9644 SKTELECOM-NET-AS SK Telecom, KR
Adjacency: 3 Upstream: 1 Downstream: 2
Upstream Adjacent AS list
AS9318 SKB-AS SK Broadband Co Ltd, KR
Downstream Adjacent AS list
AS17592 IBK-AS-KR Industrial Bank of Korea, KR
AS23743 KOMIPO1-AS-KR KOREA MIDLAND POWER, KR
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 97 AS9644 ORG+TRN Originate: 7271424 /9.21 Transit: 512 /23.00 SKTELECOM-NET-AS SK Telecom, 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 % 12203 AS9644 SKTELECOM-NET-AS SK Telecom, KR 37 3 0 34 3 8.11% Prefix AS Path Aggregation Suggestion 27.160.0.0/12 37100 9318 9644 27.176.0.0/13 37100 9318 9644 42.16.0.0/12 37100 9318 9644 42.32.0.0/12 37100 9318 9644 58.102.0.0/15 37100 9318 9644 61.104.0.0/16 37100 9318 9644 61.250.0.0/18 37100 9318 9644 61.254.128.0/19 37100 9318 9644 111.218.0.0/15 37100 9318 9644 111.218.0.0/17 37100 9318 9644 - Withdrawn - matching aggregate 111.218.0.0/15 37100 9318 9644 111.218.128.0/17 37100 9318 9644 - Withdrawn - matching aggregate 111.218.0.0/15 37100 9318 9644 111.219.0.0/16 37100 9318 9644 - Withdrawn - matching aggregate 111.218.0.0/15 37100 9318 9644 113.216.0.0/15 37100 9318 9644 114.52.0.0/15 37100 9318 9644 123.228.0.0/15 37100 9318 9644 124.0.0.0/15 37100 9318 9644 180.132.0.0/14 37100 9318 9644 203.226.192.0/19 37100 9318 9644 203.226.224.0/20 37100 9318 9644 203.226.240.0/21 37100 9318 9644 203.226.248.0/22 37100 9318 9644 203.236.0.0/19 37100 9318 9644 203.236.32.0/21 37100 9318 9644 203.236.40.0/22 37100 9318 9644 211.111.176.0/20 37100 9318 9644 211.115.0.0/19 37100 9318 9644 211.188.128.0/17 37100 9318 9644 211.234.128.0/18 37100 9318 9644 211.234.192.0/19 37100 9318 9644 211.234.224.0/20 37100 9318 9644 211.234.244.0/22 37100 9318 9644 211.234.248.0/21 37100 9318 9644 211.235.64.0/18 37100 9318 9644 211.235.128.0/18 37100 9318 9644 211.240.128.0/17 37100 9318 9644 220.103.0.0/16 37100 9318 9644 223.32.0.0/11 37100 9318 9644
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS9644 5 More Specifics 33 Total Advertisements SKTELECOM-NET-AS SK Telecom, KR
111.218.0.0/17 111.218.0.0/15
111.218.64.0/21 111.218.0.0/15
111.218.128.0/17 111.218.0.0/15
211.111.184.0/24 211.111.176.0/20
211.111.185.0/24 211.111.176.0/20
whois: 402590
IANA has recorded AS9644 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS9644\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 'AS9628 - AS9647'
as-block: AS9628 - AS9647
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 'AS9644'
% Abuse contact for 'AS9644' is 'irt@nic.or.kr'
aut-num: AS9644
as-name: SKTELECOM-NET-AS
descr: SK Telecom
country: KR
admin-c: AM752-AP
tech-c: AM752-AP
import: from AS3786
action pref=90;
accept ANY
import: from AS4766
action pref=100;
accept ANY
export: to AS3786
announce AS9644
export: to AS4766
announce AS9644
mnt-by: MNT-KRNIC-AP
mnt-irt: IRT-KRNIC-KR
last-modified: 2018-11-30T06:08:01Z
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 Eulji-ro 65
country: KR
phone: +82-2-1599-0011
e-mail: sktsec@sk.com
nic-hdl: AM752-AP
mnt-by: MNT-KRNIC-AP
last-modified: 2018-11-30T06:08:02Z
source: APNIC
% Information related to 'AS9644'
aut-num: AS9644
as-name: SKTELECOM-NET-AS-KR
descr: SK Telecom
country: KR
import: from AS4766 action pref=100 accept ANY
import: from AS3786 action pref=90 accept ANY
export: to AS4766 announce AS9644
export: to AS3786 announce AS9644
admin-c: YY124-KR
tech-c: 124-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 Eulji-ro 65
address: T tower
country: KR
phone: +82-2-1599-0011
e-mail: sktsec@sk.com
nic-hdl: 124-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: Seoul Jung-gu Eulji-ro 65
address: T tower
country: KR
phone: +82-2-1599-0011
e-mail: sktsec@sk.com
nic-hdl: YY124-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)