AS Name Org Name IPv4Prefixes IPv6Prefixes IPv4 NUMs IPv6 NUMs(/64) Registry Region Looking Glass
SKTELECOM-NET-AS SK Telecom 131 2 6,542,336 8,589,934,592 Republic of Korea
6,542,336 IPv4 Addresses
CIDR Description IP Num
27.160.0.0/13 SK-TELECOM-NET SK Telecom 524288
27.160.0.0/12 SK-TELECOM-NET SK Telecom 1048576
27.168.0.0/13 SK-TELECOM-NET SK Telecom 524288
27.176.0.0/14 262144
27.176.0.0/13 SK-TELECOM-NET SK Telecom 524288
27.180.0.0/14 262144
42.16.0.0/13 SK-TELECOM-NET SK Telecom 524288
42.16.0.0/12 SK-TELECOM-NET SK Telecom 1048576
42.24.0.0/13 SK-TELECOM-NET SK Telecom 524288
42.32.0.0/13 524288
42.32.0.0/12 SK-TELECOM-NET SK Telecom 1048576
42.40.0.0/13 524288
61.250.0.0/19 SK-TELECOM-NET SK Telecom 8192
61.250.0.0/18 SK-TELECOM-NET SK Telecom 16384
61.250.32.0/19 SK-TELECOM-NET SK Telecom 8192
113.216.0.0/16 SK-TELECOM-NET SK Telecom 65536
113.216.0.0/15 SK-TELECOM-NET SK Telecom 131072
113.217.0.0/16 SK-TELECOM-NET SK Telecom 65536
123.228.0.0/16 SK-TELECOM-NET SK Telecom 65536
123.228.0.0/15 SK-TELECOM-NET SK Telecom 131072
123.229.0.0/16 SK-TELECOM-NET SK Telecom 65536
180.132.0.0/15 SK-TELECOM-NET SK Telecom 131072
180.132.0.0/14 SK-TELECOM-NET SK Telecom 262144
180.134.0.0/15 SK-TELECOM-NET SK Telecom 131072
203.226.192.0/20 SK-TELECOM-NET SK Telecom 4096
203.226.192.0/19 SK-TELECOM-NET SK Telecom 8192
203.226.208.0/20 SK-TELECOM-NET SK Telecom 4096
203.226.224.0/21 SK-TELECOM-NET SK Telecom 2048
203.226.224.0/20 SK-TELECOM-NET SK Telecom 4096
203.226.232.0/21 SK-TELECOM-NET SK Telecom 2048
203.226.240.0/22 SK-TELECOM-NET SK Telecom 1024
203.226.240.0/21 SK-TELECOM-NET SK Telecom 2048
203.226.244.0/22 SK-TELECOM-NET SK Telecom 1024
203.226.248.0/23 SK-TELECOM-NET SK Telecom 512
203.226.248.0/22 SK-TELECOM-NET SK Telecom 1024
203.226.250.0/23 SK-TELECOM-NET SK Telecom 512
203.236.0.0/20 SK-TELECOM-NET SK Telecom 4096
203.236.0.0/19 SK-TELECOM-NET SK Telecom 8192
203.236.16.0/20 SK-TELECOM-NET SK Telecom 4096
203.236.32.0/22 SK-TELECOM-NET SK Telecom 1024
203.236.32.0/21 SK-TELECOM-NET SK Telecom 2048
203.236.36.0/22 SK-TELECOM-NET SK Telecom 1024
203.236.40.0/23 SK-TELECOM-NET SK Telecom 512
203.236.40.0/22 SK-TELECOM-NET SK Telecom 1024
203.236.42.0/23 SK-TELECOM-NET SK Telecom 512
211.111.176.0/21 SK-TELECOM-NET SK Telecom 2048
211.111.176.0/20 SK-TELECOM-NET SK Telecom 4096
211.111.184.0/21 SK-TELECOM-NET SK Telecom 2048
211.115.0.0/20 SK-TELECOM-NET SK Telecom 4096
211.115.0.0/19 SK-TELECOM-NET SK Telecom 8192
211.115.16.0/20 SK-TELECOM-NET SK Telecom 4096
211.188.128.0/18 SK-TELECOM-NET SK Telecom 16384
211.188.128.0/17 SK-TELECOM-NET SK Telecom 32768
211.188.192.0/18 SK-TELECOM-NET SK Telecom 16384
211.234.128.0/19 SK-TELECOM-NET SK Telecom 8192
211.234.128.0/18 SK-TELECOM-NET SK Telecom 16384
211.234.160.0/19 SK-TELECOM-NET SK Telecom 8192
211.234.192.0/20 SK-TELECOM-NET SK Telecom 4096
211.234.192.0/19 SK-TELECOM-NET SK Telecom 8192
211.234.208.0/20 SK-TELECOM-NET SK Telecom 4096
211.234.224.0/21 SK-TELECOM-NET SK Telecom 2048
211.234.224.0/20 SK-TELECOM-NET SK Telecom 4096
211.234.232.0/21 SK-TELECOM-NET SK Telecom 2048
211.234.244.0/23 SK-TELECOM-NET SK Telecom 512
211.234.244.0/22 SK-TELECOM-NET SK Telecom 1024
211.234.246.0/23 SK-TELECOM-NET SK Telecom 512
211.234.248.0/22 SK-TELECOM-NET SK Telecom 1024
211.234.248.0/21 SK-TELECOM-NET SK Telecom 2048
211.234.252.0/22 SK-TELECOM-NET SK Telecom 1024
211.235.64.0/19 SK-TELECOM-NET SK Telecom 8192
211.235.64.0/18 SK-TELECOM-NET SK Telecom 16384
211.235.96.0/19 SK-TELECOM-NET SK Telecom 8192
211.235.128.0/19 SK-TELECOM-NET SK Telecom 8192
211.235.128.0/18 SK-TELECOM-NET SK Telecom 16384
211.235.160.0/19 SK-TELECOM-NET SK Telecom 8192
211.240.128.0/18 SK-TELECOM-NET SK Telecom 16384
211.240.128.0/17 SK-TELECOM-NET SK Telecom 32768
211.240.192.0/18 SK-TELECOM-NET SK Telecom 16384
220.103.0.0/17 SK-TELECOM-NET SK Telecom 32768
220.103.0.0/16 SK-TELECOM-NET SK Telecom 65536
220.103.128.0/17 SK-TELECOM-NET SK Telecom 32768
223.32.0.0/13 SK-TELECOM-NET SK Telecom 524288
223.32.0.0/12 SK-TELECOM-NET SK Telecom 1048576
223.32.0.0/11 SK-TELECOM-NET SK Telecom 2097152
223.33.162.0/24 SK-TELECOM-NET SK Telecom 256
223.33.163.0/24 SK-TELECOM-NET SK Telecom 256
223.33.164.0/24 SK-TELECOM-NET SK Telecom 256
223.33.165.0/24 SK-TELECOM-NET SK Telecom 256
223.33.166.0/24 SK-TELECOM-NET SK Telecom 256
223.33.167.0/24 SK-TELECOM-NET SK Telecom 256
223.33.180.0/24 SK-TELECOM-NET SK Telecom 256
223.33.181.0/24 SK-TELECOM-NET SK Telecom 256
223.38.60.0/24 SK-TELECOM-NET SK Telecom 256
223.38.61.0/24 SK-TELECOM-NET SK Telecom 256
223.38.62.0/24 SK-TELECOM-NET SK Telecom 256
223.38.63.0/24 SK-TELECOM-NET SK Telecom 256
223.39.188.0/24 SK-TELECOM-NET SK Telecom 256
223.39.189.0/24 SK-TELECOM-NET SK Telecom 256
223.39.190.0/24 SK-TELECOM-NET SK Telecom 256
223.39.191.0/24 SK-TELECOM-NET SK Telecom 256
223.40.0.0/13 SK-TELECOM-NET SK Telecom 524288
223.45.16.0/22 SK-TELECOM-NET SK Telecom 1024
223.48.0.0/13 SK-TELECOM-NET SK Telecom 524288
223.48.0.0/12 SK-TELECOM-NET SK Telecom 1048576
223.56.0.0/15 SK-TELECOM-NET SK Telecom 131072
223.56.0.0/13 SK-TELECOM-NET SK Telecom 524288
223.58.0.0/15 SK-TELECOM-NET SK Telecom 131072
223.60.0.0/15 SK-TELECOM-NET SK Telecom 131072
223.62.0.0/15 SK-TELECOM-NET SK Telecom 131072
223.62.3.0/24 SK-TELECOM-NET SK Telecom 256
223.62.32.0/20 SK-TELECOM-NET SK Telecom 4096
223.62.48.0/20 SK-TELECOM-NET SK Telecom 4096
223.62.67.0/24 SK-TELECOM-NET SK Telecom 256
223.62.96.0/20 SK-TELECOM-NET SK Telecom 4096
223.62.112.0/20 SK-TELECOM-NET SK Telecom 4096
223.62.164.0/24 SK-TELECOM-NET SK Telecom 256
223.62.173.0/24 SK-TELECOM-NET SK Telecom 256
223.62.192.0/24 SK-TELECOM-NET SK Telecom 256
223.62.193.0/24 SK-TELECOM-NET SK Telecom 256
223.62.194.0/24 SK-TELECOM-NET SK Telecom 256
223.62.195.0/24 SK-TELECOM-NET SK Telecom 256
223.62.215.0/24 SK-TELECOM-NET SK Telecom 256
223.62.216.0/24 SK-TELECOM-NET SK Telecom 256
223.62.217.0/24 SK-TELECOM-NET SK Telecom 256
223.62.218.0/24 SK-TELECOM-NET SK Telecom 256
223.62.219.0/24 SK-TELECOM-NET SK Telecom 256
223.62.220.0/24 SK-TELECOM-NET SK Telecom 256
223.62.221.0/24 SK-TELECOM-NET SK Telecom 256
223.62.222.0/24 SK-TELECOM-NET SK Telecom 256
223.62.229.0/24 SK-TELECOM-NET SK Telecom 256
223.62.234.0/24 SK-TELECOM-NET SK Telecom 256
CIDR Description IP NUMs(prefix /64)
2001:2d8::/32 SK-TELECOM-NET SK Telecom 4294967296
2001:f28::/32 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 233,984 196,608 IPv4 IPv4
AS9318 SKB-AS - SK Broadband Co Ltd, KR Republic of Korea 14,675,968 8,590,000,128 IPv4 IPv4 IPv6 IPv6
IP Address Domain NUMs Domains
27.162.110.178 1 mail.silvers-sherif.cloud
27.163.185.161 1 i6zj70t33.tpcameron.com
27.164.88.152 1 ipd1fv6s05.tpcameron.com
27.166.103.166 1 luo.ideaustry.sg
as-block:       AS9216 - 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:  2009-05-19T07:00:23Z
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:         [email protected]
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
notify:         [email protected]
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:         [email protected]
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:         [email protected]
abuse-mailbox:  [email protected]
admin-c:        IM574-AP
tech-c:         IM574-AP
auth:           # Filtered
remarks:        [email protected] was validated on 2019-10-01
mnt-by:         MNT-KRNIC-AP
last-modified:  2019-10-01T08:41:39Z
source:         APNIC

person:         AS Manager
address:        Seoul Jung-gu Eulji-ro 65
country:        KR
phone:          +82-2-1599-0011
e-mail:         [email protected]
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:        [email protected]
source:         KRNIC

person:         AS Manager
address:        Seoul Jung-gu Eulji-ro 65
address:        T tower
country:        KR
phone:          +82-2-1599-0011
e-mail:         [email protected]
nic-hdl:        124-KR
mnt-by:         MNT-KRNIC-AP
changed:        [email protected]
source:         KRNIC

person:         AS Manager
address:        Seoul Jung-gu Eulji-ro 65
address:        T tower
country:        KR
phone:          +82-2-1599-0011
e-mail:         [email protected]
nic-hdl:        YY124-KR
mnt-by:         MNT-KRNIC-AP
changed:        [email protected]
source:         KRNIC