AS Number
AS38123
AS Name
AMCSEOUL-AS-KR
Org Name
asan medical center
Country / Region
Republic of Korea
Registry

apnic

RegDate

Updated

2009-09-29T06:04:16Z

AS38123 Looking Glass
IPv4Prefixes

8

IPv6Prefixes

0

IPv4 NUMs

2,048

IPv6 NUMs(/64)

0

CIDR Description IP Num
1.233.2.0/24
IRR Valid
broadNnet-KR SK Broadband Co Ltd 256
210.122.170.0/24
IRR Valid
SEJONG SEJONG NETWORKS 256
210.122.171.0/24
IRR Valid
SEJONG SEJONG NETWORKS 256
210.122.172.0/24
IRR Valid
SEJONG SEJONG NETWORKS 256
210.122.173.0/24
IRR Valid
SEJONG SEJONG NETWORKS 256
211.109.239.0/24
IRR Valid
broadNnet SK Broadband Co Ltd 256
211.245.65.0/24
IRR Valid
broadNnet SK Broadband Co Ltd 256
211.245.254.0/24
IRR Valid
broadNnet SK Broadband Co Ltd 256
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS9318 SKB-AS - SK Broadband Co Ltd, KR Republic of Korea 15,286,784 12,884,967,424 IPv4 IPv4

Whois Record

as-block AS37888 - AS38911

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
2009-09-29T06:04:16Z
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
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
2026-08-26T00:40:00Z
source
APNIC

as-block AS38086 - AS38135

as-block
descr
KRNIC-ASBLOCK-AP
KRNIC
Korea Network Information Center
country
KR
admin-c
HM127-AP
tech-c
HM127-AP
remarks
Block of 50 AS numbers from AS23552to AS23601
for assignment to KRNIC members
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
2008-09-04T06:40:26Z
source
APNIC

person Host Master

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 AS38123

aut-num
as-name
AMCSEOUL-AS-KR
descr
asan medical center
country
KR
admin-c
AM1075-AP
tech-c
AM1075-AP
import
from AS9318
from AS9848
export
mnt-by
MNT-KRNIC-AP
mnt-irt
IRT-KRNIC-KR
last-modified
2020-11-24T00:04:05Z
source
APNIC
                action pref=1;
                accept ANY
                action pref=1;
                accept ANY
                announce AS38123
                announce AS38123

irt IRT-KRNIC-KR

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
2026-08-12T06:19:00Z
source
APNIC

person AS Manager

person
AS Manager
address
Seoul Songpa-gu Olympic-ro 43-gil 88
country
KR
phone
+82-2-3010-7575
e-mail
mailmaster@amc.seoul.kr
nic-hdl
AM1075-AP
mnt-by
MNT-KRNIC-AP
last-modified
2023-09-13T05:46:04Z
source
APNIC

aut-num AS38123

aut-num
as-name
AMCSEOUL-AS-KR-KR
descr
asan medical center
country
KR
import
from 9318 action pref=1 accept ANY
from 9848 action pref=1 accept ANY
export
to 9318 announce NEW
to 9848 announce NEW
admin-c
KH5025-KR
tech-c
KH5025-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
Seoul Songpa-gu Olympic-ro 43-gil 88
country
KR
phone
+82-2-3010-7575
e-mail
mailmaster@amc.seoul.kr
nic-hdl
KH5025-KR
mnt-by
MNT-KRNIC-AP
changed
hostmaster@nic.or.kr 20240912
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:       AS37888 - AS38911
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:  2009-09-29T06:04:16Z
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:         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:  2026-08-26T00:40:00Z
source:         APNIC


as-block:       AS38086 - AS38135
descr:          KRNIC-ASBLOCK-AP
descr:          KRNIC
descr:          Korea Network Information Center
country:        KR
admin-c:        HM127-AP
tech-c:         HM127-AP
remarks:        Block of 50 AS numbers from AS23552to AS23601
remarks:        for assignment to KRNIC members
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:  2008-09-04T06:40:26Z
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:        AS38123
as-name:        AMCSEOUL-AS-KR
descr:          asan medical center
country:        KR
admin-c:        AM1075-AP
tech-c:         AM1075-AP
import:         from AS9318
                action pref=1;
                accept ANY
import:         from AS9848
                action pref=1;
                accept ANY
export:         to AS9318
                announce AS38123
export:         to AS9848
                announce AS38123
mnt-by:         MNT-KRNIC-AP
mnt-irt:        IRT-KRNIC-KR
last-modified:  2020-11-24T00:04:05Z
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:  2026-08-12T06:19:00Z
source:         APNIC

person:         AS Manager
address:        Seoul Songpa-gu Olympic-ro 43-gil 88
country:        KR
phone:          +82-2-3010-7575
e-mail:         mailmaster@amc.seoul.kr
nic-hdl:        AM1075-AP
mnt-by:         MNT-KRNIC-AP
last-modified:  2023-09-13T05:46:04Z
source:         APNIC


aut-num:        AS38123
as-name:        AMCSEOUL-AS-KR-KR
descr:          asan medical center
country:        KR
import:         from 9318 action pref=1 accept ANY
import:         from 9848 action pref=1 accept ANY
export:         to 9318 announce NEW
export:         to 9848 announce NEW
admin-c:        KH5025-KR
tech-c:         KH5025-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 Songpa-gu Olympic-ro 43-gil 88
address:
country:        KR
phone:          +82-2-3010-7575
e-mail:         mailmaster@amc.seoul.kr
nic-hdl:        KH5025-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