AS9947 - KTC-AS-KR - kt cloud Co., Ltd, KR

Republic of Korea
AS Number
AS9947
AS Name
KTC-AS-KR
Org Name
kt cloud Co., Ltd
Country / Region
Republic of Korea
Registry

apnic

RegDate

Updated

2022-09-22T22:36:45Z

AS9947 Looking Glass
IPv4Prefixes

2

IPv6Prefixes

0

IPv4 NUMs

512

IPv6 NUMs(/64)

0

CIDR Description IP Num
61.100.71.0/24
IRR InValid
SEJONG-KR SEJONG NETWORKS 256
61.100.72.0/24
IRR InValid
SEJONG-KR SEJONG NETWORKS 256
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS4766 KIXS-AS-KR - Korea Telecom, KR Republic of Korea 47,210,240 17,592,186,044,416 IPv4 IPv4
AS9848 SejongTelecom-AS-KR - SEJONG NETWORKS, KR Republic of Korea 990,720 8,589,934,592 IPv4 IPv4

Peers at this Exchange Point

Country / Region IX IPv4 IPv6 Port Speed Updated
Republic of Korea KOIX - KOrea Internet eXchange 163.223.94.2 2401:f560::2 10 Gbps 2025-09-02 04:15:42
Republic of Korea KOIX - KOrea Internet eXchange 163.223.94.1 2401:f560::1 10 Gbps 2025-09-02 04:15:42

Private Peering Facilities

Country / Region Name City Website Updated
kt cloud Mokdong(MD2) Yangcheon-gu https://www.kt-idc.com/viewindexPage 2025-07-14 03:36:48
kt cloud Mokdong(MD1) Yangcheon-gu https://www.kt-idc.com/viewindexPage 2025-07-14 03:36:48
kt cloud Gangnam Gangnam-gu https://www.kt-idc.com/viewindexPage 2025-07-14 03:36:48
kt cloud Bundang Seongnam https://www.kt-idc.com/viewindexPage 2025-07-14 03:36:48
kt cloud Yeouido Yeongdeungpo-Gu https://www.kt-idc.com/viewindexPage 2025-07-14 03:36:48
Digital Realty ICN10 - Seoul Mapo-gu https://www.digitalrealty.com 2025-07-14 03:36:48
LG CNS Sangam Seoul http://www.lgcns.com 2025-07-14 03:36:48
kt cloud Gasan Geumcheon-gu https://www.kt-idc.com/viewindexPage 2025-08-31 23:20:33

Whois Record

as-block AS9249 - AS10239

as-block
descr
APNIC ASN block
remarks
These AS numbers are further assigned by APNIC
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

role
APNIC Hostmaster
address
PO Box 3646
South Brisbane
QLD 4101
country
AU
phone
+61 7 3858 3100
fax-no
+61 7 3858 3199
e-mail
admin-c
AMS11-AP
tech-c
AH256-AP
nic-hdl
HM20-AP
remarks
Administrator for APNIC
notify
mnt-by
MAINT-APNIC-AP
last-modified
2026-08-26T00:40:00Z
source
APNIC

as-block AS9943 - AS9982

as-block
descr
KRNIC-ASBLOCK-AP
KRNIC
Korea Network Information Center
country
KR
admin-c
HM127-AP
tech-c
HM127-AP
remarks
Authoritative information regarding AS Number
assignments made from within this block can also be
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

person
Host Master
address
Jeollanam-do Naju-si Jinheung-gil
country
KR
phone
+82-2-405-5118
e-mail
nic-hdl
HM127-AP
mnt-by
MNT-KRNIC-AP
last-modified
2019-05-22T01:20:31Z
source
APNIC

aut-num AS9947

aut-num
as-name
KTC-AS-KR
descr
kt cloud Co., Ltd
country
KR
admin-c
AM4088-AP
tech-c
AM4088-AP
import
from AS4766
from AS9848
export
mnt-by
MNT-KRNIC-AP
mnt-irt
IRT-KRNIC-KR
last-modified
2025-05-14T01:58:03Z
source
APNIC
 
                action pref=100;
                accept ANY
                action pref=100;
                accept ANY
                announce AS9947
                announce AS9947

irt IRT-KRNIC-KR

irt
IRT-KRNIC-KR
address
9, Jinheung-gil, Naju-si, Jeollanam-do
e-mail
abuse-mailbox
admin-c
IM574-AP
tech-c
IM574-AP
auth
# Filtered
remarks
[email protected] was validated on 2020-04-09
mnt-by
MNT-KRNIC-AP
last-modified
2026-08-12T06:19:00Z
source
APNIC

person AS Manager

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

aut-num AS9947

aut-num
as-name
KTC-AS-KR-KR
descr
kt cloud Co., Ltd
country
KR
import
from 9848 action pref=100 accept ANY
from 4766 action pref=100 accept ANY
export
to 9848 announce NEW
to 4766 announce AS9947
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
KRNIC. To obtain more specific information, please use the
KRNIC whois server at whois.kisa.or.kr.
source
KRNIC

person AS Manager

person
AS Manager
address
343 Hakdong-ro, Gangnam-gu, Seoul
15th kt cloud
country
KR
phone
+82-2-2680-1144
e-mail
nic-hdl
AM9142-KR
mnt-by
MNT-KRNIC-AP
remarks
This information has been partially mirrored by APNIC from
KRNIC. To obtain more specific information, please use the
KRNIC whois server at whois.kisa.or.kr.
source
KRNIC
 

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:        PO Box 3646
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:  2026-08-26T00:40:00Z
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:         [email protected]
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 AS4766
                action pref=100;
                accept ANY
import:         from AS9848
                action pref=100;
                accept ANY
export:         to AS4766
                announce AS9947
export:         to AS9848
                announce AS9947
mnt-by:         MNT-KRNIC-AP
mnt-irt:        IRT-KRNIC-KR
last-modified:  2025-05-14T01:58:03Z
source:         APNIC

irt:            IRT-KRNIC-KR
address:        9, Jinheung-gil, Naju-si, Jeollanam-do
e-mail:         [email protected]
abuse-mailbox:  [email protected]
admin-c:        IM574-AP
tech-c:         IM574-AP
auth:           # Filtered
remarks:        [email protected] was validated on 2020-04-09
mnt-by:         MNT-KRNIC-AP
last-modified:  2026-08-12T06:19:00Z
source:         APNIC

person:         AS Manager
address:        343 Hakdong-ro, Gangnam-gu, Seoul
country:        KR
phone:          +82-2-2680-1144
e-mail:         [email protected]
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 4766 action pref=100 accept ANY
export:         to 9848 announce NEW
export:         to 4766 announce AS9947
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:         [email protected]
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