AS Number
AS23600
AS Name
GDNSKR-KR
Org Name
Korea Internet Security Agency
Country / Region
Republic of Korea
Registry

apnic

RegDate

Updated

2008-09-04T06:40:26Z

AS23600 Looking Glass
IPv4Prefixes

16

IPv6Prefixes

5

IPv4 NUMs

4,096

IPv6 NUMs(/64)

327,680

CIDR Description IP Num
1.18.132.0/24
IRR Valid
KRNIC-NET-KR Korea Internet Security Agency 256
1.18.133.0/24
IRR Valid
KRNIC-NET-KR Korea Internet Security Agency 256
1.18.134.0/24
IRR Valid
KRNIC-NET-KR Korea Internet Security Agency 256
1.18.135.0/24
IRR Valid
KRNIC-NET-KR Korea Internet Security Agency 256
39.125.192.0/24
IRR InValid
broadNnet SK Broadband Co Ltd 256
39.125.228.0/24
IRR InValid
broadNnet SK Broadband Co Ltd 256
39.125.244.0/24
IRR InValid
broadNnet SK Broadband Co Ltd 256
39.127.249.0/24
IRR Valid
broadNnet SK Broadband Co Ltd 256
58.235.102.0/24
IRR Valid
broadNnet SK Broadband Co Ltd 256
202.30.45.0/24
IRR Valid
KRNIC-NET Korea Internet Security Agency 256
202.31.188.0/24
IRR Valid
KRNIC-NET Korea Internet Security Agency 256
202.31.190.0/24
IRR Valid
KRNIC-NET Korea Internet Security Agency 256
203.83.158.0/24
IRR Valid
KRNIC-NET Korea Internet Security Agency 256
219.251.142.0/24
IRR Valid
broadNnet SK Broadband Co Ltd 256
219.251.156.0/24
IRR Valid
broadNnet SK Broadband Co Ltd 256
221.139.191.0/24
IRR Valid
broadNnet-KR SK Broadband Co Ltd 256
CIDR Description IP NUMs(prefix /64)
2001:dc5:a::/48
IRR Valid
KRNIC-NET Korea Internet Security Agency 65536
2001:dcc:700::/48
IRR Valid
KRNIC-NET Korea Internet Security Agency 65536
2001:dcc:702::/48
IRR Valid
KRNIC-NET Korea Internet Security Agency 65536
2001:dcc:703::/48
IRR Valid
KRNIC-NET Korea Internet Security Agency 65536
2001:dcc:1000::/48
IRR Valid
KRNIC-NET Korea Internet Security Agency 65536
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 IPv6 IPv6
AS8763 DENIC-AS - DENIC eG, DE Germany 4,096 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS9318 SKB-AS - SK Broadband Co Ltd, KR Republic of Korea 15,286,784 12,884,967,424 IPv4 IPv4 IPv6 IPv6
AS9858 KRNICNET - Korea Internet Security Agency, KR Republic of Korea 4,864 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS14650 NĂșcleo de Inf. e Coord. do Ponto BR - NIC.BR, BR Brazil 512 131,072 IPv4 IPv4 IPv6 IPv6
AS24151 CNNIC-CRITICAL-AP - China Internet Network Infomation Center, CN China 16,128 4,294,967,296 IPv4 IPv4 IPv6 IPv6

Whois Record

as-block AS23552 - AS23601

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

as-block AS23552 - AS24575

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
AS23889 has been transfered to AfriNIC
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

aut-num AS23600

aut-num
as-name
GDNSKR-KR
descr
Korea Internet Security Agency
country
KR
admin-c
AM2073-AP
tech-c
AM2073-AP
import
from AS3786
from AS9318
from AS9457
from AS9700
export
mnt-by
MNT-KRNIC-AP
mnt-irt
IRT-KRNIC-KR
last-modified
2024-07-02T00:52:05Z
source
APNIC
                action pref=10;
                accept ANY
                action pref=10;
                accept ANY
                action pref=10;
                accept ANY
                action pref=10;
                accept ANY
                announce AS23600
                announce AS23600
                announce AS23600
                announce AS23600

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
9 Jinheung-gil, Naju-si, Jeonnam-Gwangju
country
KR
phone
+82-2-405-5118
e-mail
hostmaster@nic.or.kr
nic-hdl
AM2073-AP
mnt-by
MNT-KRNIC-AP
last-modified
2026-07-01T00:38:04Z
source
APNIC

aut-num AS23600

aut-num
as-name
GDNSKR-KR-KR
descr
Korea Internet Security Agency
country
KR
import
from AS9457 action pref=10 accept ANY
from AS9318 action pref=10 accept ANY
from AS3786 action pref=10 accept ANY
from AS9700 action pref=10 accept ANY
export
to AS9457 announce NEW
to AS9318 announce NEW
to AS3786 announce NEW
to AS9700 announce NEW
admin-c
A544-KR
tech-c
A544-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

as-block:       AS23552 - AS23601
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


as-block:       AS23552 - AS24575
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
remarks:        AS23889 has been transfered to AfriNIC
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



aut-num:        AS23600
as-name:        GDNSKR-KR
descr:          Korea Internet Security Agency
country:        KR
admin-c:        AM2073-AP
tech-c:         AM2073-AP
import:         from AS3786
                action pref=10;
                accept ANY
import:         from AS9318
                action pref=10;
                accept ANY
import:         from AS9457
                action pref=10;
                accept ANY
import:         from AS9700
                action pref=10;
                accept ANY
export:         to AS3786
                announce AS23600
export:         to AS9318
                announce AS23600
export:         to AS9457
                announce AS23600
export:         to AS9700
                announce AS23600
mnt-by:         MNT-KRNIC-AP
mnt-irt:        IRT-KRNIC-KR
last-modified:  2024-07-02T00:52:05Z
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:        9 Jinheung-gil, Naju-si, Jeonnam-Gwangju
country:        KR
phone:          +82-2-405-5118
e-mail:         hostmaster@nic.or.kr
nic-hdl:        AM2073-AP
mnt-by:         MNT-KRNIC-AP
last-modified:  2026-07-01T00:38:04Z
source:         APNIC


aut-num:        AS23600
as-name:        GDNSKR-KR-KR
descr:          Korea Internet Security Agency
country:        KR
import:         from AS9457 action pref=10 accept ANY
import:         from AS9318 action pref=10 accept ANY
import:         from AS3786 action pref=10 accept ANY
import:         from AS9700 action pref=10 accept ANY
export:         to AS9457 announce NEW
export:         to AS9318 announce NEW
export:         to AS3786 announce NEW
export:         to AS9700 announce NEW
admin-c:        A544-KR
tech-c:         A544-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