9526 KOSCOM-AS-KR KOSCOM, KR
Adjacency: 4 Upstream: 3 Downstream: 1
Upstream Adjacent AS list
AS9318 SKB-AS SK Broadband Co Ltd, KR
AS3786 LGDACOM LG DACOM Corporation, KR
AS4766 KIXS-AS-KR Korea Telecom, KR
Downstream Adjacent AS list
AS9525 DBFI-AS DB Financial Investment Co.,Ltd., KR
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 6350 AS9526 ORG+TRN Originate: 23296 /17.49 Transit: 256 /24.00 KOSCOM-AS-KR KOSCOM, 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 % 6423 AS9526 KOSCOM-AS-KR KOSCOM, KR 44 13 6 37 7 15.91% Prefix AS Path Aggregation Suggestion 1.209.90.0/23 37100 4766 9526 + Announce - aggregate of 1.209.90.0/24 (37100 4766 9526) and 1.209.91.0/24 (37100 4766 9526) 1.209.90.0/24 37100 4766 9526 - Withdrawn - aggregated with 1.209.91.0/24 (37100 4766 9526) 1.209.91.0/24 37100 4766 9526 - Withdrawn - aggregated with 1.209.90.0/24 (37100 4766 9526) 1.209.92.0/24 37100 4766 9526 1.254.228.0/24 37100 4766 9526 39.125.128.0/21 37100 4766 9526 58.123.17.0/24 37100 4766 9526 58.124.249.0/24 37100 4766 9526 58.124.250.0/24 37100 4766 9526 59.15.30.0/24 37100 4766 9526 103.244.108.0/22 37100 4766 9526 112.166.143.0/24 37100 4766 9526 112.172.179.0/24 37100 4766 9526 114.31.112.0/20 37100 3786 9526 + Announce - aggregate of 114.31.112.0/21 (37100 3786 9526) and 114.31.120.0/21 (37100 3786 9526) 114.31.112.0/21 37100 3786 9526 - Withdrawn - aggregated with 114.31.120.0/21 (37100 3786 9526) 114.31.120.0/21 37100 3786 9526 - Withdrawn - aggregated with 114.31.112.0/21 (37100 3786 9526) 115.89.12.0/24 37100 4766 9526 118.37.63.0/24 37100 4766 9526 121.141.60.0/24 37100 4766 9526 121.141.229.0/24 37100 4766 9526 123.141.73.0/24 37100 3786 9526 128.134.148.0/22 37100 3786 9526 175.197.165.0/24 37100 4766 9526 183.102.77.0/24 37100 4766 9526 203.246.173.0/24 37100 3786 9526 203.246.174.0/23 37100 3786 9526 + Announce - aggregate of 203.246.174.0/24 (37100 3786 9526) and 203.246.175.0/24 (37100 3786 9526) 203.246.174.0/24 37100 3786 9526 - Withdrawn - aggregated with 203.246.175.0/24 (37100 3786 9526) 203.246.175.0/24 37100 3786 9526 - Withdrawn - aggregated with 203.246.174.0/24 (37100 3786 9526) 210.108.26.0/23 37100 4766 9526 + Announce - aggregate of 210.108.26.0/24 (37100 4766 9526) and 210.108.27.0/24 (37100 4766 9526) 210.108.26.0/24 37100 4766 9526 - Withdrawn - aggregated with 210.108.27.0/24 (37100 4766 9526) 210.108.27.0/24 37100 4766 9526 - Withdrawn - aggregated with 210.108.26.0/24 (37100 4766 9526) 210.108.137.0/24 37100 4766 9526 210.123.14.0/24 37100 3786 9526 210.207.195.0/24 37100 3786 9526 211.169.8.0/24 37100 4766 9526 211.169.225.0/24 37100 4766 9526 211.175.81.0/24 37100 3786 9526 211.175.82.0/24 37100 3786 9526 211.200.21.0/24 6939 4766 9526 211.255.192.0/20 37100 3786 9526 + Announce - aggregate of 211.255.192.0/21 (37100 3786 9526) and 211.255.200.0/21 (37100 3786 9526) 211.255.192.0/21 37100 3786 9526 - Withdrawn - aggregated with 211.255.200.0/21 (37100 3786 9526) 211.255.200.0/21 37100 3786 9526 - Withdrawn - aggregated with 211.255.192.0/21 (37100 3786 9526) 211.255.202.0/24 37100 3786 9526 - Withdrawn - matching aggregate 211.255.200.0/21 37100 3786 9526 220.76.239.0/24 37100 4766 9526 221.147.83.0/24 37100 4766 9526 221.151.180.0/24 37100 4766 9526 221.168.32.0/21 37100 4766 9526 + Announce - aggregate of 221.168.32.0/22 (37100 4766 9526) and 221.168.36.0/22 (37100 4766 9526) 221.168.32.0/22 37100 4766 9526 - Withdrawn - aggregated with 221.168.36.0/22 (37100 4766 9526) 221.168.36.0/22 37100 4766 9526 - Withdrawn - aggregated with 221.168.32.0/22 (37100 4766 9526) 222.108.70.0/24 37100 4766 9526
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS9526 40 More Specifics 41 Total Advertisements KOSCOM-AS-KR KOSCOM, KR
1.209.90.0/24 1.208.0.0/12
1.209.91.0/24 1.208.0.0/12
1.209.92.0/24 1.208.0.0/12
1.254.228.0/24 1.224.0.0/11
39.125.128.0/21 39.112.0.0/12
58.123.17.0/24 58.120.0.0/13
58.124.249.0/24 58.120.0.0/13
58.124.250.0/24 58.120.0.0/13
59.15.30.0/24 59.0.0.0/11
112.166.143.0/24 112.160.0.0/11
112.172.179.0/24 112.160.0.0/11
114.31.112.0/21 114.31.112.0/20
114.31.120.0/21 114.31.112.0/20
118.37.63.0/24 118.32.0.0/11
121.141.60.0/24 121.128.0.0/11
121.141.229.0/24 121.128.0.0/11
128.134.148.0/22 128.134.0.0/16
175.197.165.0/24 175.192.0.0/10
183.102.77.0/24 183.96.0.0/11
203.246.173.0/24 203.246.160.0/20
203.246.174.0/24 203.246.160.0/20
203.246.175.0/24 203.246.160.0/20
210.108.26.0/24 210.108.0.0/16
210.108.27.0/24 210.108.0.0/16
210.108.137.0/24 210.108.0.0/16
210.123.14.0/24 210.123.0.0/16
210.207.195.0/24 210.206.0.0/15
211.169.225.0/24 211.168.0.0/14
211.175.81.0/24 211.175.0.0/16
211.175.82.0/24 211.175.0.0/16
211.200.21.0/24 211.200.0.0/16
211.255.192.0/21 211.255.192.0/20
211.255.200.0/21 211.255.192.0/20
211.255.202.0/24 211.255.192.0/20
220.76.239.0/24 220.72.0.0/13
221.147.83.0/24 221.144.0.0/12
221.151.180.0/24 221.144.0.0/12
221.168.32.0/22 221.168.0.0/16
221.168.36.0/22 221.168.0.0/16
222.108.70.0/24 222.96.0.0/12
14.50.51.0/25 14.32.0.0/11
61.39.179.128/27 61.32.0.0/13
61.39.183.32/27 61.32.0.0/13
115.89.12.0/24 115.88.0.0/13
123.141.73.0/24 123.140.0.0/14
210.206.154.224/27 210.206.0.0/15
211.169.8.0/24 211.168.0.0/14
Prefixes added and withdrawn by this origin AS in the past 7 days.
- 14.50.51.0/25 Withdrawn
- 61.39.179.128/27 Withdrawn
- 61.39.183.32/27 Withdrawn
- 115.89.12.0/24 Withdrawn
- 123.141.73.0/24 Withdrawn
- 210.206.154.224/27 Withdrawn
- 211.169.8.0/24 Withdrawn
whois: 402590
IANA has recorded AS9526 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS9526\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 'AS9521 - AS9532'
as-block: AS9521 - AS9532
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: 2017-06-15T04:25:40Z
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 'AS9526'
% Abuse contact for 'AS9526' is 'irt@nic.or.kr'
aut-num: AS9526
as-name: KOSCOM-AS-KR
descr: KOSCOM
country: KR
admin-c: AM1767-AP
tech-c: AM1767-AP
import: from AS3786
action pref=20;
accept ANY
import: from AS4766
action pref=10;
accept ANY
import: from AS9286
action pref=10;
accept ANY
import: from AS9318
action pref=20;
accept ANY
export: to AS3786
announce AS9526
export: to AS4766
announce AS9526
export: to AS9286
announce AS9526
export: to AS9318
announce AS9526
mnt-by: MNT-KRNIC-AP
mnt-irt: IRT-KRNIC-KR
last-modified: 2021-08-30T05:20:04Z
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 Yeouinaru-ro 4-gil 21
country: KR
phone: +82-2-767-7127
e-mail: jmkang@koscom.co.kr
nic-hdl: AM1767-AP
mnt-by: MNT-KRNIC-AP
last-modified: 2025-11-18T00:04:03Z
source: APNIC
% Information related to 'AS9526'
aut-num: AS9526
as-name: KOSCOM-AS-KR-KR
descr: KOSCOM
country: KR
import: from 9286 action pref=10 accept ANY
import: from 9318 action pref=20 accept ANY
import: from 3786 action pref=20 accept ANY
import: from 4766 action pref=10 accept ANY
export: to 9286 announce AS9526
export: to 9318 announce NEW
export: to 3786 announce NEW
export: to 4766 announce NEW
admin-c: JC89-KR
tech-c: JH89-KR
mnt-by: MNT-KRNIC-AP
mnt-irt: IRT-KRNIC-KR
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: Seoul Yeongdeungpo-gu Yeouinaru-ro 4-gil 21
address: koscom
country: KR
phone: +82-2-767-7127
e-mail: jmkang@koscom.co.kr
nic-hdl: JC89-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: Seoul Yeongdeungpo-gu Yeouinaru-ro 4-gil 21
address: koscom
country: KR
phone: +82-2-767-7127
e-mail: jmkang@koscom.co.kr
nic-hdl: JH89-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)