AS Number
AS9644
AS Name
SKTELECOM-NET-AS
Org Name
SK Telecom
Country / Region
Republic of Korea
Registry

apnic

RegDate

Updated

2022-09-22T22:36:45Z

AS9644 Looking Glass
IPv4Prefixes

92

IPv6Prefixes

2

IPv4 NUMs

6,673,408

IPv6 NUMs(/64)

8,589,934,592

6,673,408 IPv4 Addresses
CIDR Description IP Num
27.160.0.0/13
IRR Parent Valid
SK-TELECOM-NET SK Telecom 524288
27.160.0.0/12
IRR Valid
SK-TELECOM-NET SK Telecom 1048576
27.168.0.0/13
IRR Parent Valid
SK-TELECOM-NET SK Telecom 524288
27.176.0.0/14
IRR Parent Valid
SK-TELECOM-NET SK Telecom 262144
27.176.0.0/13
IRR Valid
SK-TELECOM-NET SK Telecom 524288
27.180.0.0/14
IRR Parent Valid
SK-TELECOM-NET SK Telecom 262144
42.16.0.0/13
IRR Parent Valid
SK-TELECOM-NET SK Telecom 524288
42.16.0.0/12
IRR Valid
SK-TELECOM-NET SK Telecom 1048576
42.24.0.0/13
IRR Parent Valid
SK-TELECOM-NET SK Telecom 524288
42.32.0.0/13
IRR Parent Valid
SK-TELECOM-NET SK Telecom 524288
42.32.0.0/12
IRR Valid
SK-TELECOM-NET SK Telecom 1048576
42.40.0.0/13
IRR Parent Valid
SK-TELECOM-NET SK Telecom 524288
61.250.0.0/19
IRR InValid
SK-TELECOM-NET SK Telecom 8192
61.250.0.0/18
IRR InValid
SK-TELECOM-NET SK Telecom 16384
61.250.32.0/19
IRR Parent Valid
SK-TELECOM-NET SK Telecom 8192
111.218.0.0/17
IRR InValid
SK-TELECOM-NET SK Telecom 32768
111.218.0.0/16
IRR InValid
SK-TELECOM-NET SK Telecom 65536
111.218.0.0/15
IRR InValid
SK-TELECOM-NET SK Telecom 131072
111.218.64.0/21
IRR InValid
SK-TELECOM-NET SK Telecom 2048
111.218.128.0/17
IRR InValid
SK-TELECOM-NET SK Telecom 32768
111.219.0.0/16
IRR Parent Valid
SK-TELECOM-NET SK Telecom 65536
113.216.0.0/16
IRR Parent Valid
65536
113.216.0.0/15
IRR Valid
SK-TELECOM-NET SK Telecom 131072
113.217.0.0/16
IRR Parent Valid
SK-TELECOM-NET SK Telecom 65536
123.228.0.0/16
IRR Parent Valid
SK-TELECOM-NET SK Telecom 65536
123.228.0.0/15
IRR Valid
SK-TELECOM-NET SK Telecom 131072
123.229.0.0/16
IRR Valid
SK-TELECOM-NET SK Telecom 65536
180.132.0.0/15
IRR Parent Valid
SK-TELECOM-NET SK Telecom 131072
180.132.0.0/14
IRR Valid
SK-TELECOM-NET SK Telecom 262144
180.134.0.0/15
IRR Parent Valid
SK-TELECOM-NET SK Telecom 131072
203.226.192.0/20
IRR Parent Valid
SK-TELECOM-NET SK Telecom 4096
203.226.192.0/19
IRR Valid
SK-TELECOM-NET SK Telecom 8192
203.226.208.0/20
IRR Parent Valid
SK-TELECOM-NET SK Telecom 4096
203.226.224.0/21
IRR Parent Valid
SK-TELECOM-NET SK Telecom 2048
203.226.224.0/20
IRR Valid
SK-TELECOM-NET SK Telecom 4096
203.226.232.0/21
IRR Parent Valid
SK-TELECOM-NET SK Telecom 2048
203.226.240.0/22
IRR Parent Valid
SK-TELECOM-NET SK Telecom 1024
203.226.240.0/21
IRR Valid
SK-TELECOM-NET SK Telecom 2048
203.226.244.0/22
IRR Parent Valid
SK-TELECOM-NET SK Telecom 1024
203.226.248.0/23
IRR Parent Valid
SK-TELECOM-NET SK Telecom 512
203.226.248.0/22
IRR Valid
SK-TELECOM-NET SK Telecom 1024
203.226.250.0/23
IRR Parent Valid
SK-TELECOM-NET SK Telecom 512
203.236.0.0/20
IRR Parent Valid
SK-TELECOM-NET SK Telecom 4096
203.236.0.0/19
IRR Valid
SK-TELECOM-NET SK Telecom 8192
203.236.16.0/20
IRR Parent Valid
SK-TELECOM-NET SK Telecom 4096
203.236.32.0/22
IRR Parent Valid
SK-TELECOM-NET SK Telecom 1024
203.236.32.0/21
IRR Valid
SK-TELECOM-NET SK Telecom 2048
203.236.36.0/22
IRR Parent Valid
SK-TELECOM-NET SK Telecom 1024
203.236.40.0/23
IRR Parent Valid
SK-TELECOM-NET SK Telecom 512
203.236.40.0/22
IRR Valid
SK-TELECOM-NET SK Telecom 1024
203.236.42.0/23
IRR Parent Valid
SK-TELECOM-NET SK Telecom 512
211.111.176.0/21
IRR Parent Valid
SK-TELECOM-NET SK Telecom 2048
211.111.176.0/20
IRR Valid
SK-TELECOM-NET SK Telecom 4096
211.111.184.0/24
IRR Parent Valid
SK-TELECOM-NET SK Telecom 256
211.111.184.0/21
IRR Parent Valid
SK-TELECOM-NET SK Telecom 2048
211.111.185.0/24
IRR Parent Valid
SK-TELECOM-NET SK Telecom 256
211.115.0.0/20
IRR InValid
SK-TELECOM-NET SK Telecom 4096
211.115.0.0/19
IRR InValid
SK-TELECOM-NET SK Telecom 8192
211.115.16.0/20
IRR InValid
SK-TELECOM-NET SK Telecom 4096
211.188.128.0/18
IRR Parent Valid
SK-TELECOM-NET SK Telecom 16384
211.188.128.0/17
IRR Valid
SK-TELECOM-NET SK Telecom 32768
211.188.192.0/18
IRR Parent Valid
SK-TELECOM-NET SK Telecom 16384
211.234.128.0/19
IRR Parent Valid
SK-TELECOM-NET SK Telecom 8192
211.234.128.0/18
IRR Valid
SK-TELECOM-NET SK Telecom 16384
211.234.160.0/19
IRR Parent Valid
SK-TELECOM-NET SK Telecom 8192
211.234.192.0/20
IRR Parent Valid
SK-TELECOM-NET SK Telecom 4096
211.234.192.0/19
IRR Valid
SK-TELECOM-NET SK Telecom 8192
211.234.208.0/20
IRR Parent Valid
SK-TELECOM-NET SK Telecom 4096
211.234.224.0/21
IRR InValid
SK-TELECOM-NET SK Telecom 2048
211.234.224.0/20
IRR InValid
SK-TELECOM-NET SK Telecom 4096
211.234.232.0/21
IRR InValid
SK-TELECOM-NET SK Telecom 2048
211.234.244.0/23
IRR Parent Valid
SK-TELECOM-NET SK Telecom 512
211.234.244.0/22
IRR Valid
SK-TELECOM-NET SK Telecom 1024
211.234.246.0/23
IRR Parent Valid
SK-TELECOM-NET SK Telecom 512
211.234.248.0/22
IRR Parent Valid
SK-TELECOM-NET SK Telecom 1024
211.234.248.0/21
IRR Valid
SK-TELECOM-NET SK Telecom 2048
211.234.252.0/22
IRR Parent Valid
SK-TELECOM-NET SK Telecom 1024
211.235.64.0/19
IRR Valid
SK-TELECOM-NET SK Telecom 8192
211.235.64.0/18
IRR InValid
SK-TELECOM-NET SK Telecom 16384
211.235.96.0/19
IRR Valid
SK-TELECOM-NET SK Telecom 8192
211.235.128.0/19
IRR Valid
SK-TELECOM-NET SK Telecom 8192
211.235.128.0/18
IRR InValid
SK-TELECOM-NET SK Telecom 16384
211.235.160.0/19
IRR Valid
SK-TELECOM-NET SK Telecom 8192
211.240.128.0/18
IRR Parent Valid
SK-TELECOM-NET SK Telecom 16384
211.240.128.0/17
IRR Valid
SK-TELECOM-NET SK Telecom 32768
211.240.192.0/18
IRR Parent Valid
SK-TELECOM-NET SK Telecom 16384
220.103.0.0/17
IRR Valid
SK-TELECOM-NET SK Telecom 32768
220.103.0.0/16
IRR InValid
SK-TELECOM-NET SK Telecom 65536
220.103.128.0/17
IRR Parent Valid
SK-TELECOM-NET SK Telecom 32768
223.32.0.0/12
IRR InValid
SK-TELECOM-NET SK Telecom 1048576
223.32.0.0/11
IRR InValid
SK-TELECOM-NET SK Telecom 2097152
223.48.0.0/12
IRR InValid
SK-TELECOM-NET SK Telecom 1048576
CIDR Description IP NUMs(prefix /64)
2001:2d8::/32
IRR Valid
SK-TELECOM-NET SK Telecom 4294967296
2001:f28::/32
IRR Valid
SK-TELECOM-NET SK Telecom 4294967296
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS9286 KINXIDC-AS-KR - KINX, KR Republic of Korea 284,928 262,144 IPv4 IPv4
AS9318 SKB-AS - SK Broadband Co Ltd, KR Republic of Korea 15,284,224 12,884,967,424 IPv4 IPv4 IPv6 IPv6
IP Address Domain NUMs Domains
27.160.19.18 1 seokpo78km300.ddns.net
27.162.110.178 1 mail.silvers-sherif.cloud
27.163.109.218 3 qs663.com
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


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



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:        Jeollanam-do Naju-si Jinheung-gil
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:  2021-06-15T06:21:49Z
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


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
changed:        hostmaster@nic.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
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
source:         KRNIC