9971 DONGDAEMUNCABLEINTERNET-AS-KR TBROAD Dongdaemun cable networks,Inc.
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS9848 GNGAS Enterprise Networks
AS18302 SKG_NW-AS-KR SK Global co., Ltd
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 4193 AS9971 ORIGIN Originate: 24832 /17.40 Transit: 0 /0.00 DONGDAEMUNCABLEINTERNET-AS-KR TBROAD Dongdaemun cable networks,Inc.
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 % 887 AS9971 DONGDAEMUNCABLEINTERNET-AS-KR TBROAD Don 25 20 5 10 15 60.00% Prefix AS Path Aggregation Suggestion 58.103.0.0/24 4637 18302 9971 124.197.128.0/22 4637 18302 9971 124.197.132.0/22 4637 18302 9971 9971 9971 124.197.136.0/21 4637 18302 9971 9971 9971 + Announce - aggregate of 124.197.136.0/22 (4637 18302 9971 9971 9971) and 124.197.140.0/22 (4637 18302 9971 9971 9971) 124.197.136.0/22 4637 18302 9971 9971 9971 - Withdrawn - aggregated with 124.197.140.0/22 (4637 18302 9971 9971 9971) 124.197.140.0/22 4637 18302 9971 9971 9971 - Withdrawn - aggregated with 124.197.136.0/22 (4637 18302 9971 9971 9971) 124.197.144.0/21 4637 18302 9971 + Announce - aggregate of 124.197.144.0/22 (4637 18302 9971) and 124.197.148.0/22 (4637 18302 9971) 124.197.144.0/22 4637 18302 9971 - Withdrawn - aggregated with 124.197.148.0/22 (4637 18302 9971) 124.197.148.0/22 4637 18302 9971 - Withdrawn - aggregated with 124.197.144.0/22 (4637 18302 9971) 124.197.152.0/22 4637 18302 9971 124.197.156.0/22 4637 18302 9971 9971 9971 124.197.160.0/19 4637 18302 9971 + Announce - aggregate of 124.197.160.0/20 (4637 18302 9971) and 124.197.176.0/20 (4637 18302 9971) 124.197.160.0/22 4637 18302 9971 - Withdrawn - aggregated with 124.197.164.0/22 (4637 18302 9971) 124.197.164.0/22 4637 18302 9971 - Withdrawn - aggregated with 124.197.160.0/22 (4637 18302 9971) 124.197.168.0/22 4637 18302 9971 - Withdrawn - aggregated with 124.197.172.0/22 (4637 18302 9971) 124.197.172.0/22 4637 18302 9971 - Withdrawn - aggregated with 124.197.168.0/22 (4637 18302 9971) 124.197.176.0/22 4637 18302 9971 - Withdrawn - aggregated with 124.197.180.0/22 (4637 18302 9971) 124.197.180.0/22 4637 18302 9971 - Withdrawn - aggregated with 124.197.176.0/22 (4637 18302 9971) 124.197.184.0/22 4637 18302 9971 - Withdrawn - aggregated with 124.197.188.0/22 (4637 18302 9971) 124.197.188.0/22 4637 18302 9971 - Withdrawn - aggregated with 124.197.184.0/22 (4637 18302 9971) 124.197.192.0/20 4637 10026 9848 9971 9971 9971 9971 + Announce - aggregate of 124.197.192.0/21 (4637 10026 9848 9971 9971 9971 9971) and 124.197.200.0/21 (4637 10026 9848 9971 9971 9971 9971) 124.197.192.0/22 4637 10026 9848 9971 9971 9971 9971 - Withdrawn - aggregated with 124.197.196.0/22 (4637 10026 9848 9971 9971 9971 9971) 124.197.196.0/22 4637 10026 9848 9971 9971 9971 9971 - Withdrawn - aggregated with 124.197.192.0/22 (4637 10026 9848 9971 9971 9971 9971) 124.197.200.0/22 4637 10026 9848 9971 9971 9971 9971 - Withdrawn - aggregated with 124.197.204.0/22 (4637 10026 9848 9971 9971 9971 9971) 124.197.204.0/22 4637 10026 9848 9971 9971 9971 9971 - Withdrawn - aggregated with 124.197.200.0/22 (4637 10026 9848 9971 9971 9971 9971) 124.197.208.0/20 4637 10026 9848 9971 + Announce - aggregate of 124.197.208.0/21 (4637 10026 9848 9971) and 124.197.216.0/21 (4637 10026 9848 9971) 124.197.208.0/22 4637 10026 9848 9971 - Withdrawn - aggregated with 124.197.212.0/22 (4637 10026 9848 9971) 124.197.212.0/22 4637 10026 9848 9971 - Withdrawn - aggregated with 124.197.208.0/22 (4637 10026 9848 9971) 124.197.216.0/22 4637 10026 9848 9971 - Withdrawn - aggregated with 124.197.220.0/22 (4637 10026 9848 9971) 124.197.220.0/22 4637 10026 9848 9971 - Withdrawn - aggregated with 124.197.216.0/22 (4637 10026 9848 9971)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS9971 25 More Specifics 25 Total Advertisements DONGDAEMUNCABLEINTERNET-AS-KR TBROAD Dongdaemun cable networks,Inc.
58.103.0.0/24 58.102.0.0/15
124.197.128.0/22 124.197.128.0/18
124.197.132.0/22 124.197.128.0/18
124.197.136.0/22 124.197.128.0/18
124.197.140.0/22 124.197.128.0/18
124.197.144.0/22 124.197.128.0/18
124.197.148.0/22 124.197.128.0/18
124.197.152.0/22 124.197.128.0/18
124.197.156.0/22 124.197.128.0/18
124.197.160.0/22 124.197.128.0/18
124.197.164.0/22 124.197.128.0/18
124.197.168.0/22 124.197.128.0/18
124.197.172.0/22 124.197.128.0/18
124.197.176.0/22 124.197.128.0/18
124.197.180.0/22 124.197.128.0/18
124.197.184.0/22 124.197.128.0/18
124.197.188.0/22 124.197.128.0/18
124.197.192.0/22 124.197.192.0/19
124.197.196.0/22 124.197.192.0/19
124.197.200.0/22 124.197.192.0/19
124.197.204.0/22 124.197.192.0/19
124.197.208.0/22 124.197.192.0/19
124.197.212.0/22 124.197.192.0/19
124.197.216.0/22 124.197.192.0/19
124.197.220.0/22 124.197.192.0/19
whois: 402603
IANA has recorded AS9971 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS9971\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS9249 - AS10239'
as-block: AS9249 - AS10239
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: 2022-09-22T22:36:45Z
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 'AS9943 - AS9982'
as-block: AS9943 - AS9982
descr: KRNIC-ASBLOCK-AP
descr: KRNIC
descr: Korea Network Information Center
country: KR
admin-c: HM127-AP
tech-c: HM127-AP
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: 2017-06-15T04:25:41Z
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 'AS9971'
% Abuse contact for 'AS9971' is 'irt@nic.or.kr'
aut-num: AS9971
as-name: SKB-DONGDAEMUNCABLEINTERNET-AS-KR
descr: SK Broadband Co Ltd
country: KR
admin-c: AM1447-AP
tech-c: AM1447-AP
import: from AS18302
action pref=18302;
accept ANY
import: from AS9848
action pref=18302;
accept ANY
export: to AS18302
announce AS9971
export: to AS9848
announce AS9971
mnt-by: MNT-KRNIC-AP
mnt-irt: IRT-KRNIC-KR
last-modified: 2020-12-29T05:58:02Z
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 Jung-gu Toegye-ro 24
country: KR
phone: +82-80-8282-106
e-mail: ip-adm@skbroadband.com
nic-hdl: AM1447-AP
mnt-by: MNT-KRNIC-AP
last-modified: 2020-12-29T05:58:03Z
source: APNIC
% Information related to 'AS9971'
aut-num: AS9971
as-name: SKB-DONGDAEMUNCABLEINTERNET-AS-KR-KR
descr: SK Broadband Co Ltd
country: KR
import: from 18302 action pref=18302 accept ANY
import: from 9848 action pref=18302 accept ANY
export: to 18302 announce NEW
export: to 9848 announce NEW
admin-c: AM6577-KR
tech-c: AM6577-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 Jung-gu Toegye-ro 24
address: SKB
country: KR
phone: +82-80-8282-106
e-mail: ip-adm@skbroadband.com
nic-hdl: AM6577-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)