116.255.124.0/22 116.255.64.0/18
116.255.125.0/24 116.255.64.0/18
116.255.126.0/24 116.255.64.0/18
116.255.127.0/24 116.255.64.0/18
124.195.224.0/22 124.195.224.0/19
124.195.228.0/22 124.195.224.0/19
124.195.232.0/22 124.195.224.0/19
124.195.236.0/22 124.195.224.0/19
124.195.240.0/22 124.195.224.0/19
124.195.244.0/22 124.195.224.0/19
124.195.248.0/22 124.195.224.0/19
124.195.252.0/22 124.195.224.0/19
180.233.192.0/22 180.233.192.0/18
180.233.196.0/22 180.233.192.0/18
180.233.200.0/22 180.233.192.0/18
180.233.204.0/22 180.233.192.0/18
180.233.208.0/22 180.233.192.0/18
180.233.212.0/22 180.233.192.0/18
180.233.216.0/22 180.233.192.0/18
180.233.220.0/22 180.233.192.0/18
180.233.224.0/22 180.233.192.0/18
180.233.228.0/22 180.233.192.0/18
180.233.232.0/22 180.233.192.0/18
180.233.236.0/22 180.233.192.0/18
180.233.240.0/22 180.233.192.0/18
180.233.244.0/22 180.233.192.0/18
180.233.248.0/22 180.233.192.0/18
180.233.252.0/22 180.233.192.0/18
whois: 402603
IANA has recorded AS38680 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS38680\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 'AS38660 - AS38709'
as-block: AS38660 - AS38709
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 AS38660 - AS38709
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 'AS38680'
% Abuse contact for 'AS38680' is 'irt@nic.or.kr'
aut-num: AS38680
as-name: CMBHK-AS-KR
descr: CMB
country: KR
admin-c: AM1602-AP
tech-c: AM1602-AP
import: from AS9318
action pref=10;
accept ANY
import: from AS9457
action pref=100;
accept ANY
export: to AS9318
announce AS38680
export: to AS9457
announce AS38680
mnt-by: MNT-KRNIC-AP
mnt-irt: IRT-KRNIC-KR
last-modified: 2022-08-31T02:04:03Z
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 Yeongdeungpo-gu Yangpyeong-ro 17-gil 22
country: KR
phone: +82-70-8110-7147
e-mail: js9239@cmb.co.kr
nic-hdl: AM1602-AP
mnt-by: MNT-KRNIC-AP
last-modified: 2025-11-17T07:44:06Z
source: APNIC
% Information related to 'AS38680'
aut-num: AS38680
as-name: CMBHK-AS-KR-KR
descr: CMB
country: KR
import: from 9457 action pref=100 accept ANY
import: from 9318 action pref=10 accept ANY
export: to 9457 announce AS38680
export: to 9318 announce AS38680
admin-c: PJ1121-KR
tech-c: PJ1121-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 Yeongdeungpo-gu Yangpyeong-ro 17-gil 22
address: CMB Building
country: KR
phone: +82-70-8110-7147
e-mail: js9239@cmb.co.kr
nic-hdl: PJ1121-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 1.88.48 (WHOIS-AU5)