AS Number
AS9947
AS Name
KTC-AS-KR
Org Name
kt cloud Co., Ltd
Registry

apnic

RegDate

N/A

Updated

2025-01-13T05:08:03Z

AS9947 Looking Glass
IPv4Prefixes

3

IPv6Prefixes

1

IPv4 NUMs

1,024

IPv6 NUMs(/64)

4,294,967,296

1,024 IPv4 Addresses
CIDR Description IP Num
61.100.71.0/24 SEJONG SEJONG NETWORKS 256
61.100.72.0/24 SEJONG SEJONG NETWORKS 256
163.223.94.0/23 KTCLOUD-NET kt cloud Co., Ltd 512
CIDR Description IP NUMs(prefix /64)
2401:f560::/32 KTCLOUD-NET kt cloud Co., Ltd 4294967296
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS4766 KIXS-AS-KR - Korea Telecom, KR Republic of Korea 47,200,640 30,071,848,960 IPv4 IPv4 IPv6 IPv6
AS9848 SejongTelecom-AS-KR - SEJONG NETWORKS, KR Republic of Korea 990,720 8,589,934,592 IPv4 IPv4
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:       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



aut-num:        AS9947
as-name:        KTC-AS-KR
descr:          kt cloud Co., Ltd
country:        KR
admin-c:        AM4088-AP
tech-c:         AM4088-AP
import:         from AS9848
                action pref=100;
                accept ANY
import:         from AS9952
                action pref=100;
                accept ANY
export:         to AS9848
                announce AS9947
export:         to AS9952
                announce AS9947
mnt-by:         MNT-KRNIC-AP
mnt-irt:        IRT-KRNIC-KR
last-modified:  2025-01-13T05:08:03Z
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:  2025-04-10T04:49:23Z
source:         APNIC

person:         AS Manager
address:        343 Hakdong-ro, Gangnam-gu, Seoul
country:        KR
phone:          +82-2-2680-1144
e-mail:         dc.nw@kt.com
nic-hdl:        AM4088-AP
mnt-by:         MNT-KRNIC-AP
last-modified:  2025-03-21T00:34:02Z
source:         APNIC


aut-num:        AS9947
as-name:        KTC-AS-KR-KR
descr:          kt cloud Co., Ltd
country:        KR
import:         from 9848 action pref=100 accept ANY
import:         from 9952 action pref=100 accept ANY
export:         to 9848 announce NEW
export:         to 9952 announce NEW
admin-c:        AM9142-KR
tech-c:         AM9142-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:        343 Hakdong-ro, Gangnam-gu, Seoul
address:        15th kt cloud
country:        KR
phone:          +82-2-2680-1144
e-mail:         dc.nw@kt.com
nic-hdl:        AM9142-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